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Pneumatic 3-Eccentric Butterfly Control Valve

Product ID: M331/M332

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M331 Pneumatic 3-eccentric high performance butterfly valve
M332 Pneumatic 3-eccentric heavy-load butterfly valve

Comprised of pneumatic cylinder actuators and 3-eccentric butterfly valves. Triple eccentric structure which can prevent wear and leakage of the valve. Total metal hard sealing structure, zero leakage performance, applicable to high temperature and many other rigorous conditions.

Specifications
DN(mm): DN150~DN2000 (6"~80")
PN: ANSI150, 300, JIS10K, 30K

Material of parts
Body: WCB, CF8, CF8M
Disc: WCB, CF8, CF8M
Stem: 310S, 304, 316L
Packing: PTFE, graphite
Sealing ring: CGM, 316L

Fluid temperature
Normal temp.: ≤ +200° C
High temp. I: 200~+450 centigrade degree
High temp. II: 450~+580 centigrade degree
High temp. III: 580~+690 centigrade degree
High temp. IV: 690~+800 centigrade degree

Rated stroke: 0-90°
Ambient temp.: -20~+80 centigrade degree
Flow characteristics: Almost equal percentage
Rangeability: 30: 1
Leakage: ANSI ClassV, VI, Bubbletight

Main Products

Valve, control valve