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| Class 150 Knife Gate Valve |
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Class 150
Size: NPS 2"~ 64", 50 ~ 1,600mm
Design standards: ANSI B16.34, MSS SP-81
Inspection and test standards: API 598
Face-to-face: MSS SP-81
Ends Connection: ANSI B16.5, JB 79
Material: WCB, CF8, CF8M, CF3, CF3M
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CLASS 150 Knife Gate Valve |
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Test Pressure to API 598
Class |
Shell Test (Hydrostatic) |
Seat Test (Hydrostatic) |
150 |
450psi |
315psi |
Standard Material Specifications
Body/bonnet |
Disc |
Stem |
Seat |
SS/CS/CI |
SS |
SS |
Carbide Alloy |
Main Connection Dimensions
Class |
NPS |
L |
D |
D1 |
D2 |
H |
N-M |
D0 |
150Lb |
2" |
48 |
152 |
120.5 |
92 |
398 |
4-M16 |
180 |
2 1/2" |
48 |
178 |
139.5 |
105 |
415 |
4-M16 |
180 |
3" |
51 |
190 |
152.5 |
127 |
445 |
4-M16 |
220 |
4" |
51 |
229 |
190.5 |
157 |
497 |
8-M16 |
220 |
5" |
57 |
254 |
216 |
186 |
575 |
8-M20 |
230 |
6" |
57 |
279 |
241.5 |
216 |
635 |
8-M20 |
280 |
8" |
70 |
343 |
298.5 |
270 |
775 |
8-M20 |
360 |
10" |
70 |
406 |
362 |
324 |
940 |
12-M22 |
360 |
12" |
76 |
483 |
432 |
381 |
1030 |
12-M22 |
400 |
14" |
76 |
533 |
476 |
413 |
1186 |
16-M27 |
400 |
16" |
89 |
597 |
540 |
470 |
1365 |
16-M27 |
400 |
18" |
89 |
635 |
578 |
533 |
1620 |
20-M30 |
530 |
20" |
114 |
699 |
635 |
584 |
1720 |
20-M30 |
530 |
24" |
114 |
813 |
749.5 |
692 |
1860 |
20-M33 |
600 |
30" |
117 |
985 |
914 |
857 |
2250 |
28-M33 |
600 |
36" |
117 |
1170 |
1086 |
1022 |
2800 |
32-M39 |
800 |
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