NRS STEM BS5150 PN16 METAL SEAT GATE VALVE
Design and manufacture conform to BS5150 , MSS SP-70
Face to face dimensions conform to BS EN558-1 PN16, ANSI B16.1
Flange dimensions conform to EN1092-2, ANSI B16.1, ANSI B16.5
Testing conform to BS6755 / BS EN12266-1, MSS SP-70, Pressure PN10-PN25, Class125-Class150
Epoxy coating or Special coating for potable water
Operated by Handwheel operated (gear box be optional), or electric actuator
NO PART NAME METERIAL
1 BODY CAST IRON, DUCTILE IRON
2 BODY SEAT BRONZE,BRASS
3 WEDGE SEAT BRONZE,BRASS
4 WEDGE CAST IRON, DUCTILE IRON
5 STEM NUT BRONZE,BRASS
6 STEM STAINLESS STEEL
7 GASKET GRAPHITE
8 BONNET BOLT CARBON STEEL
9 NUT CARBON STEEL
10 BONNET CAST IRON, DUCTILE IRON
11 BOLTS CARBON STEEL
12 GASKET GRAPHITE
13 STUFFING BOX CAST IRON, DUCTILE IRON
14 PACKING GRAPHITE
15 GLAND FOLLOWER CAST IRON, DUCTILE IRON
16 HAND WHEEL CARBON STEEL,DUCTILE IRON
17 WASHER CARBON STEEL
18 HAND WHEEL NUT CARBON STEEL
DN L H D D1 D2 b c n-ød
50 178 278 102 125 165 20 3 4-ø18
65 190 312 122 145 185 20 3 4-ø18
80 203 327 138 160 200 22 3 8-ø18
100 229 400 158 180 220 24 3 8-ø18
125 254 489 188 210 250 26 3 8-ø18
150 267 544 212 240 285 26 3 8-ø22
200 292 632 268 295 340 30 3 12-ø22
250 330 772 320 355 405 32 3 12-ø26
300 356 863 378 410 460 32 4 12-ø26
350 381 1000 438 470 520 36 4 16-ø26
400 406 1070 490 525 580 38 4 16-ø30
450 432 1180 550 585 640 40 4 20-ø30
500 457 1240 610 650 715 42 4 20-ø33
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