Pneumatic 3-eccentric butterfly control valves

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Pneumatic 3-eccentric butterfly control valves
Posting date : Sep 07, 2009
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82-
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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°C High temp.II 450~+580°C High temp.Ⅲ 580~+690°C High temp.Ⅳ 690~+800°C Rated stroke 0-90° Ambient temp. -20~+80°C Flow characteristics Almost equal percentage Rangeability 30:1 Leakage ANSI Class Ⅴ, Ⅵ, Bubbletight

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