Check Valve Series

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Flange Swing Rubber Disc 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 swing rubber disc check valves
Flange swing rubber disc check valves

Features and usages

The component designs of H44X (SFCV) series flange swing rubber disc check valve is composed of body, bonnet and rubber disc. The rubber disc uses steel plate, steel bar and enhanced nylon as substrate, the outer layer made of rubber coated. The disc switch life can get to 100 million times. The valve adopts full-flow area design, with a small head loss, hard to accumulate debris, easy to maintain and other convenient features. The valve is mainly applied to the horizontal installation of drainage systems, can be installed on pump outlet, in order to prevent back flow and water hammer damage to the pump. It also can be installed in the bypass pipelines of the reservoir input and outer waterpipes, to prevent water backflow to the water supply system.

Dimensions & constructral diagram

Flange swing rubber disc check valve constructral diagram
Flange swing rubber disc check valve constructral diagram

Main specifications

type nominal pressure MPa sealing test pressure MPa shell test pressure MPa maximum working pressure MPa working temperature ℃
H44X-10 1.0 1.1 1.5 1.0 ≤80
H44X-16 1.6 1.76 2.4 1.6

The materials of main parts

part name body bonnet disc
material cast iron cast iron steel,reinforced nylon

Main external dimensions (flange connection dimensions according to GB4216 standarad)

type DN L D D1 dn n
H44X-10 H44X-16 50 203 165 125 17.5 4
65 216 185 145 17.5 4
80 241 200 160 17.5 8
100 292 220 180 17.5 8
150 356 285 240 22 8
200 495 340 295 22 8
250 622 395 350 22 12
300 698 445 400 22 12
350 787 505 460 22 16
400 914 565 515 22 16
450 978 615 565 26 20
500 978 670 620 26 20
600 1295 780 725 30 20
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