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Paramtents
connection wafer
operation worm gear
structure center line
feature long stem
standard ISO
certificate CE, ISO9001
body materials cast iron
seat materials rubber
nominal pressure pn10
nominal diameter DN50-800
Packging & Delivery
Min Order1 piece
Briefing
Detailed
long stem cast iron butterfly valve
Size: DN50-800
Design standard: API 609, BS EN 593.
Face-to-Face dimension: API 609, BS EN558.
Flange Drilling: ANSI B 16.1, BS EN 1092-2 PN 10 / PN 16.
Test: API 598.
Working Pressure | 10 bar / 16 bar/150lb |
Testing Pressure | Shell: 1.5 times rated pressure, Seat: 1.1 times rated pressure. |
Working Temperature | -10°C to 120°C (EPDM) -10°C to 150°C (PTFE) |
Suitable Media | Water, Oil and gas. |
Parts | Materials |
Body | cast iron |
Disc | Stainless steel |
Seat | EPDM / NBR / VITON / PTFE |
Stem | Stainless steel |
Bushing | PTFE |
“O” ring | PTFE |
Pin | Stainless steel |
Key | Stainless steel |
The butterfly valve is mainly used in the ground pipe where the valve without the long stem cannot reach.
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