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Cast steel slow closing check valve

Cast steel slow closing check valve

Application and characteristics of butterfly buffer check valve: Butterfly type buffer check valves are mainly used at the outlet of water pumps in industrial water supply and sewage treatment plants to prevent media backflow in the official website. Automatically eliminate destructive water hammer to ensure that the water pump and pipelines are not damaged. The valve is mainly composed of a valve body, a valve disc, a buffer device, and a micro regulating valve. This product has the characteristics of novel structure, small volume, low fluid resistance, smooth operation, reliable sealing, wear resistance, and good buffering performance. It is the best product for industrial water use and urban sewage discharge.

  • Item NO.:

    XUVAL33-329
  • Lead Time:

    50 Days
  • Product Orgin:

    CHINA
  • Brand:

    XUVAL
  • Shipping Port:

    Shanghai
  • Payment:

    100%TT
  • Color:

    silvery
  • MOQ:

    1
Products Details

Cast steel slow closing check valve

Product features and usage: HH47H (X) butterfly buffer check valve, also known as pipe force valve. Mainly used at the outlet of water pumps in industrial water supply and drainage, sewage treatment plants, to prevent media backflow in the pipeline network. Automatically eliminate destructive water hammer to ensure that the water pump and pipelines are not damaged. The valve mainly consists of a valve body, a valve disc, a buffer device, and a micro regulating valve. This product has the characteristics of novel structure, small volume, fluid resistance, smooth operation, reliable sealing, erosion resistance, wear resistance, and good buffering performance.



Nominal pressure Nominal Diameter SIZE(mm) Nominal pressure Nominal Diameter SIZE(mm)
PN(MPa) DN(mm) PN(MPa) DN(mm)
L H H1 L H H1
1.0 1.6 2.5 40 140 200 88 1.0 1.6 2.5
50 150 215 98 400 310
65 170 225 108 450 330
80 180 235 118 500 350
100 190 280 130 600 390
125 200 290 148 700 430
150 210 310 172 800 470
200 230 350 210 900 510
250 250 415 240 1000 550
300 270 450 264 1200 630



Main performance specifications: nominal size DN200~DN1400, nominal pressure PN10~PN25

Model Nominal Pressure Test pressure(MPa) Working pressure(MPa) Medium Temperature Applicable Medium
Housing Seal
HH47H(X) PN10 1.5 1.1 1.0 ≤80℃ Clear water, sewage, seawater
PN16 2.4 1.76 1.6
PN25 3.75 2.75 2.5




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    If you are interested in our valves and want to know more details,please leave a message here,we will reply you as soon as we can.