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butterfly valve ( double eccentricity ) |
| 1) Pressure class: 150 - 300lbs |
| 2) Size: 2- 72" |
3) Temperature: -29¡ã C - 425¡ã C (WCB), -196¡ã C - 600¡ã C (SS) ¡À 570¡ã C
Alloy steel
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4) Suitable medium: Water, oil, gas, vapor, steam etc.
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5) Body and disc material: WCB, CF3, CF8, CF3M, CF8M etc.
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6) Stem material: 410(1Cr13), 420(2Cr13), 304, 316, 304L, 316L, 38CrMoAlA, 25Cr1MOV
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| 7) Operating type: Worm gear, pneumatic actuator |
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Parts |
Materials |
Body |
Cast iron, ductile iron, carbon steel, stainless steel |
Disc |
Nickel ductile iron / Al bronze / Stainless steel |
Seat |
EPDM / NBR / VITON / PTFE |
Stem |
Stainless steel / Carbon steel |
Bushing |
PTFE |
¡°O¡± ring |
PTFE |
Worm gearbox |
Cast iron / Ductile iron |
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