China Metel Hard Seat Butterfly Valve with Explosion Proof Electric Actuator, Find details about China Butterfly Valve, Three Eccentric Butterfly Valve from Metel Hard Seat Butterfly Valve with Explosion Proof Electric Actuator
Main parts and materials
Technical Specification | |
Design Standard | JB/T 8527 - 97 |
Face to Face | GB/T12221 - 89 |
Flange Standard | GB 9113 |
Inspection & Test | GB/T13927 - 92 |
Working Temperture | -29ºC to 425ºC |
Main Performance Specification | ||||||
Nominal Size | DN (mm) | DN50 - DN2000 | DN50 - DN500 | |||
Nominal Pressure | PN (Mpa) | 0.6 | 1.0 | 1.6 | 2.5 | 4.0 |
Test Pressure | Strength Test | 0.9 | 1.5 | 2.4 | 3.75 | 6.0 |
Seal Test | 0.66 | 1.1 | 1.76 | 2.75 | 4.4 | |
Gas Seal Test | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | |
Leakage | <0.1 x DNmm 3/s ( in line with GB/T 13927-92 standard ) | |||||
Suitable Temperature | Carton Steel: -29ºC to 425ºC Stainless Steel,Chrome Molybdenum Steel: -40ºC to 550ºC | |||||
Applicable Medium | Air, Water, Steam, Gas, Oil, Alkali, Salt With A Weal Corrosive Media, etc. | |||||
Drive Operation | Worm Worn Transmission, Electric Actuator, Pneumatic Actuator |
Material of Main Parts | |
Part Name | Material |
Body | Carbon Steel, Stainless Steel, Chrome Molybdenum Steel, Alloy Steel |
Disc | Carbon Steel, Stainless Steel, Chrome Molybdenum Steel, Alloy Steel |
Stem | 2Cr13, 1Cr13, Stainless Steel, Chrome Molybdenum Steel |
Bearing | Austenitic Stainless Steel, 304 Nitride |
Ring | Stainless Steel and High Temperature Resistant Asbestos Board Combined Into Multi layers |
Packing | Flexible Graphite |
Main form and connection size
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