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Foot valve/Weir type diaphragm valve

Size DN40 to DN300
Standard ANSI, DIN, BS, JIS, API, etc.
Material Cast Iron, Ductile Iron
Nominal Pressure PN10, PN16, CL125, CL150, JIS5K, JIS10K
1 Design Standard according to EN1074-5
2 Flange Drilling according to DIN, BS, ANSI, JIS, etc.
3 Nominal Pressure: PN10, PN16, CL125, CL150, JIS5K, JIS10K
4 Working Temperature: 0-80℃
5 Suitable Medium: Water, Oil, Gas
Nominal Pressure PN10/PN16 Class125/150
Shell Pressure 24bar 300PSI
Seat Pressure 17.6bar 200PSI
No. Part Name Material Standard
1 Body Ductile Iron or Grey Cast Iron GGG50/GG25
2 Bonnet Ductile Iron or Grey Cast Iron GGG50/GG25
3 Spring 65Mn -
4 Guiding Stem Stainless Steel 2Cr13
5 O-ring NBR -
6 Disc Ductile Iron with NBR GGG50
7 Nut Carbon Steel A3
8 Washer Carbon Steel A3
9 Nut Carbon Steel A3
10 Washer Carbon Steel A3
11 Sleeve Stainless Steel SS304
DN D D1 D2 H b f z-Φd
40 150 110 84 148 18 3 4-19
50 165 125 99 166 20 3 4-19
65 185 145 118 201 20 3 4-19
80 200 160 132 221 22 3 8-19
100 220 180 156 265 24 3 8-19
125 250 210 184 300 26 3 8-19
150 285 240 211 360 26 3 8-23
200 340 295 266 470 30 3 12-23
250 405 355 319 568 32 3 12-28
300 460 410 370 653 32 4 12-28
Remark: Our design can be suitable for all standard (BS, DIN, ANSI, JIS, etc.)
No. Part Name Material
1 Body Cast Iron, Cast Iron with Rubber or PTFE
2 Bonnet Cast Iron
3 Disc Cast Iron
4 Handwheel Ductile Iron or Grey Cast Iron
5 Diaphragm NBR, PTFE, Rubber
6 Stem Carbon Steel
1 Design Standard according to BS5156
2 Face to Face according to BS5156
3 Flange Drilling according to BS4504
4 Nominal Pressure: PN10, PN16
5 Working Temperature: ≤120℃
6 Suitable Medium: Water, Oil, Gas
Nominal Pressure PN10 PN16
Shell Pressure 15bar 24bar
Seat Pressure 11bar 17.6bar
Nominal Diameter Nominal Pressure (MPa) Working Pressure (MPa) L D D1 n-Φd H1 H2 Do Weight (kgs)
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" 191 165 125 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

Regulating valve/Balance valve


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