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 Butterfly valve |
Retractable Butterfly valve
Main performance parameters
Nominal pressure |
0.6 |
1.0 |
1.6 |
MPa |
Shell test pressure |
0.9 |
1.5 |
2.4 |
Seal test pressure |
0.7 |
1.1 |
1.8 |
Suitable temperature |
≤80, ≤120, ≤150, ≤200 |
℃ |
Suitable medium |
air, water, dust gas, gas |
Executive standards
| Name of fittings |
valve body, Butterfly plate |
Valve shaft, valve seat |
seal ring |
| Materials |
Gray cast iron, spheroidal graphite cast iron, Cast steel |
Stainless steel |
rubber |
Executive standards
1, Design and manufacture: GB12238
2, Connection size of Flange: GB9115
3, Structure length: GB12221
4, Inspection and test: GB/T13927
Structure diagram
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