Wafer type butterfly valve is one normal type of butterfly valve, which is in need of big quantity. Wafer type butterfly valve is mounted between two flanges of the piping, FLOWSPEC can manufacture the wafer type butterfly valve according to different flanges standard, such as GB, ANSI, DIN, BS, JIS, etc. FLOWSPEC wafer type butterfly valve includes wafer type rubber lined butterfly valve, wafer type soft seated butterfly valve and wafer type metal seated butterfly valve according to the butterfly valve sealing type. FLOWSPEC wafer type butterfly valve includes wafer type concentric butterfly valve, wafer type double eccentric butterfly valve and wafer type triple eccentric butterfly valve according to the disc type. FLOWSPEC wafer type butterfly valve includes wafer type high neck butterfly valve and wafer type short neck butterfly valve according to the neck type.
Technical specifications
1. Design: GB/T 12238-1989, API609-1997
2. DN40(1-1/2")~DN1000(40")
3. Face to face:
4. PN10, PN16, PN25, 150LB, 300LB
5. Working temperature: -15℃~+150℃, -29℃~+550℃
6. Working medium: water, sewage, sea water, air, vapor, food, acids, alkalis, etc.
7. Actuator: lever, gear, pneumatic and electric actuator
8. Body: cast iron, ductile iron, cast steel, stainless steel
9. Disc: ductile iron, cast steel, stainless steel, bronze
10. Stem: 13% Cr., stainless steel
11. Seat: EPDM, NBR, PTFE, VITON, stainless steel, Stellite, Hastelloy alloy