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Sell Wafer type butterfly valve with soft seat

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  • Company Name :Tianjin Davanflowtek Co.,Ltd
  • Membership :Free member
  • Registrarion Date :2019. 11. 15
  • CountryRegion:China
  • Phone / Fax:+86-22-87800613  /  +86-022-87800613
  • Contact:Andy Don
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Wafer type butterfly valve with soft seat Technical Specification:
Valve Design: BS EN593/BS5155/API609/DIN3354

Face to Face: ISO 5752-20/BS EN558-20/API609

Flange Drilling: ASME B16.1 Class125/ASME B16.5 CL150/ASME B16.47 CL150/ DIN 2501 PN10-16/EN1092 PN10-16/JIS10K

Hydraulic Test: EN12266-1/API 598/ISO5208/JIS B2003

Shell Test Pressure: 24 bar/15 bar

Sealing Test Pressure: 17.6 bar/11 bar

Advantages of a Butterfly Valve
Butterfly valves are similar as ball valves but have more advantages. They are open and close very quickly when actuated pneumatically. The disc is more lighter than a ball, and the valves require less structural support than a ball valve of comparable diameter. Butterfly valves are very precise, which makes them advantageous in industrial applications. They are quite reliable and require very little maintenance.

1. Turning on/off easily and rapidly with less force. Having less fluid resistance and can be operated frequently.
2. Simple structure, small size ans short face to face dimension, which suitable for large diameter valves.
3. Can be used for transmitting mud, less liquids are stored at apertures of pipe.
4. Long service life. Standing the test of tens of thousands opening/closing operations.
5. Butterfly valves have excellent regulation performance.
7. Small torque. The pressure on disc at the two sides of spindle is almost equal, causing contrary torque. Thereby, the valves can be opened with less force.
8. Sealing face is generally med of rubber or plastic. So the butterfly valves can be with good sealing under low pressure.

Email: andytang(@)

WhatsApp:+86 185 2253 1796

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  • Sell Wafer type butterfly valve with soft seat

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