WALTER-FSV Company Supply Double-Eccentric Center Flange Butterfly Valve, Hand Lever Butterfly Valve are widely used in drinking water system, sewage system, fire-fighting system. Our Butterfly Valves can produce from size DN40 to DN2400. The DISC material can be choose as per customer's requirements, like D. I, CF8, CF8M, CF3, Brass or such like.

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 250 micron

7- Connection: Wafer type, lug type, flange type

8- Work pressure: PN10/16; Size Range: 2" to 72 "

9- Design Standard: DIN, EN558-1, API609; Top flange: ISO 5211;

10- Operate: Handwheel or Worm Gear, Actuator or pneumatic.


Walter-FSV Company also provide OEM service for Flange Butterfly Valve, Wedge Gate Valve, Swing Check Valve, Titling Check Valve, Non-return Valve, Pressure Reducing Valve, Fire Hydrant, Fire Hose, Fire Sprinkler.