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BS Manual Weir-type Diaphragm 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

BS manual weir-type diaphragm valves
BS manual weir-type diaphragm valves

Main performance and specification

working temperature applicable medium
≤85℃ J:general corrosive medium
≤120℃ FS:strong corrosive medium

Note: This is our company based-type products suitable temperature, if you have different requirement, please refer to the previous page shows for selection.

The materials of main parts

name materials
body Cast iron, cast iron / rubber lining, fluorine plastic
bonnet cast iron
disc cast iron
handwheel cast iron
diaphragm Natural rubber, butyl rubber, fluorine plastic, rubber
stem carbon steel

Connection dimensions

BS manual weir-type diaphragm valve constructral diagram
BS manual weir-type diaphragm valve constructral diagram
nominal diameter nominal pressure
/MPa
working pressure
/MPa
L D D1 n-Фd H1 H2 Do weight
/㎏
DN/mm NPS/inch
15 1/2 1.6 1.6 108 95 65 4-14        
20 3/4 117 105 75 4-14 93 103 66 3
25 1 127 115 85 4-14 100 112 66 4
32 1 1/4 146 140 100 4-18 127 144 96 6.5
40 1 1/2 159 150 110 4-18 136 156 96 7.5
50 2 1910 165 125 4-18 151 177 118 10
65 2 1/2 1.0 1.0 216 185 145 4-18 183 213 165 16
80 3 254 200 160 8-18 198 273 230 23.5
100 4 305 220 180 8-18 266 320 280 34
125 5 356 250 210 8-18 319 286 280 44
150 6 406 285 240 8-22 380 453 368 67.5
200 8 0.6 521 340 295 8-22 506 626 400 141.5
250 10 635 395 350 12-22 598 734 500 229
300 12 0.4 749 445 400 12-22 698 778 560 321
350 14 749 505 460 16-22 723 883 560 360
400 16 0.25 - 565 515 16-26 868 1078 640 584

implement standard: design and manufacture:BS5156 face to face dimensions:BS5156 flange connection dimensions:BS4504

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