Flange type butterfly valve is one normal type of butterfly valve, which is in need of big quantity. Flange type butterfly valve is with flanged ends, FLOWSPEC can manufacture the flange type butterfly valve according to different standard, such as GB, ANSI, DIN, BS, JIS, etc. FLOWSPEC flange type butterfly valve includes flange type rubber lined butterfly valve, flange type soft seated butterfly valve and flange type metal seated butterfly valve according to the butterfly valve sealing type. FLOWSPEC flange type butterfly valve includes flange type concentric butterfly valve, flange type double eccentric butterfly valve and flange type triple eccentric butterfly valve according to the disc type. FLOWSPEC flange type butterfly valve includes flange type high neck butterfly valve and flange type short neck butterfly valve according to the neck type.
Technical specifications
1. Design: GB/T 12238-1989, API609-1997, AWWA C504
2. DN40(1-1/2")~DN4000(160")
3. Face to face: ISO5752 series 13/14, GB/T12221, AWWA C504, DIN3202-F4, EN558-1
4. Flanged ends: GB/T17241.6, DIN2501, EN1092-2, BS4504, ISO7005-2, ANSI 125/150
5. Nominal pressure: PN5, PN10, PN16, PN25, PN40, 150LB, 300LB
6. Working temperature: -15℃~+150℃, -29℃~+550℃
7. Working medium: water, sewage, sea water, air, vapor, food, acids, alkalis, etc.
8. Actuator: lever, gear, pneumatic and electric actuator
9. Body: cast iron, ductile iron, cast steel, stainless steel
10. Disc: ductile iron, cast steel, stainless steel, bronze
11. Stem: 13% Cr., stainless steel
12. Seat: EPDM, NBR, PTFE, VITON, stainless steel, Stellite, Hastelloy alloy