ANSI CLASS 150 CARBON STEEL OR STAINLESS STEEL KNIFE GATE VALVE BOLTED BONNET DESIGN
KNIFE GATE VALVE PRODUCT’S SIZE:
PRESSURE GRADE FROM TO
CLASS 150 2” 36”
DESIGN DESCRIPTION:
ONE-PIECE CAST STEEL BODY;
BOLTED BONNET OUT STEM AND YOKE TYPE;
INDUSTRY APPLICATION:
PAPER, WATER, WASTEWATER, CHEMICAL, POWER, STEEL, MINING AVAILABLE WITH CHAIN, GEAR, ELECTRIC, AIR OR,HYDRAULIC ACTUATION.
WORKING PRESSURE AND TEMPERATURE
MATERIAL CELSIUR SCALE FAHRENHEIT
DUCTILE IRON 0 C ~100 C 57 F~237 F
CARBON STEEL -29 C~425 C 6 F~822 F
STAINLESS STEEL -40 C~550 C 15 F~1047 F
GENERAL DESIGN SPECIFICATIONS:
ITEM AMERICAN STANDARD
MANUFACTURE FACTORY STANDARDS
PRESSURE-TEMPERATURE RATINGS ANSI B16.34
FACE TO FACE MSS-SP-81
END FLANGE ANSI B16.5
INSPECTION AND TEST API 598
TEST PRESSURE TO API 598:
CLASS SHELL (WATER) SEAT (WATER) SEAT (AIR)
150 3.1MPA 450PSI 2.2MPA 315PSI 0.6MPA 80PSI
PARTS AND MATERIAL (ASTM)
NO. PARTS NAME MATERIALS
1 BADY ASTM A216-WCB/A351-CF8/A351-CF8M/GGG-4 DUCTILE IRON
2 DISC ASTM A351-CF8/A351-CF8M /CARBON STEEL
3 SEAT NBR/EPDM/PTFE/S.S/CARBIDE ALLOY
4 DISC HOLDER STAINLESS STEEL
5 STEM ASTEM SS410/SS304/SS316
6 GASKET PTFE/GRAPHITE
7 BONNET BOLT ASTM A193-B7
8 BONNET NUT ASTM A194-2H
9 BONNET ASTM A216-WCB/ A351-CF8/A351-CF8M/GGG-4 DUCTILE IRON
10 STEM PACKING PTFE/GRAPHITE
11 GLAND ASTM A216-WCB
12 GLAND BOLT ASTM A193-B7
13 GLAND NUT ASTM A194-2H
14 YOKE ASTM A216-WCB/ A351-CF8/A351-CF8M/GGG-4 DUCTILE IRON
15 NUT ASTM A194-2H
16 BOLT ASTM A193-B7
17 LUBRICATOR STAINLESS STEEL/BRASS
18 STEM NUT BRASS
19 RETAINER NUT STEEL
20 HANDWHEEL CAST IRON
21 NAME PLATE ALUMINIUM
22 H.W. LOCK NUT DUCTILE IRON
DIMENSIONS LIST(UNIT:MM):
SIZE DN L D D1 D2 H D0 N-M
2” 50 48 152 121 92 415 180 4-M16
2-1/2” 65 48 178 139.5 105 445 180 4-M16
3” 80 51 191 152 127 497 220 4-M16
4" 100 51 229 191 157 575 220 8-M16
5” 125 57 254 216 186 635 230 8-M20
6" 150 57 279 241 216 775 280 8-M20
8" 200 70 343 298 278 940 360 8-M20
10" 250 70 406 362 324 1030 360 12-M22
12" 300 76 483 432 381 1186 400 12-M22
14" 350 76 533 476 413 1365 400 16-M27
16” 400 89 597 540 470 1550 400 16-M27
18” 450 89 635 578 533 1650 530 20-M30
20” 500 114 699 635 584 1860 530 20-M30
24” 600 114 813 750 692 2250 600 20-M33
30” 750 117 985 914 857 2800 600 28-M33
36” 900 117 1170 1086 1022 3650 8 32-M39
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