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The valve is closed by the reversing flow medium and the weight and there is a damper on the valve. The valve is closed by two stages of quick and slow closing which prevents the pump from turning back and superhigh water hammer pressure. The weight on the shaft balance the force during opening to reduce the flow resistance.
Tilting seat butterfly valve
The valve is closed by the reversing flow medium and the weight and there is a damper on the valve. The valve is closed by two stages of quick and slow closing which prevents the pump from turning back and superhigh water hammer pressure. The weight on the shaft balance the force during opening to reduce the flow resistance.
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Suitable medium |
water, sea water |
|
Main material |
grey cast iron, ductile cast iron, alloy cast iron, carbon steel |
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Nominal pressure |
PN0.6-1.0MPa |
|
Suitable temprature |
≤80℃ |
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Nominal diameter |
DN50-1200mm |
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Flange dimension |
BS4504 ISO2531, ISO7005 and other standards conforming to the requirements |
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Face to face length |
BS5163, BS5150, ISO5752, DIN3352 and other standards conforming to the requirements |
Material of main parts
Name of parts |
Material of parts body bonnet, gate |
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body ，disc |
grey cast iron, ductile cast iron, alloy cast iron, carbon steel |
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shaft |
stainless steel |
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Body sealing ring |
stainless steel |
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disc sealing ring |
rubber |
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Leakage |
ISO 5208class D |
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Tieling Water Valve CO.,Ltd Is one of the key enterprises after the former Tieling Valve Works was reformed. It is the largest low pressure big diameter valve, penstock manufacturing base
