Elektro 3-Exzenter-Schmetterling Regelventil

EM331 Electric 3-eccentric high performance butterfly valve EM332 Electric 3-eccentric heavy-load butterfly valve Comprised of intelligent electric 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