long stem ductile iron butterfly valve
long stem ductile 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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