Products Series
HH44X Micro-resistance Retarded Closed Check Valve
HH44X micro-resistance slow-closing check valve is composed of valve body, valve cover, disc, valve shaft and control valve. It is installed at the outlet of pump to prevent medium counter-flow and eliminate destructive water hammer.
HH44X micro-resistance slow-closing check valve is composed of valve body, valve cover, disc, valve shaft and control valve. It is installed at the outlet of pump to prevent medium counter-flow and eliminate destructive water hammer. It can effectively reduce the water hammer pressure of valve closure and ensure the operation of pipeline network. It has the characteristics of light disc, large opening, remarkable power saving effect, small fluid resistance, novel design of water hammer eliminating mechanism, stable and reliable sealing performance, wear resistance, long service life, stable operation, no vibration, no noise and so on.
Main technical parameters of HH44X micro-resistance slow-down check valve:
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Model
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Nominal pressure
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Test pressure
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Applicable temperature
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Applicable media
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Slow closure time
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|
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housing
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Seal up
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HH46X
HDH48X HH49X |
1.0
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1.5
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1.1
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≤80℃
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Clear water, sewage, sea water
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1.6
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2.4
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1.76
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2.5
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3.75
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2.75
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