MODEL NO: SKAXRF-NRS
KNIFE GATE VALVE PRODUCT’S SIZE:
PRESSURE GRADE FROM TO
CLASS 150 2” 36”
DESIGN DESCRIPTION:
ONE-PIECE CAST STEEL BODY;
BOLTED GLAND, NON-RISI NG STEM;
INDUSTRY APPLICATION:
PAPER, WATER, WASTEWATER, CHEMICAL,
POWER, STEEL, MINING,
AVAILABLE WITH CHAIN, GEAR, ELECTRIC,AIR
OR,HYDRAULIC ACTUATION.
WORKING PRESSURE AND TEMPERATURE
WORKING 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 API 6D OR API 600
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 GLAND PACKING PTFE/NBR/CARBIDE ALLOY/S.S.
4 GLAND ASTM A216-WCB
5 BONNET BOLT ASTM A193-B7
6 BONNET NUT ASTM A194-2H
7 STEM ASTEM SS304/SS316/CARBON STEEL
8 STEM NUT BRASS/STAINLESS STEEL
9 YOKE PLATE CARBON STEEL
10 YOKE RETAINER ASTM A216-WCB/A351-CF8/A351-CF8M
11 H.W. LOCK NUT CARBON STEEL
12 HANDWHEEL CAST IRON
13 BEARING BRING STEEL
14 YOKE PLATE BOLT ASTM A193-B7
15 YOKE PLATE NUT ASTM A194-2H
16 SEAT NBR/PTFE/S.S/CARBIDE ALLOY
OTHER MATERIALS ARE AVAILABLE UPON REQUEST.
DIMENSIONS LIST(UNIT:MM):
SIZE DN L H W D D1 D2 n-
2” 50 48 398 180 152 121 92 4-19
2-1/2” 65 48 415 180 178 139 105 4-19
3” 80 51 445 220 190 152 127 4-19
4" 100 51 497 220 229 191 157 8-19
5” 125 57 575 230 254 216 186 8-22
6" 150 57 635 280 279 241 216 8-22
8" 200 70 775 360 343 298 278 8-22
10" 250 70 940 360 406 362 324 12-25
12" 300 76 1030 400 483 432 381 12-25
14" 350 76 1186 400 533 476 413 12-28
16” 400 89 1365 400 597 540 470 16-28
18” 450 89 1620 530 635 578 533 16-32
20” 500 114 1720 530 699 635 584 20-32
24” 600 114 1860 600 813 749 692 20-35
30” 750 117 2250 600 887 846 813 44-22
36” 900 117 2800 800 1057 1009 972 44-26
* We hereby reserve the rights of any alternative dimension that would help to improve our