Unidirectional Knife Gate Valve
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Description
Unidirectional Knife Gate Valve
Body: Carbon Steel, Ductile Iron, SS316
Knife: SS304, SS316
Disc: SS304, SS316L
Wedge: SS304, SS316, SS316L
Packing: PTFE
Seal Ring: Polyurethane, EPDM, NBR, VITON
Yoke: SS304, SS316
Packing Gland: CF8, WCB
Nominal Size: DN50 to DN450
Nominal Pressure: Class150 to Class30, PN10
End Type: Wafer Type, Lug Type
Operation: Handwheel, Electric Actuated, Pneumatic Actuated
Design and Manufacture Standard: MSS SP-81
Face to Face Dimension: MSS SP-81
Flanged End Dimension: DIN, JIS
Inspection and Test: API 598
Dimensions
PN10
| DN | L | D | D1 | D2 | DO | N-Th | d | H1 |
| 50 | 48 | 165 | 125 | 99 | 180 | 4-M16 | Φ18 | 260 |
| 65 | 48 | 185 | 145 | 118 | 200 | 4-M16 | Φ18 | 292 |
| 80 | 51 | 200 | 160 | 132 | 240 | 8-M16 | Φ18 | 320 |
| 100 | 51 | 220 | 180 | 156 | 260 | 8-M16 | Φ18 | 358 |
| 125 | 57 | 250 | 210 | 184 | 280 | 8-M16 | Φ18 | 395 |
| 150 | 57 | 285 | 240 | 211 | 280 | 8-M20 | Φ23 | 450 |
| 175 | 57 | 305 | 265 | 237 | 280 | 12-M20 | Φ23 | 504 |
| 200 | 70 | 340 | 295 | 266 | 300 | 8-M20 | Φ23 | 532 |
| 250 | 70 | 395 | 350 | 319 | 320 | 12-M20 | Φ23 | 670 |
| 300 | 76 | 445 | 400 | 370 | 350 | 12-M20 | Φ23 | 758 |
| 350 | 76 | 505 | 460 | 429 | 400 | 16-M20 | Φ23 | 857 |
| 400 | 89 | 565 | 515 | 480 | 450 | 16-M24 | Φ27 | 946 |
| 450 | 89 | 615 | 565 | 530 | 500 | 20-M24 | Φ27 | 1023 |
Additional information
| Body Material | Carbon Steel, Ductile Iron, SS316 |
|---|---|
| Class | 150/PN16 |
| Connection Type | Flanged, Lug type, Wafer type |
| Size | 10", 12", 14", 16", 18", 2 1/2", 2", 20", 24", 3", 4", 5", 6", 8" |
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