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Slow silencer closing check valve

Products > Hydraulic control valve > Slow silencer closing check valve

Slow silencer closing check valve

Model: HH49X, HDH48X, HH46X
Nominal pressure: PN1.0 ~ 2.5MPa
Nominal diameter: DN40 ~ 1000mm
slow closing time: 3 to 60 seconds
Suitable medium: water, sewage, water
Temperature: 0 ~ 80 ℃ (if necessary ,
Up to 200 ℃) Flange standard: GB / T 17241.6 GB / T 9113
Test standards: GB / T 13927 AP1598
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Slow damping valve closing features

Slow closing check valve muffler can be used in water, sewage, sea water and other media of the drainage pipes, both to prevent the media back, but also effectively limit the destructive water hammer to ensure the safety of the use of the pipeline. Microporous retarded butterfly check valve has the advantages of novel structure, small volume, light weight, small fluid resistance, reliable sealing, smooth opening and closing, wear resistance, long service life, hydraulic pressure and slow closing without media influence. Good energy-saving effect and so on.

 

Slow closing silencer slow closing the main parts of the material

Part NameBodyDiscStem, cylinder, piston, springSeat
materialCast iron, cast steelCarbon steelstainless steelNitrile rubber

 

Slow-closing muffler slow check the main technical parameters

modelNominal pressuretest pressureproper temperatureSuitable mediaSlow closing time
caseseal
HH46X 
       HDH48X 
       HH49X
1.01.51.1≤80 ℃Water, sewage, sea water≤60 seconds
1.62.41.76
2.53.752.75

 

Slow closing silencer slow main dimensions

Nominal diametersizeNominal diametersize
LHH1LHH1
4014020088350290480297
5015021598400310550324
65170225108450330585351
80180235118500350640379
100190280130600390720434
125200290148700430780491
150210310172800470840549
200230350210900510990600
25025041524010005501050655
30027045026412006301210770


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