Stainless Steel Knife Gate Valve
Features
Body Design |
Integral body with full bore structure |
Seat Design |
Side-entry & Preloaded seat |
Beveled knife edge |
Strong cutting stress and tight sealing |
Leakage Level |
Bubbles-tight sealing with no leakage |
Double thrust bearing |
Operation easy and flexible |
Replaceable Seat Design |
Unidirectional Seal |
Valve Structure |
Outside Screw & Yoke |
Certificates |
ISO9001, CE, WRAS, ACS |
Specifications
Design Standard |
MSS SP-81 |
End Flange Standard |
EN 1092 PN10, ASME B16.5 Class 150 |
Face to Face Dimension |
MSS SP-81 |
Testing Standard |
API 598 |
Temperature |
-20℃~120℃(depends on the sealing material) |
Body Material |
CF8, CF8M, 2205, 2507, etc |
Wedge Material |
Stainless Steel |
Shaft Material |
Stainless Steel |
Seat Material |
EPDM, NBR, PTFE, STL |
Operator |
Handwheel |
Dimension

| Size | L | PN10 | ANSI 150LB | H | ||||
| Ф D | N-Th | Ф d | Ф D | N-Th | Ф d | |||
| DN50 | 48 | 125 | 4-M16 | ∅18 | 121 | 4-5/8"UNC | ∅19 | 395 |
| DN65 | 48 | 145 | 4-M16 | ∅18 | 140 | 4-5/8"UNC | ∅19 | 436 |
| DN80 | 51 | 160 | 8-M16 | ∅18 | 153 | 4-5/8"UNC | ∅19 | 478 |
| DN100 | 51 | 180 | 8-M16 | ∅18 | 191 | 8-5/8"UNC | ∅19 | 545 |
| DN125 | 57 | 210 | 8-M16 | ∅18 | 216 | 8-3/4"UNC | ∅22 | 630 |
| DN150 | 57 | 240 | 8-M20 | ∅23 | 242 | 8-3/4"UNC | ∅22 | 705 |
| DN200 | 70 | 295 | 8-M20 | ∅23 | 299 | 8-3/4"UNC | ∅22 | 890/1065 |
| DN250 | 70 | 350 | 12-M20 | ∅23 | 362 | 12-7/8"UNC | ∅25 | 1065/1230 |
| DN300 | 76 | 400 | 12-M20 | ∅23 | 432 | 12-7/8"UNC | ∅25 | 1200/1415 |
| DN350 | 76 | 460 | 16-M20 | ∅23 | 476 | 12-7/8"UNC | ∅25 | 1375/1590 |
| DN400 | 89 | 515 | 16-M24 | ∅27 | 540 | 16-1"UNC | ∅29 | 1525/1740 |
| DN450 | 89 | 565 | 20-M24 | ∅27 | 578 | 16-1 1/8"UNC | ∅32 | 1810 |
| DN500 | 114 | 620 | 20-M24 | ∅27 | 635 | 20-1 1/8"UNC | ∅32 | 1950 |
| DN600 | 114 | 725 | 20-M27 | ∅30 | 750 | 20-1 1/4"UNC | ∅35 | 2205 |











