Silencing slow closing check valve

Short Description:

Hh46x, hh48x, hh49x silencing slow closing check valve series products can be used in the drainage pipeline of clean water, sewage, sea water and other media, which can not only prevent the backflow of medium, but also effectively limit the destructive water hammer, so as to ensure the safety of the pipeline. It has the characteristics of novel structure, small volume, light weight, small fluid resistance, reliable sealing, smooth opening and closing, wear resistance, long service life, oil pressure and slow closing are not affected by medium, and has good energy saving effect.


Product Detail

Product Tags

Technical parameters of silencing slow closing check valve

Nominal pressure:1.0~2.5MPa

Nominal diameter:40~100mm

Slow closing time:3~60秒

Applicable media: clear water, sea water and sewage

Applicable temperature: 0 ~ 80 ℃ (200 ℃ if necessary)

Flange standard:GB/T17241.6、GB/T 9113、EN1092

Test standard:GB/T 13927、API 598

installation diagram

消声缓闭止回阀安装图

Material of main parts

Part name valve body Disc Valve stem, oil cylinder and piston Spring valve seat
Material Science Cast iron, cast steel carbon steel stainless steel stainless steel Nitrile rubber

Design drawing of silencing slow closing check valve

消声缓闭止回阀图纸

Main connection dimensions                                                                                                            mm

DN 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 900 1000
L 140 150 170 180 190 200 210 230 250 270 290 310 330 350 390 430 470 510 550
H 200 215 225 235 280 290 310 350 415 450 480 550 585 640 720 780 840 990 1050
H1 88 98 108 118 130 148 172 210 240 264 297 324 351 379 434 491 549 600 655

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