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(JIS) Flange gate valve

Standards

Design and manufacture as JIS B2071
Face to face dimensions as JIS B2002
End flange dimension as JIS B2212, 2214
Pressure test as JIS B2003

 Test Pressure

 Test Item  Shell Test  Seal Test  Back Seal Test  Air Seal Test
 Medium ˮ Water  Air
 Unit MPa MPa MPa MPa
 Nominal Pressure 10K 2.4 1.5 1.5 0.5-0.7
20K 5.8 4.0 4.0

 Materials for Main Parts

Name  Material
 Body 
Bonnet 
Wedge
A216WCB A352 LCB A217WC6 A217WC9 A217C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M
Stem A182 F6 A182 F304 A182 F316 A182 F304L A182 F316L
 Stem Nut ZcuAl10Fe3 Bronze
 Hand wheel KTH350-1O
 Bonnet Bolt A193-B7 A320-L7 A193-B8
 Nut A194-2H A194-7 A194-8

 Main Connection Dimensions

Type  Size(mm)  Dimension(mm)
inch DN L D D1 D2 b z-d H D0
Z40H/W/Y-10K Z540H/W/Y -10K
Z940 H/W/Y-10K
1/2 15 108 95 70 52 12 4-15 180 120
3/4 20 117 100 75 58 14 4-15 185 120
1 25 127 125 90 70 14 4-19 225 140
11/4 32 140 135 100 80 16 4-19 245 160
11/2 40 165 140 105 85 16 4-19 310 180
2 50 178 155 120 100 16 4-19 335 200
21/2 65 190 175 140 120 18 4-19 350 220
3 80 203 185 150 130 18 8-19 420 240
4 100 229 210 175 155 18 8-19 485 280
5 125 254 250 210 185 20 8-23 515 300
6 150 267 280 240 215 22 8-23 565 320
8 200 292 330 290 265 22 12-23 760 400
10 250 330 400 355 325 24 12-25 950 450
12 300 356 445 400 370 24 16-25 1075 500
14 350 381 490 445 415 26 16-25 1160 500
16 400 406 560 510 475 28 16-27 1345 550
18 450 432 620 565 530 30 20-27 1450 550
20 500 457 675 620 580 30 20-27 1600 600
24 600 508 795 730 690 32 24-33 1720 650

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