butterfly valve disc

Name Gearbox Operated Lug Type Butterfly Valve Size DN40-DN300mm,1.6"-48" Pressure class PN1.0-2.0MPa Connection type LUG Structure type Centric type Standard API 509, DIN 3202, API 598 Operation Way Gearbox Color According to your Requirement. Suitable Temperature EPDM:-30℃~+120℃ NBR:-30℃~+80℃ PTFE: -30℃~+180℃ VITON: -30℃~+150℃ Applicable medium Water, liquids, gas, oil, powder, steam, acid-base medium, etc. Parts Material Body Cast Iron, Ductile Iron, Carbon Steel etc. Disc Aluminum Bronze, Stainless Steel Stem SS410/SS420/SS416/SS304/SS316/Monel Seat lining EPDM,NBR,VOTON,PTFE Packing Graphite/PTFE Gearbox Ductile Iron, Carbon Steel etc.

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