INTRODUZIONE (Page 1)effetto dell’accoppiamento flottante albero-disco. * ˇˇ $$˜˝)˛˚ˆ ˝...

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GENERAL CATALOG SBCSRL viaLeoneTolstoj,86 20098SanGiuliano Milanese MilanoItaly [email protected] [email protected] WEBSITEwww.sbcit.eu ISDN Tel.+390298.49.16.76 Fax+390298.49.17.12 ... LEAD SINCE 1986...... VALVES AND ACTUATORS....... ... LEAD SINCE 1986...... VALVES AND ACTUATORS....... sbc sbsbsb

Transcript of INTRODUZIONE (Page 1)effetto dell’accoppiamento flottante albero-disco. * ˇˇ $$˜˝)˛˚ˆ ˝...

Page 1: INTRODUZIONE (Page 1)effetto dell’accoppiamento flottante albero-disco. * ˇˇ $$˜˝)˛˚ˆ ˝ !˛ - disco esente da elementi di fissaggio (viti, bulloni, ecc.) che possono rappresentare

GENERALCATALOG

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��SBC�SRL�via�LeoneTolstoj,�86�20098�San�Giuliano�

Milanese�Milano�Italy�

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���������������������������e�mail���sbc@sbc�it.com���������������������������PEC����[email protected]��

����������������������WEB�SITE�www.sbc�it.eu ����

ISDN��Tel.�+39�02�98.49.16.76�

����������������Fax��+39�02�98.49.17.12�

... LEAD SINCE 1986...... VALVES AND ACTUATORS.......... LEAD SINCE 1986...... VALVES AND ACTUATORS.......

sbcsbsbsb

Page 2: INTRODUZIONE (Page 1)effetto dell’accoppiamento flottante albero-disco. * ˇˇ $$˜˝)˛˚ˆ ˝ !˛ - disco esente da elementi di fissaggio (viti, bulloni, ecc.) che possono rappresentare

����������� ����������

Create value for customers and suppliers, by growing in competencies and efficiency withflexible strategy, with firm commitment ended on due time, with monitored and costantlyimproved quality with respect of business ethics.Develope innovative and effective solution for the client with full respect of safety and quality.

���������� ���

Company was established in the 1986 by people with long experience in the oilfield drilling,production and subsea systems .Water treatment, particularly seawater reverse osmosis.

Since then we started a profitable cooperation with several major Italian Company developingball valves trunnion mounted API 6 A and API 6D certified PED construction and certificationATEX , Fire safe etc .

Special application Butterfly valves and metal to metal.

WHAT WE DO……

Managing engineering, managing manufacturing, sales and services of Ball valve API 6 A and6 D , Ped , ATEX Trunnion type and floating, Butterfly rubber lined, metal to metal and specialapplication, Pneumatic rotary actuators for quarter turn valves complete including accessories.

���������

� Ball valve API 6 D, API 6 A , NACE, FIRE SAFE, ATEX ,PED, Type Trunnion/Floating up to DN 32”.

� Gate valves ANSI type

� Butterfly valve up to DN 1000 rubber lined , metal to metal up to DN 24” and forspecial application.

� Check valves clapet and disc type.

� Pneumatic rack pinion actuators

� Needle valves up to 10.000 PSI WP

���������������������������� ���!"�#���$���"���$������� ��%������.

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... LEAD SINCE 1986...... VALVES AND ACTUATORS.......... LEAD SINCE 1986...... VALVES AND ACTUATORS.......

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����&����QUALITY

�'('�' srl ISO quality management consultants will guide you on how to implement and achieve iso 9000 / 9001, certificate for your company. To get your company ISO certified contact us .

Our consulting package for ISO 9001:2000 certification includes onsite or offsite consultancy, training, documentation, quality manual, procedures, forms, internal audit, shadow audit etc. to get your ISO certificate and increase your customer base and achieve sustainable competitive advantage in the market.

• HANDLING YOUR QUALITY SYSTEM ( DG , RQ )

�'('�'srl can offer on contact basis the QAM and the GM of your QM S.

This service is very important for those companies with limited personnel therefore impossibility of having dedicated and trained personnel. Thio will save money of extra personnel and training time to operative personnel mantaining the QMS to maximum efficiancy.

• Product certification ( PED , API 6 A , API 6 D)

Scope of our consultancy service on product certification: Advice you to prepare necessary documentation & prepare the complete application package for you to apply Marks & Certificates approval. Interface with authorities / certification bodies on your behalf providing your company with faster response, greater efficiency and shorter project turnaround time. Arrange your product to be tested at correct test standards and laboratories. Give you quotations on test/certification and give you positive advice on the right steps to take towards certification till certification obtained.

• TRAINING

We offer onsite courses for ISO 9001, Internal Auditor .and product certification training according to PED and API regulations. These courses can be customized as per the exact requirement of the organization so as to ensure maximum training effectiveness. Our training courses are free from geographical location and very economical and cost effective. Our ISO 9000 and the Auditor course are well accepted by the valve manufacturer .

• INSTALLATION

�'('�' srl include in the scope of supply the installation on site of valves and pumps, asssitance on final testing and certificaion.

���

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• MAINTANANCE

��)$)���������� Pumps are at the heart of your fluid transfer processes. We understands the importance of keeping them in perfect working order.

&��*�)����������Valves and their actuators are key assets in your business. Ensuring they work correctly is central to keeping your entire process flowing freely. Our package of services are tailored to keep you in total control of your process flow equipment.

��+����)����������In addition to on-site services covering fluid sealing, and pump, valve and flange maintenance, we also undertake the more general aspects of industrial plant maintenance.

���

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INTRODUZIONE

In generale, le valvole a farfalla a tenuta inelastomerostanno trovando sempre maggiore diffusione, grazie allaloro comprovata affidabilità ed ai molteplici vantaggi cheesse offrono rispetto alle valvole tradizionali. In particolare,le valvole a farfalla serie 301, trovano applicazionenei più svariati settori industriali, sia per intercettazione cheper regolazione di qualsiasi tipo di fluido.La sua particolare progettazione consente di soddisfare aquanto richiesto dalle industrie siderurgiche, navali, tessili,alimentari, chimiche, petrolchimiche, trattamento acque,tintorie, ecc. nonché nel settore impianti dicondizionamento e riscaldamento. Principali pregi dellevalvole a farfalla sono:-l'ingombro ed il peso particolarmente ridotto, che facilital'installazione sulla tubazione anche in quegli impianti dovegli spazi disponibili sono alquanto ristretti;-sede di tenuta in elastomero con anello metallico interno,che oltre ad assicurarne la stabilità geometrica edimensionale, ne facilita, in caso di rotture accidentalidovute ad interposizione di corpi estranei, la suasostituzione, senza richiedere l'intervento di personalespecializzato. Inoltre, la sede di tenuta protegge il corpovalvola dal fluido di passaggio, per cui esso può essere dimateriale non particolarmente pregiato e nello stessotempo, ricoprendo parzialmente i fianchi del corpo, dato ilprofilo particolare, permette di avere una valvola giàpronta al montaggio sulla tubazione, senza necessità diulteriori guarnizioni. L'otturatore autocentrante, dovutoall'accoppiamento flottante dello stesso sull'albero, di formalenticolare, rappresenta un ottimo mezzo per ridurre leperdite di carico attraverso la valvola e data la precisalavorazione del bordo, ne assicura, per interferenza con lasede in elastomero, la perfetta tenuta fino a 21,5 Bar e indepressione a 10 TORR, consentendo solo la perditadovuta alla permeabilità molecolare dell'elastomero. Inoltresull'otturatore non é presente alcun elemento di fissaggiocon l'albero, potenziale causa di inconvenienti e dicorrosione, per cui garantisce maggior sezione dipassaggio, basse perdite di carico e minor turbolenza.Per concludere si può affermare che la valvola a farfallarappresenta un organo di intercettazione ideale perpressioni di esercizio che vanno dal vuoto ad oltre 20 Bar,e con temperature dipendenti dal tipo di elastomero sceltoper la sede di tenuta.

FOREWORD

Generally speaking, butterfly valves with elastomer seat are finding increasingly wider application thanks to theirwell proven reliability and the many advantages they haveto offer compared with conventional valves.Above all, the series 301 butterfly valves findapplication in widely differing industrial sectors for bothshut-off and flow control service regarding any type offluid.The valve design is such as to be able to meet requirementsin the iron and steel, ship building, textile, chemical, andpetrochemical industries, in water treatment processes anddyeing plants, etc. as well as in the air conditioning andheating sector.Main advantages of the butterfly valves are:-very compact size and light weight; this facilitatesinstallation on the piping also in special plants with limitedamount of free space.- elastomer seat with internal metallic support ring whichensures geometric and dimensional stability as well as easyreplacement of the seat without requiring the services ofskilled personnel, in the event of accidental breakage dueto infiltration of foreign matter.Moreover the elastomer seat protects the valve body fromthe process fluid, hence the body need not be of specialmaterial. The seat also partially covers the sides of the valvebody thanks to its special shape, therefore the valve isalready ready for mounting on the piping without needingadditional seals..The disc it self-centering thanks to the floating coupling of iton the stem and is of lenticular shape. It represents anexcellent means for minimizing pressure drops across thevalve. Moreover, thanks to the accurate machining of itsedge, it ensures, through interference fit with the elastomerseat, perfectly tight shut-off up to 21,5 bar and vacuumtight up to 10 TORR. The only loss is that due to themolecular permeability of the elastomer.Moreover the disc has no fastening element with the stem,which is potential cause of problems and corrosion; hencethere is improved full flow, lower pressure drop and lessturbulence.To sum up, it can be stated that the butterfly valve representsan ideal shut-off device for operating pressures rangingfrom vacuum to over 20 bar, while the temperatures dependon the type of elastomer choosen for the seat.

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, �������-� alla corrosione ed all’abrasione, in effetti solo la sededi tenuta ed il disco sono a contatto con il fluido.

* e bidirezionali (cioè consentono il montaggio in entram-����$������be le direzioni di flusso).

* ���� �� ������ con anello metallico interno che ne assicurala stabilità geometrica e dimensionale.

* ����� autocentrante all’interno della sede di tenuta pereffetto dell’accoppiamento flottante albero-disco.

* ����$$��)���� ��!��� - disco esente da elementi di fissaggio(viti, bulloni, ecc.) che possono rappresentare agenti di corro-sione e di guasti.

* ����� disegnato in modo da garantire ampia sezione dipassaggio, basse perdite di carico, minima turbolenza.

* ��������� in accordo I.S. EN 558-1 - API STD 609 - MSS SP 67- ASME B16.5 / B16.34.

* semplicità di montaggio e manutenzione: non si�����)�richiedono guarnizioni supplementari per il montaggio tra leflange, nè lubrificazione.

* a qualsiasi tipo di������)����attuatore pneumatico od elettrico.

* delle parti esterne della�����-����valvola alla corrosione (verniciaturaepossidica o poliuretanica).

* caratteristica di regolazione.(����* ��� ���� tenuta con pressionedifferenziale fino a 21,5 BAR.

* ����� assai contenuto.

Lo stelo superiore è bloccato dalcomando manuale (leva, gear) odall’attuatore (pneumatico, elettrico),e l’OR assicura una lubrificazionea vita. Inoltre nella parte superioredello stesso viene praticata una fre-satura che riproduce esattamente laposizione del disco quando la val-vola è inserita tra le flange.

Il corpo fuso in un pezzo unico, assi-cura resistenza e peso minimo.Può essere fornito in una vastagamma di materiali, nei modelliWAFER, che ad alette forate e/ofilettate LUG, per soddisfare ogniesigenza di installazione.

Per il particolare profilo interno dellasuperficie di contatto disco - sede, lereciproche contropressioni assicura-no una perfetta tenuta.

Lo stelo, data l’estremità quadra, siinnesta direttamente nel disco, elimi-nando ogni elemento di fissaggio.Ciò permette al disco di flottare sullostelo e quindi autocentrarsi all’inter-no della guarnizione, formando conla stessa una linea di tenuta continua.Dato il particolare profilo deldisco le perdite di carico egli sforzi di rotazione sono alquantoridotti.

La sede resiliente è vulcanizzata suun anello di sostegno metallico inter-no.

Dato il particolare profilo della sededi tenuta, nessuna guarnizione ènecessaria tra le flange.

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DISCO

INDIC. ESTERNA POSIZIONE DISCO

1

2

3

4

5

6

1

2

3

4

5

6

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DN 350 ÷ DN 600 (14" ÷ 24")

0

1

2

3

10

4

5

6

78

7

8

4

15,,

1

14

14

NOTA: Altri materiali, oltre quelli sopra indicati, sono fornibili su richiesta. NOTE: Special materials, are available on request.

**Solo per DN450 e DN500.**Only for 18"-20".

Parti di ricambio consigliate. Spare parts suggested.

DN 40 ÷ DN 300 (1 " ÷ 12")1/2

1

6

0

3

8,

1

1

13

10

13,

7,

2,

5,

4,

18,

*Solo per valvole con corpo in acciaio.*Only for valves with body in steel material.

6

9

12

16

1191

������� � � � � Du Pont trademark

�������:���� ������ � + ��������� �� ������������

ITEM DESCRIZIONE - DESCRIPTION MATERIALI MATERIALS RIFER. NORM. - REF. NORM����� ��������� �� ������ Ductile Iron GS 400/15 ���� � ��� � ! ������������"� � ���� �� #� Aluminium G-Al Si 91 �$� %���� ��&� �� �� '�� (�� Al/BR. G-CU Al 11 Fe4 Ni4 ���� $ ��)�� !#�����! &��*! ����+���� '���� +�!& Cut-off Carb.Steel Fe 510 gr. C ,( ���-����! &��*! '� �! �� . Carbon Steel Fe G.45 VR ���� -�� /&$���! 0 1 � ��� � ��� 2 316 S.S./ 316 L.S.S. ���� ����&')� � &'��$� %���� &� �� �� (�� '�� Al/BR.CU Al 10 Ni5 Fe4 0( �3�����! 0 1 � ��� 416 S.S. ���� � �)- �45� ������! 0 1 � ��� � ��� 2 316 S.S./ 316 L.S.S. ���� � �3# �45� ��� � ��� 2���! 0 1 � ��� 6�3����78 630 S.S. ���� � ��� �45� ����5��1 '�� 9(� � ��)��7������4 & � -3� ���� $ �3��#�� �� : ��� $� ��3� (� �)6�#)#8

4 + 5 O-RING - 0-RING $� � � .�� Buna / Viton �6 BRONZINA CORTA CON 1 OR - $� % Bronze �7 DISTANZIALE - SPACER ������ &��* � Carbon Steel �8 BRONZINA CORTA CON 2 OR - $� % Bronze �

9 + 10 O-RING - 0-RING $� � � .�� Buna / Viton �11 TAPPO - PLUG ������ &��* � � ���� ��� Carbon Steel / 304 S.S. �

����! ������! �� ������ ,(� Ductile Iron GS 400/15 ENP ���� � ��� � ! ��������$� %����! ��&9 �� �� '�� (�� Al/Bronze G-CU Al 11 Fe4 Ni4 ���� $ ��)�� !#�����! &��* � ��+��� Forged carbon steel ���� � ������! &��* � '� �! �� . Carbon Steel Fe G.45 VR ���� � -�� /&$���! 0(;< ��� ��+��� 316 S.S. forged ���� � �)- '������! 0(;< ��� � ��� 2 ��� 316 S.S. / 316 L S.S. casting ���� � ����&')� � &'�����! 0(;< ��� 2 "������ 316 L.S.S. precision casting ���������-�� ��; ���� � ��� � ! &: � � &9(�5��1 ���� � ��� � ! & � � &97������4 & � -3� ���� � �#� &/ - �� �� ��� ���� � �#� � ! � ���� �=����� ,���$9(� (�.0�;( EPDM-BUNA N-VITON coated � �=����� 02��(�7�2� RILSAN-HALAR coated �$� � (� � ,�� � ,�� 7!�! � Buna N* - EPDM - EPDM H.T. - ��""� ������� � (�5�� �� � Natural rubber - Neoprene* - ���� -���.�� � � 745�� � � ����� � Viton* - Hypalon* - Silicone ���', PTFE ���� ���3�3�

14 BRONZINA LUNGA - LONG BUSHING $� % Bronze �15 + 16 O-RING - 0-RING $� � � .�� Buna / Viton �

17** BRONZINA - BUSHING $� % Bronze �18 VITE - SCREW ���! &��* � )!)� �- Carbon Steel 8.8 / S.S. A2 �

12 DISC0 - DISC

SEDE - SEAT13

1 CORPO - BODY

2 + 3

STELO SUPERIOREE INFERIORE

UPPER ANDLOWER STEM

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CON FORI FILETTATI O PASSANTI -

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The installation has to be carried out according to the state of theart and only by qualified personnel.reserves the right to decline responsibility for damage orpremature failure if the recommendations contained in thisinstruction are not being followed.

The�������� butterfly valves are two - ,vay cnes whtci'tneans they can be mounted with flow on both sides.The valves are designed for installation between DIN orANSI flanges. They are inserled between these flanqeswithout need of seals of any kind. They can be mounted inany position in the piping. if necessary with the small anclmedittm sized valves. the actuators can be turned downwithout alterating the rnterference between the dísc andthe seat. Before mounting the valve between the flanges.it Ìs advisable to apply a film of silicone grease on theouter surfaces of the seat in contact with the flanges. Thisrs to auoid a possible sticking with the mounting ftangesand rtsk of tearing or breakage when disassembting. NterplacÌng the wafer type valve with an half open disc belween the flanges, proceed to center it between the latter.Then insert ihe tie - rods which extend along the outsideof the valve body. Then thread the nuts on the tie-rods andtighten them uniformly. ln the case of the LUG type valves.the bodies are equrpped on the outside with iugs havinglaaped or ihrough holes coinciding with the hofes cn thòt!3.ttEes Ìi ,"er:tcre the installation through bolts ls qurckerand easier. After assemblying, it is advisable to checkeverything opening and closing the valves several times.It is a good practice not to install the vatve close to elbowsjoints in the piping, especially upstream, in order not toworsen the hydraulic running of the fluid or to cause

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The flanges (better if with neck or socket type) should bealways perfectly parallel with well machined surfaces: theinner and outer diameters must be machined in compliancewith the actual flanges norms.lf the flanges are not parallel or not well machined, theywould cause abnormal stress on the tie-rods resulting in apoor tightening with the seal.Consequently the disc movements would cause rapid wearof the seat. Moreover inner and outer diameters of the flanaesare very important for a correct valve operation.lf the diameters are too small (fig. A), they could preventvalve movement.Too large diameters, instead, (fig. B), would not allow sufficienttightening of the seat, causing a not-perfect tight shut-offto the outside.The ideal solution is ilfustrated in (fig. C), where the flangeinner diameter is equal to the valve port.

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��=� ��������� ��� ��5 � � � 5����� � �� -)!# *�� � ��=� ��������� �� �� ��� �� � � 5����� � �� �#!� *�� � 5�=� 5 ��"����� �� �� ��� � �!� *��! 0 ���� 5�� ������ ���5 �*��� =��=��� �� ��� ������ � �!� *��> 5�� ���=�%� � *���� 5����� �! B����@����"� ��� *���� �55�� ������� ��> ��G �"� A����� 5�� ���=�%� �� ��+��%� �> �=� 5�������"� �� �@� ������� %� ��� ������ � �� ���� �� �� ��� ? ����!

2� =��=�� � �������� 5�� ������ � �������� �� ���=�%� �� =�� 5��� � �� ���! 2� �� ��� ���=�� �"� A�� ? ��"����� ���� � ����� 5��"��*����D "������� ����@�����"��������� �� �� ���� �� �� ���!

The above table is given as a guide only. Many factors can influence the extent of corrosion (type of solution - concentration - temperature - presence of impurities, etc.). Hence it is up to thecustomer to make the final assessment depending on the application and the equipment characteristics.

Pressure rating of the S buttefly valves are as follows: DIN NP2.5 - Np6 - Np10 - Np16. Testing pressures for the above rating at the temperature of 38°C/+100.4°F are:- Hydraulic test of the valve body (with disc in open position) at a pressure 1.5 times the nominal pressure;- Hydraulic test for tight shut-off (with disc in the closed position) at a pressure 1.1 times the nominal pressure;- Pneumatic pressure for tight shut-off at 7 bar.

Hydraulic test of the valve body at a pressure of 28.9 bar - Hydraulic testing for tight shut-off at a pressure of 19.3 bar - pneumatic test for tight shut-off at 5.6 bar. Valves can also be suppliedwith shut-off reduced to 3.5 bar for low pressure services. The latter offer low torque values, just like those for adjustment service, where the interference between the disc and the seat ispratically zero.

butterfly valves can be installed in vacuum systems equal to 10 Torr. Shut-off under vacuumis limited only by the molecolar permeability of the elastomer forming the seat.

CLASSI DI PRESSIONE /

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Page 14: INTRODUZIONE (Page 1)effetto dell’accoppiamento flottante albero-disco. * ˇˇ $$˜˝)˛˚ˆ ˝ !˛ - disco esente da elementi di fissaggio (viti, bulloni, ecc.) che possono rappresentare

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VALVOLA A FARFALLA con attuatore pneumatico mod.AP a doppio o sedmplice effetto con posizionatore pneumatico segnale 3 15 PSI o elettropneumatico segnale 4 20mA.BUTTERFLY VALVES with double or spring return pneumatic actuator mod. AP with pneumatic positioner input signal 3 to 15 PSI or elettropneumatic input signal 4 to 20 mA.

VALVOLA A FARFALLA con attuatore pneumatico mod.AP a doppio o semplice effetto con comando manuale d’emergenza mediante riduttore ad ingranaggi disinnestabile.BUTTERFLY VALVES with double or spring return pneumatic actuator mod. AP featuring emergency manual control through disengangeable reduction gear.

VALVOLA A FARFALLA con attuatore elettrico monofase 230V - 50Hz o trifase 400V - 50Hz IP67.BUTTERFLY VALVES with 230V - 50Hz one phase or 400V - 50Hz three phases Ip67 electric actuator.

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Page 15: INTRODUZIONE (Page 1)effetto dell’accoppiamento flottante albero-disco. * ˇˇ $$˜˝)˛˚ˆ ˝ !˛ - disco esente da elementi di fissaggio (viti, bulloni, ecc.) che possono rappresentare

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� ��� ��*�%� � �� ��> �� =��=�� ��= �=��� ) ��� � � For oil pipeline, valves must have 8 holes. �� & �! (�"� 0!�! ,( ��)�� � �� Complying with I.S. EN 558-1 StandardsN2N ? �� "����� ����� ���� ��� ����> ��� � �����"� � �� ��� �"5���� �5������ � "L" is the measurement of the disc chord, which determines its full opening.��� ��� ��� +� �(�0 ��� 2$� ����������� ��� � �(�0 $�!� ��5 UNC � 8-UN� *** For flanges ANSI 150 lbs thread is according to ANSI B1.1 type UNC / 8-UN .

) ) > in s 0 8 9 & * 3 9 9 & , 3 8 9 & - 8 9 9 ( . 4 9 9 ( *

� � � � ; � � � + % � � � � � # $ � 5 0 1 1 0 . 2 7 0 1 5 4 . 3 9 0 1 9 8 . 4 1 1 0 2 4 2 . 5 2 1 0 4 6 3

� � � � � / + � � " � # $ � 6 0 1 3 2 . 3 9 0 1 9 8 . 4 1 1 0 2 4 2 . 5 1 5 0 3 3 0 . 7 2 7 0 5 9 5 . 3

���������� �� ��/��(� + ������� ����������

Page 23: INTRODUZIONE (Page 1)effetto dell’accoppiamento flottante albero-disco. * ˇˇ $$˜˝)˛˚ˆ ˝ !˛ - disco esente da elementi di fissaggio (viti, bulloni, ecc.) che possono rappresentare

2�=� "� ���� � ����"� � � +���� ��������� ,(��O�������� 5�� =��=�� ��������� (��I(��� � ���5����= �� *����++� �� ��� � ������ �����* � ��5�����%%�� � �� 5��%� � 6�� ��������� � ������ 0(;< �0�0 ���8!

Aluminium for ductile iron ASTM A536 grade 65-45-15 lever for butteflyvalves Ø1”½ to Ø12” with tropicalized carbon steel 10 position toothedleverlock handle (upon request stainless steel AISI 316).

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GHISA SFERO IDALE -DUCTILE IRON

� ( � � �����B

%��"0�3��

��39 G ��699 40 313 41 45& &'( 4 - 1.57 12.32 1.61 1.77��689 + ��099 40 407 45 52

&. &( 1.57 16.02 1.77 2.052 4.41

1.5 3.3

ALLUMINIO - ALUMINIUM � ( � � �����B

%��"0�3��

��39 G ��699 40 313 41 45

& &'( 4 - 1.57 12.32 1.61 1.77

��689 + ��099 - - - -

&. &( - - - -

0.8 1.76

- -

&"� � "� ���� � =�� �� � �������� �� � +�� �++� ����=����*��� � �����%� ����+ � 5�� =��=�� � �������� �� I ��� ��55�� �� ����"���� � -�J�6� P +��� 5�����%� � �� #�H> �55�� ���� �� "����"� � ������ ��� ("> 5�� =��=�� � �������� -�� I ��� ��55�� �� ����"���� � ��J�63 P +��� 5�� ���%� � �� #�H> �55������ �� "����"� � ������ 3�� ("8! ��� =��=�� � �������� ��� I ��� ��55�� ������"���� � ��J� 6�� +��� 5�� ���%� � �� #�H> �55�� ���� �� "����"� � ������-��� ("8 � 5�� =��=�� � �������� ��� ��55�� �� ����"���� � ��J�6�- ��� +��� 5�����%� � �� #�H> �55�� ���� �� "����"� � ������ ���� ("8! B���� ���5����= ?�������� �� � � ������ � +���� +��+�� �!-�> ���@� ��� ����� A���� � ������ �� ���� +���� ��������� ,(��O� ����� � +�� � �� � � =��� �� %� �� � � ������ �� ���* ���� ��+�� �� 5��%� � �� �5������ � ��������! 0� ���� ? ��*������� � =���!

!

Handwheel operator with weatherproof, not-reversing reduction gear for butterfly fromvalves Ø1 ½” to Ø6” gear ratio 24:1(5 ½ turns with rotation of 90°, max output torque300 Nm, for butterfly valves from Ø8” to Ø12” gear ratio 30:1(7 ½ turns with rotation90°, max output torque 750 Nm). For butterfly valves from 14” to 20” gear ratio 65:1(15 turns with rotation 90°, max output torque 2000 Nm) and for butterfly valves 24”gear ratio 64:1(42 3/4 turns with rotation of 90°, max output torque 3400 Nm). Thesystem consists of a cast iron G.25 casing which houses a ductile iron EN-JGS-600/3worm wheel meshing with a treated carbon steel worm. Open and closed position arecontrolled by two carbon steel memory stops. All members are lubrificated for life

H

ØD

CB

D

G

A

�����

ØV

S n° of holes ØTS n° fori ØT

E

ØEF* ØV

45° 45° 45° 45°

�� ��/� � (�� &� &� � +A: PROLUNGA ALBERO - EXTENSION STEMB: FLANGE TUBO DI PROTEZIONE - FLANGES TUBOLAR HOUSINGC: TUBO DI PROTEZIONE - TUBOLAR HOUSING

2� 5��� +�� ����@��*�� ����� =��=��> +� ����"� �� �������� � ������ �����* �> � � �� ��� ���@� ��� �� � ��* ��� �+���� �� 5���%� � ���+� �� ��"�������! ��� ��� �� ��� +� �� ���55��"� � =��=���5��� +�> ��� ���� 5���� ��5����� ����� 5��� +� ������> ? 5���*���> �� ���������> � ����������� +��� �%� � ��� �������� � � 5���%� � �"5���� =��� �@����� !2� 5��� +�� 5�� ������ �� ��� �� ��������� � �� +��%%� =����*��� �����"" � ����""!

The valve extension stems are normally made of carbon steel and arecontained in a weatherproof tubolar housing.On request, it’s possible to insert some seals between the valve and theextension stem mounting flanges as well as in the top part of the extensionstem, in order to ensure full protection against the outside.Upon request, the extension stem can be supplied in lenghts ranging from100 to 5000 mm.

))���

MN

( � � I ( � � � � � � � � � � - � � � � � - � � � � � � # Q � � � � � !� � - �1 1 / 2 ÷ 6 " 1 .3 3 1 . 7 3 6 . 2 9 7 . 8 7 1 . 6 1 0 . 4 7 / 0 . 6 2 � - 2 . 7 1 4 .1 7 1 .8 3 4 . 9 2 ( - � � � 3 !� � # !� � 3 � - � � � � � � � � ) � Q � � � � 3 � 3 )8 " 1 .4 7 2 . 3 4 6 . 7 3 7 . 8 7 1 . 6 1 0 .6 2 � - 3 . 3 0 6 .0 2 2 .6 3 7 ( - � � � ( � � � � 3 !� � # !� � 3 � � � � � � � ) � - - � � ) � Q � � � � 3 � 3 )1 0 " - 1 2 " 1 .4 7 2 . 3 4 6 . 7 3 1 1 . 8 1 1 . 6 1 0 . 7 / 0 . 8 6 � - 3 . 3 0 6 .0 2 2 .6 3 7 ( � � � I ( � � � � � � - 3 - � � � � � � � � � � >� � � ) ) - � � # 3 - � �1 4 " ÷ 2 0 " 1 .7 7 5 8 . 5 1 1 . 8 2 . 3 6 � 1 . 7 5 0 . 5 5 3 . 4 6 7 .8 7 3 . 8 8 . 0 5 ( � � � � � � � - � � � � � � # � � � � � ) � � � Q - � � � - � � � �2 4 " 2 .6 0 5 . 9 8 1 3 . 3 8 1 9 . 6 9 3 . 5 4 � 2 . 4 8 0 . 7 5 . 9 4 1 0 2 .3 6 1 1 . 8

4 4

6 2 . 8

� 1 � )

� < � ) L� < � � �

� < � � �

� < � - � - ) !�

- �� � � 6' � � 8

W E IG H Tlb s

1 1

1 9 . 4

2 2

Ø E S x Ø TNMHGF * Ø V

3 � 6' � 3 8L� � - 6' � � 8

) !)

� �

P E S OK g

E

2 4 :1

M O D E L L OT Y P E

B C Ø D DD I A M E T R IS IZ E S

A

R V 2

3 0 :1R V 1

� � � 6' � � 8R V 3

3 � 6' � 3 8

Page 24: INTRODUZIONE (Page 1)effetto dell’accoppiamento flottante albero-disco. * ˇˇ $$˜˝)˛˚ˆ ˝ !˛ - disco esente da elementi di fissaggio (viti, bulloni, ecc.) che possono rappresentare

MANUTENZIONE�� ��� 5���� �� ��� � ������� �� ����� ���@� ��� �� � � =��=�� � �������� 5���**�������� 5������� 5�� �� 5��� � � �@�"*�� ��! � � ��+�� %� "� �++���� �� =��=��� �������� � ���� %� � � 5������� ��������"� ��! ����� �A�������� ���5 ��*����D 5�� ��5���%� � ���+���� ��� ��"� ��! 2� "� ��� %� � ��� � =��=�� ���� 5�E ������ ���������� �� �� 5��� ��� ��������� � ��� � ��5���� �� ����"*� ��+� ���R ( F ��������� ���� � "� ��� %� � ����*������%� � 5�������! 2� =���� 5���� ������� �� �� =��=�� 5�� ��������5�%� ��� ��"��� � 5� ��"5 � �"��� �����%%�����! ��� ��� ��E> ������������� �� =��=��> �+����� � ���� �� � *��� � ����� ��� +�> �� �������� �� ������ �������*�%� �!

! ! MAINTENANCEPlease note that fluid residues inside the butterfly could be dangerous for humans andthe environment. The butterfly valve must be handled and cleaned carefully prior to themaintenance. The maintenance is made at the own risk of the user. Maintenance on aS301 must be executed by trained staff only. Only original spare parts are to be used.No maintenance and/or periodic lubrification is required.The various component parts ofthe valve can be inspected or removed quickly using normal tools. To do so, close thevalve; then remove the tie-rods or bolts from the flanges and extract the valve off thepiping.

! !

1

6

0

3

8,

1

1

13

10

13,

7,

2,

5,

4,

18,

*Solo per valvole con corpo in acciaio.*Only for valves with body in steel material.

6

9

1

DN 40 ÷ DN 300 (1 " ÷ 12")1/2

0

1

2

3

10

4

5

6

78

7

8

4

15,,

1

14

14

**Solo per DN450 e DN500.**Only for 18"-20".

2

16

1191

DN 350 ÷ DN 600 (14" ÷ 24")

SMONTAGGIO E RIMONTAGGIO

RICAMBI

0 � %����� �5���� �"5����"� �� �� =��=��! �+����� �� ��=����" �@���"����"" ��� ����� =��=��! B�� �� �=����� �� ��55 6��8> �+����� �� +��� �%� � 6��8! ��������@��*�� ��5����� 6-8 � �� ��+��� A���� � ������ 6�8 � ���"� �+�� ��� +� 6�8+��� �%� � ��*�� � �� 5���� �� � ��� +�� ��� +� ����� *� %� � 6 ��#���8! �5� +������� �� ���� 6�-8 ������ ���@� ��� ����� ���� �� �� ��� 6��8> 5� �� ���� ������>"���� �� ��++��� ��5� �� "�%%��� +""���! 0�5�%� ��� �� ��������� �� 5���� =���� �������� � A�� �� ��" ���� �� ����> ��+�� � �@��� � � =��� ���� �" ��++�!2@�55����%� �> � 5����� A�� ���D> �� +���� ����� � ���@� ��� ��� ��5 �����=��=�� � ��� ��� ��"���*���> ���������D ��=�"� �� �� " ��++�! 0 �� � �������� %� � �� ���� ���� 5�������"� �� �@�����"��D A����� ����@��*�� ��5����� � ��*��������� ��� ����! ����**� �� � � �����> � ������ ��5�����"� �� � ��%� +����*���> �� � ��� ����� ���� �� �� ��� ����� *� ���� ���� � A����� �����5 �� ����� ��5 � ��� ����!

(�"��"� �� �� =��=�� =� + �� ��� � �� ���� �5��� �� A������ +��� � ��G �� �� ��+��� �@� ������%� � ��� �� ��� +� ����� ��*�%� �! 5 �=�� ������ ����� � ���� �� *��� �> �� � �%���� �� "� =�� �� �5������ � �������� 5�� ��������� ��� �������� ������� �� " ��++� �5�� "� %� ���! �� �� ���� ������� 5������> �� =��=��5�E �� %� ��� 5�� �� +�����"� 5����� �� ��"5> �� %� �� �������D �� ��5�%� � ����"*�! ��� � ��� ����"*� ��� �� 5�� � ��+����� 5�� � � =��=�� � �5��������� � +""� � ��? �� ���� �� �� ��� ��� ��5 6��8 � ����� +�� ��� +� �� �� ���5���� �� 6�>�>#>��>��>��8!

DISASSEMBLY AND REASSEMBLY

SPARE PARTS

First fully open the valve. Remove the lever system or operating mechanism fittedon the valve.Then unscrew the plug (11) and remove seal (10). Extract the upper stem (2), thelower stem (3) together with the stem O-rings (4) and remove the eventual seals ofthe bushings (5-9-15). Force the disc (12) out from the seat (13), and then the sameseat, making slow strokes with a rubber mallet. Inspect and/or replace the partswhere necessary, then reassemble all the items in the reverse order of theassemblying. Reassembly is gratily helped applying smearing small amounts ofsilicone grease inside the valve body and on the two stems. At the end pay attentionin perfectly aligning the square end of the upper stem with the broaching of the disc.In fact, there is risk of damage if repeated use of force is made when inserting thestems in case the holes on the seat are not properly aligned with the correspondingones on the valve body and disc.

Normally the valves are supplied with the disc open in the measure of few degrees andtherefore they should be installed between the flanges of the piping. After tightening allthe tie-rods or bolts, perform the opening and closing manoeuvres to make sure thereare no assembly faults as mentioned above. If everything is OK, the valve can operatefor very long periods without requiring inspection or spare parts.The only recomendedspare parts for valves are the rubber ones i.e. the seat on the valve body (13),with its respectively o-rings (16) where they are present, the o-rings for stems and

CAMPO DI APPLICAZIONE PRESSIONE-TEMPERATURA per valvole S301 max ANSI150 (PN20)PRESSURE-TEMPERATURE RATING for butterfly valves 301 Series max class ANSI150 (PN20)

ATTENZIONE: =��������� �� "����"� ��"5��������""����*��� �� ��5 �� +��� �%� � ���" �� �� =��=��! .�����*���� ��"5 �� �55����%� � � ��������������� ����� ���� � �����"��! 2� 5���� �� ��*���� � +����� � ����������%%��� ��+�� � � ���� � �� ��� ���� (�"���=� ���,$��!���-���!

ATTENTION: to verify the maximum permissibletemperature to the type of seal that mounts the valve.Please see the Application and Characteristics forelastomer seat. The present table and diagram has beenrealized following the data contained in the norm ANSIB16.34-2004.

!

!

400

350

300

250

200175150125100

755025

00 2 4 6 8 10 12 14 16 18 20 22

Pressione (bar) - Pressure (bar)

°F H& psi *��-20,2 ÷ 100,4 �-# I �) 284,2 �#>�

122 �� 278,4 �#>-

212 ��� 256,7 �3>3

302 ��� 229,1 ��>)

392 -�� 200,1 ��>)

482 -�� 175,5 �->�

Temperature Working Pressue by Class 150

��"5������� &����� �� ��=� �(�0���

����:���� �� =����� �:���� � �������:���� + ������������ ��� ����������� �����������

Page 25: INTRODUZIONE (Page 1)effetto dell’accoppiamento flottante albero-disco. * ˇˇ $$˜˝)˛˚ˆ ˝ !˛ - disco esente da elementi di fissaggio (viti, bulloni, ecc.) che possono rappresentare

In nomogramma qui riportato può sostituire, per la sua praticità e semplicità di lettura, nonché per la sua sufficiente esattezza, la formula del coefficientedi portata CV, solitamente usata.Tale nomogramma può essere usato sia per i gas, con velocità superiore a 4.5 m/sec, che per i liquidi (parte gialla), mettendo in relazione i valori diportata Q, il diametro Ø, l’angolo di apertura α e la caduta di pressione Δp delle valvole a farfalla .C’è da considerare inoltre, l’economicità del sistema di regolazione con le valvole a farfalla, poiché buone regolazioni si possono ottenere per i valorid’angolo di apertura del disco compreso tra 25° e 70°.The nomograph plotted alongside can replece the normally used flow coefficient CV based formula as it is pratical, easy to read and sufficientlyaccurate.Such nomograph can be used both for gases with velocities exceeding 4.5 m/sec and for liquids (coloured yellow) by plotting the flow rates Q, diameter Ø,angle of opening and pressure drop of the butterfly valves in relation to each other.The economic advantages of the adjustement system with butterfly valves should also be considered as good adjustement can be obtained for discopening angles ranging from 25° to 70°.

Caduta di pressione a disco tutto aperto

Pressure drop with disc fully open

750

600

700

500450400350300

250

200

150

125

100

80

65

50

40

Diametro valvola (m

m)-Valve size(ins)

1 1/2

2

2 1/2

3"

4"

5"

6"

8"

10"

12"

14"

16"

18"

20"

24"

28"

30"

90°

75°70°

65°60°

55°50°

45°40°

35°

30°

25°

20°

15°

10°

Posizione di apertura del disco

Disc opening position

0.0007

0.001

0.0020.004

0.014

0.007

0.0280.0420.07

0.14

0.280.42

0.70

1.40

2.804.207

14

284270

140

280420

700

136.200

100.000

50.000

40.000

30.000

20.000

15.000

10.000

5.0004.000

3.000

2.000

1.500

1.000

500

400

300

200

150

100

50

40

30

2015

10

75

4

32,27

GAS - GASES LIQUIDI - LIQUIDS

Po

rtat

a Q

in m

/ h

- F

low

rat

e Q

in m

/ h

33

Cad

uta

di p

ress

ion

e

p in

bar

per

acq

ua

a 20

°CP

ress

ure

dro

p

p in

bar

fo

r w

ater

at

20°C

/ +6

8°F

--

--

--

--

--

--

--

--

-

ESEMPIO DI CALCOLO PER L’ACQUA - CALCULATION EXAMPLE FOR WATER(USO DEL NOMOGRAMMA - USE OF THE NOMOGRAPH)

DATI - DATAFluido - Fluid: acqua (peso specifico relativo y=1.0) - water (specific gravity y=1.0)Portata - Flow rate: Q = 250 m3/hDiametro valvola - Valve diameter: Ø 8” (200mm)

DETERMINARE - TO DETERMINELa caduta di pressione della valvola in condizioni di massima apertura deldisco e per angolo di apertura α = 75°.Proiettare orizzontalmente dal punto Q = 250 m3/h fino ad incontrare lacurva della valvola (DN 200 mm), indi proiettare verticalmente fino adintersecare la linea di massima apertura (90°), e infine orizzontalmentesull’asse della caduta di pressione, dove si legge il valore di 0.00827 Bar.Continuando a proiettare verso l’alto fino ad intersecare la linea α = 75°,si può leggere in corrispondenza all’intersezione, un valore di caduta dipressine di 0.0165 Bar.The pressure drop across the valve under conditions of maximum discopening and angle of opening α = 75°.Proyect horizontally from point Q = 250 m3/h until meeting the valve curve(ø8”) then project vertically until intersecting the line corresponding tomaximum opening (90°). Lastly project horizontally on the axis referringto the pressure drop, where a value of 0.00827 bar is read off.Continue to project towards the top until intersecting the line α = 75°where a pressure drop of 0.0165 Bar can be read at the point ofintersection.

ESEMPIO DI CALCOLO PER ARIA - CALCULATION EXAMPLE FOR AIR(USO DEL NOMOGRAMMA - USE OF THE NOMOGRAPH)

DATI - DATA:Fluido - Fluid: aria (densità = 3.48 Kg/m3) - air (density = 3.48 Kg/m3)Portata - Flow rate: Q = 750 m3/hDiametro valvola - Valve diameter: Ø 4” (100mm)

DETERMINARE - TO DETERMINELa caduta di pressione della valvola in condizioni di massima apertura(90°).Procedendo come si è fatto per il liquido, si ricava che la caduta dipressione della valvola è di 2.16 Bar: questo valore è però relativoall’acqua.Il Δp relativo all’aria sarà di:The presure drop across the valve under conditions of maximum opening(90°).Proceed as described above for the liquid, to deduce that the pressuredrop across the valve is 2.16 bar: however this value is referred to water.The relative Δp for air is:

2.16 x 3.481000

= 0.0075168 Bar

Per determinare la caduta di pressione Δp di qualsiasi fluido, moltiplicareil valore ottenuto dal nomogramma per la densità del fluido (in Kg/m3) edividendo per 1000.To determine the pressure drop Δp for any fluid, multiply value obtainedfrom the nomograph density of the fluid (in Kg/m3) and divide by 1000.

15

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25

TIPO VALVOLAVALVE TYPE

W WaferL LugF Flangiata - FlangedP Collo lungo - Long Neck

DIAMETROSIZE

15 DN - ND 40-1”1/2

02 DN - ND 50-2”25 DN - ND 65-2”1/2

03 DN - ND 80-3”04 DN - ND 100-4”05 DN - ND 125-5”06 DN - ND 150-6”07 DN - ND 175-7”08 DN - ND 200-8”10 DN - ND 250-10”12 DN - ND 300-12”14 DN - ND 350-14”16 DN - ND 400-16”18 DN - ND 450-18”20 DN - ND 500-20”24 DN - ND 600-24”28 DN - ND 700-28”30 DN - ND 750-30”32 DN - ND 800-32”36 DN - ND 900-36”40 DN - ND 1000-40”

PER FLANGEFOR FLANGES

06 PN - NP 610 PN - NP 1016 PN - NP 1620 PN - NP 2025 PN - NP 2501 ANSI 150

ANSI 150 FILET. METRICAANSI 150 METRIC THREADS

03 ANSI 300

MATERIALE CORPOBODY MATERIAL

A1 AISI 316 - 316 S.S.A3 AISI 316L - 316L S.S.C7 ACC. CARBONIO (fuso) - CARB. STEEL (cast)C8 ACC. CARBONIO (ritagliato) - CARBON STEEL (cut-off) G1 GHISA SFEROIDALE - DUCTILE IRONG2 GHISA GRIGIA - GREY IRONGR GS. riv. RILSAN - RILSAN COATED D.I.L8 ALLUMINIO - ALUMINIUML7 BRONZO / ALLUMINIO - ALUMINIUM / BRONZES3 DUPLEX F 51S5 254 SMOS6 HASTELLOY C-276

MATERIALE DISCODISC MATERIAL

A1 AISI 316 - 316 S.SA3 AISI 316L - 316L S.S.AL AISI 316 lucidato - polished 316 S.S.AP AISI 316 spruzzato P.T.F.E. - P.T.F.E. painted 316 S.S.C7 ACC. CARBONIO - CARBON STEELG1 GHISA SFEROIDALE - DUCTILE IRONGR GS riv. RILSAN - RILSAN COATED D.I.GE GS riv. EPDM - EPDM COATED D.I.GB GS riv. BUNAN - NBR COATED D.I.GV GS riv.VITON. - FKM COATED D.I.GH GS riv. HALAR. - HALAR COATED D.I.GT GS riv. EBANITE - EBONITE COATED D.I.L3 BRONZO - BRONZEL7 BRONZO / ALLUMINIO - ALUMINIUM / BRONZES3 DUPLEX F51S5 254 SMOS6 HASTELLOY C-276

MATERIALE SEDESEAT MATERIAL

BN BUNA N Nera - Black NBRBB BUNA N Bianca - White NBREN EPDM Nero - Black EPDMEB EPDM Bianco - White EPDMEH EPDM H.T. - H.T. EPDMGN GOMMA NAT. Nera - Black Nat RUBBERGR GOMMA NAT. Rossa - Red Nat. RUBBERHY HYPALONNN NEOPRENE Nero - Black NEOPRENENB NEOPRENE Bianco - White NEOPRENEPT P.T.F.E.SB SILICONE Bianco - White SILICONESR SILICONE Rosso - Red SILICONEVI VITON - FKM

MATERIALE STELOSTEM MATERIAL

A1 AISI 316 - 316 S.S.A3 AISI 316L - 316L S.S.A5 AISI 630 - 630 S.S.A6 AISI 416 - 416 S.S.A7 AISI 420 - 420 S.S.L4 BRONZO / ALLUMINIO

ALUMINIUM / BRONZES1 MONEL K500S3 DUPLEX F51S5 254 SMOS6 HASTELLOY C-276

AZIONAMENTOCONTROL DEVICE

AN ALBERO NUDO - BARE STEMLA LEVA ALLUMINIO - ALUMINIUM LEVERLG LEVA GHISA SFEROIDALE - D.I. LEVERGE RIDUTTORE INGRANAGGI - GEAR OPERATORAD1 ATTUATORE DOPPIO EFF. - DOUBLE ACTING ACTUATORAD2 ATTUATORE SEMP. EFF.N.C. - N.C. SPRING RETURN ACT.AD3 ATTUATORE SEMP. EFF.N.A. - N.O. SPRING RETURN ACT.

301

02

1 2 3 4 5 6 7 8

1-

3-

Solo per valvole tipo Lug e flangiateOnly for Lug and flanged valves

*

*

2-

4-

5-

6-

8-

7-

Du pont Trade Mark*

**

***

*

**

**

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mm 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 900ins 11/2 2 21/2 3 4 5 6 8 10 12 14 16 18 20 24 28 32 36

CV 13.5 22 49 78 300 635 841 1190 2200 2460 4816 5950 7200 11000 16200 20100 42000 53200

VALORI DEL COEFFICIENTE CV - COEFFICIENT CV VALUES

2000

1500

1000900800700600500

400

300

200

1009080706050

40

30

20

1098765

4

3

2

10 20 30 40 50 60 70 80 90 100

200

300

400

500

600

700

800

900

1000

1500

2000

3000

4000

5000

6000

7000

8000

9000

2000

01 2 3 4 5 6 7 8 9

1000

0

11/2¨-

40 m

m2¨

- 50

mm

21/2¨-

65 m

m3¨

- 80

mm

4¨- 1

00 m

m

5¨- 1

25 m

m6¨

- 150

mm

8¨- 2

00 m

m10

¨- 25

0 m

m12

¨- 30

0 m

m14

¨- 35

0 m

m16

¨- 35

0 m

m18

¨- 40

0 m

m20

¨- 50

0 m

m22

¨- 55

0 m

m24

¨- 60

0 m

m28

¨- 70

0 m

m32

¨- 80

0 m

m36

¨-900

mm

Diagramma perdite di carico (Δp) riferito ai liquidi (peso specifico = 1 a 15°CPressure drop (Δp) diagram referred to liquid (Absolute Weight = 1 to 15°C/+59°F)

ΔP =

per

dit

a d

i car

ico

in g

/cm

2-p

ress

ure

dro

p in

g/c

m2

Q = Portata in m3/h - Flow rate in m3/h

27

MONTAGGIO - ASSEMBLYInserire la valvola tra le flange di accoppiamento in modo corretto, interponendo tra esse e la valvola delle comuniguarnizioni a cartella esenti d’amianto, rispettando la direzione del flusso. Essa viene centrata automaticamentedai tiranti della flangia di accoppiamento e può essere installata sia su tubazione orizzontale che verticale (fluidoascendente).Attenzione: evitare l’installazione della valvola in prossimità di correnti pulsanti.NOTA: usare normalmente flange a saldare di testa-tasca o filettate per flange slip-on, specificare all’atto dell’ordi-nazione.Insert the valve between the mounting flanges in the correct way, placing some simple asbestos-free flat seals betweenthem and the valves, and according to the direction of the flow.The valve is automatically centered by the bolts of the mounting flange and can be installed both on horizontaland vertical piping (rising fluid).Caution: avoid installing the valve close to pulsating streams.NOTE: Normally use butt welding, socket welding flanges or screwed flanges: for slip-on flanges, please specifywhen ordering.APPLICAZIONI - APPLICATIONSScegliere adeguatamente il diametro della valvola, in modo che la velocità del fluido, attraverso il foro di passag-gio B, non sia superiore ai seguenti valori: Prodotti liquidi 5 m/sec. - Prodotti gassosi 25 m/sec. In apertura, il cla-pet della valvola sviluppa un angolo massimo di 60° circa ed è superfluo che tale valore sia superiore, pioché l’a-rea sviluppata è maggiore di quella relativa al foro di passaggio.Choose the correct valve size so that the velocity of the fluid througt port B does not exceed the following levels:Liquid products 5m/sec - Gaseous products 25 m/sec. When the valve is opened, its disc develops a maximumangle of approx. 60°. It is superfluous for such angle to be greater as the developed area is greater that of theport.

MANUTENZIONE - MAINTENANCELe valvole di non ritorno non necessitano praticamente di manutenzione, eccetto l’eventuale sostituzione dell’O-ring di tenuta. In condizioni parti-colarmente severe di lavoro, controllare periodicamente l’O-ring di tenuta. Per condizioni normali di lavoro, si raccomanda il controllo della valvola dopo2 o 3 anni di servizio. check valves do not require pratically any maintenance, except the replacement of the O-ring, when necessary. Periodically check the O-ringwhen operating under severe conditions. It is advisable to inspect the valve after 2 or 3 years service, under nirmal operating conditions.NOTA: Su richiesta si possono fornire valvole corredate di contrappeso e valvole senza O-ring di tenuta per temperature superiori a 250°C.NOTE: Valves can be supplied complete with counter weight or valves O-ring for temperatures exceeding 250°C / +482°F, on request

Facce di contatto con flangeContact faces with flanges

Facce rigate del corpo senza O-ring

Grooved faces of the body withoutO-ring

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29

130 140 160 190 210 240 265 320 375 440 490 540 595 645 755

14 14 14 16 16 18 18 20 22 22 22 22 22 24 24

100 110 130 150 170 200 225 280 335 395 445 495 550 600 705

14 14 14 18 18 18 18 18 18 22 22 22 22 22 25

39.5 51 70 82.6 101.6 126 151 211 258 314 344.5 394.5 444.4 495.4 596.9

43.5 54.5 70 108.1 133 160.5 211 264 314 357 407 444.4 495.4 596.9

150 165 185 200 220 250 285 340 395 445 505 565 615 670 780

16 18 18 20 20 22 22 24 26 26 26 26 26 28 28

110 125 145 160 180 210 240 295 350 400 460 515 565 620 725

18 18 18 18 18 18 22 22 22 22 22 25 25 25 30

39.5 51 70 82.6 101.6 126 151 211 258 314 344.5 394.5 444.4 495.4 596.9

43.5 54.5 70 82.6 108.1 133 160.5 211 264 314 357 407 444.4 495.4 596.9

UNI

ISO

FORI - HOLES

1/2140 50 65 80 100 125 150 200 250 300 350 400 450 500 600

1/222 3 4 5 6 8 10 12 14 16 18 20 24150 165 185 200 220 250 285 340 405 460 520 580 640 715 840

16 18 18 20 20 22 22 24 26 28 30 32 32 34 36

110 125 145 160 180 210 240 295 355 410 470 525 85 520 770

18 18 18 18 18 18 22 22 25 25 25 30 30 33 36

39.5 51 70 82.6 101.6 126 151 211 258 314 344.5 394.5 444.4 495.4 596.9

43.5 54.5 70 82.6 108.1 133 160.5 211 264 314 357 407 444.4 495.4 596.9

4 4 4 8 8 8 8 12 12 12 16 16 20 20 20

mm

insmminsmminsmm

insmminsmmins

5.91 6.50 7.28 7.87 8.66 9.84 11.22 13.39 15.94 18.11 20.47 22.83 25.20 28.15 33.07

0.63 0.71 0.71 0.79 0.87 0.87 0.94 1.02 1.1 1.1 1.18 1.26 1.26 1.34 1.42

4.33 4.92 5.71 6.30 7.09 8.27 9.45 11.61 13.98 16.14 15.80 20.67 23.03 25.59 30.31

0.71 0.71 0.71 0.71 0.71 0.71 0.87 0.87 0.98 0.98 0.98 1.1 1.1 1.30 1.42

1.56 2.00 2.76 3.25 4 4.96 5.94 8.31 10.16 12.36 13.56 15.53 17.5 19.5 23.5

1.71 2.15 2.76 3.25 4.26 5.24 6.32 8.31 10.39 12.36 14.06 16.02 17.5 19.5 23.5

0.71 0.71 0.71 0.71 0.71 0.71 0.87 0.87 0.87 0.87 0.87 0.98 0.98 0.98 1.18

4.33 4.92 5.71 6.30 7.09 8.7 9.45 11.61 13.78 15.75 18.11 20.28 22.24 24.41 28.54

0.55 0.55 0.55 0.71 0.71 0.71 0.71 0.71 0.71 0.87 0.87 1.18

3.94 4.33 5.11 5.91 6.69 7.87 8.86 11.02 13.19 15.55 17.52 19.49 21.65 23.62 27.76

A

BD

/UNI 2281-67 PN10 (DIN 2632) /UNI 2282-67 PN16 (DIN 2633). Faccia di contatto piana (FF)o con gradino (RF) tornita e rigata. Forgiate in acciaio al carbonio Aq 42 UNI 673 e protette con lacca antiruggine.WELDING NECK FLANGES, PN 6 (DIN 2631) PN10 (DIN 2632) PN16 (DIN 2633).Flat face (FF) of contact or with raised face (RF), turned and grooved. Carbon steel Aq 42 UNI 673 forging, protected with rust preventing coating.

UNI

ISO

FORI - HOLES

1/2140 50 65 80 100 125 150 200 250 300 350 400 450 500 600

1/222 3 4 5 6 8 10 12 14 16 18 20 24

4 4 4 8 8 8 8 12 12 12 16 16 20 20 20

mm

insmminsmminsmm

insmminsmmins

UNI

ISO

FORI - HOLES

1/2140 50 65 80 100 125 150 200 250 300 350 400 450 500 600

1/222 3 4 5 6 8 10 12 14 16 18 20 24

4 4 4 4 4 8 8 8 12 12 12 16 16 20 20

mm

insmminsmminsmm

insmminsmmins

5.91 6.50 7.28 7.87 8.66 9.84 11.22 13.38 15.55 17.51 19.88 22.24 24.21 26.37 30.71

0.63 0.71 0.71 0.79 0.79 0.87 0.87 94 1.02 1.02 1.02 1.02 1.02 1.10 1.10

1.56 2.00 2.76 3.25 4 4.96 5.94 8.31 10.16 12.36 13.56 15.53 17.5 19.5 23.5

1.71 2.15 2.76 3.25 4.26 5.24 6.32 8.31 10.39 12.36 14.6 16.02 17.5 19.5 23.5

5.12 5.51 6.30 7.48 8.27 9.45 10.43 12.6 14.76 17.32 19.29 21.26 23.43 25.39 29.72

0.55 0.63 0.63 0.71 0.71 0.79 0.87 0.94

1.56 2.00 2.76 3.25 4 4.96 5.94 8.31 10.16 12.36 13.56 15.53 17.5 19.5 23.5

1.71 2.15 2.76 3.25 4.26 5.24 6.32 8.31 10.39 14.06 16.02

0.55 0.55 0.87 0.87 0.87 0.87 0.94

0.87 0.87 0.87

82.617.5 19.5 23.512.36

A

E

B

C

D

A

B

C

D

EFLANGE ANSI - WELDING-NECK, DA SALDARE DI TESTA ANSI 150 LB(B 16.5) Faccia di contatto piana (FF) o con gradino (RF) tornita e rigata. Forgiate in acciaio al carbonio ASTM A 105 e protette con lacca antiruggine.WELDING NECK FLANGES ANSI 150 LB (B 16.5)Flat face (FF) of contact or with raised face (RF), turned and grooved. Carbon steel ASTM A 105 forging, protected with rust preventing coating.

FORI - HOLES

1/2140 50 65 80 100 125 150 200 250 300 350 400 450 500 600

1/222 3 4 5 6 8 10 12 14 16 18 20 24127 152.4 177 190.5 228.6 254 279.4 342.9 406.4 482.6 533.4 596.9 635 698.5 812.8

17.5 19 22.2 23.8 23.8 25.4 28.6 30.2 31.7 34.9 36.5 39.7 42.9 47.6

94.8 120.6 139.7 152.4 190.5 215.9 241.3 298.4 361.9 431.8 476.2 539.7 577.8 635 749.3

15.9 19 19 19 19 22.2 22.2 22.2 25.4 25.4 28.6 28.6 31.7 31.7 34.9

40.9 52.5 62.7 78 102.4 128.3 154.2 202.7 254.5 304.8 336.5 387.3 438.1 488.9 599.5

4 4 4 4 8 8 8 8 12 12 12 16 16 20 20

mm

insmminsmm

insmminsmmins

5 6 7 7.5 9 10 11 13.5 16 19 21 23.5 25 27.5 32

0.69 0.75 0.87 0.94 0.94 0.94 1 1.13 1.19 1.25 1.37 1.44 1.56 1.69 1.87

3.73 4.75 5.5 6 7.5 8.5 9.5 11.75 14.25 17 18.75 21.25 22.75 25 29.5

0.63 0.75 0.75 0.75 0.75 0.87 0.87 0.87 1 1 1.13 1.13 1.25 1.25 1.37

1.61 2.07 2.47 3.07 4.03 5.05 6.07 7.98 10.02 12 13.25 15.25 17.25 19.24 23.25

AN

SI 1

50 L

B 23.8

DIAM.-SIZES mmins

DIAM.-SIZES mmins

A

E

B

C

D

DIAM.-SIZES

A

E

B

C

D

mmins

DIAM.-SIZES

A

E

B

C

D

mmins

PN

6- D

IN 2

631

UN

IP

N10

- D

IN 2

632

UN

IP

N16

- D

IN 2

633

UN

I