China Industrial Double Disc Butterfly Check Valve for Water Treatment

Feature• 1. The short face to face dimension and compact design of this valve allow installation and service in tight spaces.
• 2. Spring assisted for better dynamic behavior.
• 3. Soft sealed for perfect tightness even at low differential pressure.
• 4. Available with flanges EN1092-2 pn10 or PN16. ANSI B16.1 Class 125(other types available on request). Working Pressure16 bar Working Temperature-10ºC to 120ºC for EPDM seat
-10ºC to 82ºC for NBR seat
-10ºC to 150ºC for Viton seat
Corrosion Protection
Internally and externally fusion bonded epoxy powder coated( FBE)

Technical Specification

SizeØD PN10PN16PN10PN16ANSI150EØD0ØdØd0LDN501071014366485943DN651271214680597246DN801421344695728664DN100162171521179011264DN1251921935614511013070DN1502182195617013516076DN2002732766022417520589DN25032833668265220265114DN30037840678310260310114DN35043844444878360302350127DN400489495511102410346400140DN450541555546114450385440152DN500594618603127505435487152DN600696735714154624516580178

Material Specification

Part NameMaterialsEN Spec.ASTM Spec.BodyCast IronEN-JL1040ASTM A126 Class BDiscStainless SteelBS970 304S15A351 CF8SeatEPDM/NBR/VitonCommercialCommercialHinge PinStainless SteelBS970 420S37AISI 420Stop PinStainless SteelBS970 420S37AISI 420Pin RetainerStainless SteelBS970 304S37AISI 304SpringStainless SteelBS970 304S37AISI 304WasherPTFECommercialCommercialGasketEPDM/NBR/VitonCommercialCommercial

Packing and Shipping

Each piece into one bubble plastic bag, several pcs into one wooden case; Wooden packing will protect the goods from damage during transportation.
Delivery time:30-45 days days after order /confirm/ied;
Main products
Company Brief
Shandong Hengyu Valve Industry Co.,Ltd is a specialized valve factory where intergrate casting , machining, assembling, and quality control all together in our workshops. Our main product is butterfly valve, gate valve, check valve, check valve, globe valve and Y-Strainers etc.

Factory Size (Sq.meters):66,700 square metersNumber of R&D Staff:5 - 10 PeopleNumber of QC Staff:Less than 5 PeopleCertifications:ISO14001,ISO9001:2000 Contract Manufacturing:OEM Service OfferedDesign Service OfferedBuyer Label Offered

Q and A

1. Q: Can I have our company name on product's body or cover ?

A: Yes.

2. Q:Could you help me to choose what kind of products?

A: Yes,We have a great technical team which can help you choose the right valves.

3. Q: What is your greatest strength?

A: All valve parts are produced by ourselves,we can ensure all parts are fully qualified.

4. Q: Is the pressure test inspection 100%?

A: Yes,we test the valves one by one.

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