Check Valve Series

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Tiny Drag Slow Close Swing Check Valve

manufacturer: Shanghai Fengqi Industry Development Co., Ltd.
Eml: sales@fengqi.sh.cn

Tel: 86 (21) 3652 8716
Mob: (86) 138 1635 6498

product drawing

Tiny drag slow close swing check valves
Tiny drag slow close swing check valves

Features and usages

HH44 (Z / X), HH44 (X / T / H) tiny drag slow close swing check valve is applied to the discharge pipes, installed in the pump outlet to prevent the media reflux and eliminate the destructive water hammert, and can effectively reduce the valve closed water hammer pressure, can protect the safe operation of pipe network. The valve has light disc, large opening, obvious energy-saving effect, small liquid resistance, new water hammmer elimination design, stable and reliable sealing performance, wear resistance and long service life, stable action, non-vibration, no noise and other features.

Technical parameters

nominal pressure:1.0~2.5MPa
nominal diameter:40~800mm
applicable medium: water,weak corrosive liquid
suitable temperature:0~80℃(if needed,it can get to200℃)
flange standard:GB/T 17241.6 GB/T9113
test standard:GB/T 13927 AP1598

Typical installation diagram

Tiny drag slow close swing check valve typical installation diagram
Tiny drag slow close swing check valve typical installation diagram

Dimensions & constructral diagram

Tiny drag slow close swing check valve constructral diagram(pic1)
Tiny drag slow close swing check valve constructral diagram(pic1)
Tiny drag slow close swing check valve constructral diagram(pic2)
Tiny drag slow close swing check valve constructral diagram(pic2)

The materials of main parts

part name body,bonnet disc shaft
material grey cast iron, cast steel steel plate,rubber components stainless steel

The external and connection dimensions

DN(㎜) 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800
L 200 230 290 310 350 400 480 500 600 700 800 900 1000 1100 1300 1400 1500
H 300 300 320 354 350 380 500 580 670 730 820 920 950 1100 1200 1550 1700
B 220 270 290 300 320 340 410 450 550 580 630 700 800 900 990 1120 1300
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