Cast Iron
Concentric Flange Butterfly Valve With Worm Gear Op is used for Water Treatment System, like drinking water, sewage plant, for consider of economy and application safety factor, when size above 600mm, we suggest to choose flange type, if size below 500mm, customer can choose wafer or lugged type.
1- Body: Ductile Iron GGG40/50 or Cast Iron GG25
2- Spindle: SS420/SS431/SS416
3- Disc: Ductile Iron, Cast Iron. SS304 (CF8) Stainless steel
4- Seat: EPDM or PTFE; 5- Pin: Stainless Steel
6- Epoxy Resin coating internal & external, thickness above 300 micron
7- Connection: Wafer type, lug type, flange type
8- Work pressure: PN10/16; Size Range: DN50 - DN2400
9- Design Standard: DIN, EN558-1, API609; Top flange: ISO 5211;
10- Operate: Handwheel or Worm Gear
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
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