Cast/Ductile Iron Flex/Swing Check Valve is automatic type which are opened by the pressure of the fluid and closed by the reversing flow. The water hammer rising has been taken into consideration during design so it is reliable.
1- Body/Bonnet: GGG40/50
2- Stem: SS420/431
3- Bolts/Nuts: SS304
4- DISC: GGG40/50 + EPDM Coating
5- Epoxy Resin coating internal & external, thickness above 300 micron
7- Flanged acc to BS4504, ISO 7005. Face to Face acc. to BS 5153,DIN 3352
8- Work pressure: PN10/16; Size range: 1",1 1/2", 2" to 24"
Company Profile
Suzhou Walter Flow Control Equipment Co., Ltd. are a professional company specializing in fluid & firefighting equipment.
We do, and always will, fashion our long time business relationships from advanced technology, excellent quality and good service.
Walter Flow Control supplies products with FM, UL, CE and all other relevant certificates for use in Water Reticulation and Treatment Systems, Fire-fighting Projects, High Rise Buildings, the Oil, Gas and Chemical Industries etc.
Company Products
Valves: Gate Valve, Butterfly Valve, Check Valve, Automatic Hydraulic Control Valve, Air Release Valve, Globe Valve, Ball Valve, Strainer, Pipeline products, etc.
Firefighting: Fire Sprinklers, Wet Alarm Check Valve, Deluge Valve, Water Flow Detector, Foam Extinguisher System, Gas Extinguisher System and Fire Hydrant System, Fire Hose, Fire Hose Reel, Fire Monitor, etc.
Standard & Certificates
Walter products are design acc. to DIN, BS, ANSI, AWWA, EN, ISO,AS, API standard and relevant products can be provided with FM approval, UL listed, CE certificates.
Company Philosophy
Processing every enquiry efficiently
Treating every order seriously
Serving every customer considerately
Choose us, reap success
Audited Supplier 
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