Check Valve Series

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Flange Vertical 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

Flange vertical check valves
Flange vertical check valves

Features

Flange vertical check valve has the following two characteristics:1, vertical check valve has flange and wafer types, with a simple structure, few parts, light weight and other features. Flange vertical check valve is mainly used in various working conditions of preventing the media backflow. 2, when the flange vertical check valve used as vertical installation, it will not set the spring. Using the disc weight and backflow pressure to achieve the check effect.

Dimensions & constructral diagram

Flange vertical check valve constructral diagram
Flange vertical check valve constructral diagram

Performance and specifications

type nominal pressure PN(MPa) test pressure (MPa) suitable temperature(℃) applicable medium
shell sealing
H42W-16C 1.6 2.4 1.76 ≤425 water, oil
H42W-16P ≤200 weak corrosive medium
H42W-25P 2.5 3.75 2.75
H42W-25R corrosive medium
H42W-40P 4.0 6.0 4.4 weak corrosive medium
H42W-40R corrosive medium
H42Y-40 water,oil

The materials of main parts

part name body, disc pilot valve sealing face
H42W-16C Carbon steel carbon steel Carbon steel
H42W-16P Cr-Ni-Ti stainless steel Cr-Ni-Ti stainless steel Cr-Ni-Ti stainless steel
H42W-25P
H42W-40P
H42W-25R Cr-Ni-Mo-Ti stainless steel Cr-Ni-Mo-Ti stainless steel Cr-Ni-Mo-Ti stainless steel
H42W-40R
H42Y-40 carbon steel carbon steel bead welding hard alloy

Connection dimensions

nominal diameter DN L D D1 D2 b f Z-фd
25 115 115 85 65 16 2 4-ф14
32 120 135 100 78 18 3 4-ф18
40 130 145 110 85 18 3 4-ф18
50 140 160 125 100 20 3 4-ф18
65 160 180 145 120 22 3 8-ф18
80 185 195 160 135 22 3 8-ф18
100 210 230 190 160 24 3 8-ф23
125 250 270 220 168 28 3 8-ф25
150 300 300 250 218 30 3 8-ф25
200 380 360 310 278 34 3 12-ф25
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