Check Valve Series

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Floating Ball-type Lined Rubber, Lined Fluorine 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

Floating ball-type lined rubber, lined fluorine check valves(pic1)
Floating ball-type lined rubber, lined fluorine check valves(pic1)
Floating ball-type lined rubber, lined fluorine check valves(pic2)


Floating ball-type lined rubber, lined fluorine check valves(pic2)

Dimensions & constructral diagram

Floating ball-type lined rubber, lined fluorine check valve constructral diagram
Floating ball-type lined rubber, lined fluorine check valve constructral diagram

Technical specification

Design specification Face to face dimension Connecting flange Test and spection Product marks Supply specification
GB12235 GB12221 GB4216 GB13927 GB12220 GB7928

The materials of main parts

No. Part name Grey cast iron Cast steel Stainless acid resistant cast steel Ultra-low carbon Stainless acid resistant cast steel
Z C P R PL RL
1 Body HT205 WCB CF8 CF8M CF3 CF3M
2 Lining Rubber, Fluoroplastics
3 disc Al alloy ball core fully covered with Fluoroplastics, rubber

Main dimensions and weight

Nominal pressure Working pressure Diameter L D D1 B N-φd Weight /kg
mm inch
1.0 1.0 15 1/2 150 95 65 95 4-14 3
25 1 150 105 75 100 4-14 3.5
32 1 1/4 152 115 85 125 4-14 5
40 1 1/2 165 150 110 145 4-18 7.5
50 2 178 165 125 165 4-18 10.5
65 2 1/2 190 185 145 205 8-18 16.5
80 3 203 200 160 240 8-18 21.5
100 4 229 220 180 270 8-18 38
125 5 325 250 210 286 8-18 55
0.6 0.6 150 6 394 285 240 380 8-22 78.5
200 8 457 340 295 440 8-22 104
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