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Butterfly valve >> |
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- Design standard: HG/T3704 GB/T12238-89
- Structure length: GB/T12221-2005
- Flange standard: JB/T79.1 GB/T9113.1 HG20592 ASME B 16.5
- Nominal pressure: 0.6 1.0 1.6 MPa
- Check test: JB/T9092-99, electric spark test;GB/T13927, vapour pressure test
- Driving mode: Manual operation, worm wheel, air-operating and electronic operating
- Lining martial: FEP (F46), PFA (FA), E-TFE(F40) and PTFE (F4)
- Valve material: Cast steel and stainless steel
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