PRODUCT DETAILS
Knife gate valve Introduction
The knife gate valve is designed to efficiently regulate and control fluid flow in industrial applications. Its sharp-edged gate provides precise and reliable shut-off, preventing leakage and minimizing pressure drop. With its durable construction and easy maintenance, this valve is a crucial component for efficient and safe operations.
Knife gate valve Drawing

Standard of implementation
| Attribute | Details |
|---|---|
| Type | Flange |
| Face to Face | API609, BS5155, DIN3202, ISO5752 |
| Flange | DIN, BS, UNI, ISO, ANSI, AS, JIS |
| Mounting Flange | ISO5211 |
| Working Pressure | PN16 (200 PSI) |
| Application | HVAC, Water Supply & Sewage, Food & Beverage, Chemical/Petrochemical Processing, Power and Utilities, Paper and Pulp, Ship Building |
Standard Materials Of Main Parts
| NO | PART NAME | MATERIAL |
|---|---|---|
| 1 | Body | Ductile Iron |
| 2 | Oring | NBR |
| 3 | Sealing | NBR/EPDM |
| 4 | Disc | 316 |
| 5 | Packing | PTFE |
| 6 | Gland | WCB |
| 7 | Bolt | 201 |
| 8 | Nut/Bolt | 201 |
| 9 | Pin | 201 |
| 10 | Split pin | 200 |
| 11 | Yoke | A3 |
| 12 | Stem | 2cr13 |
| 13 | Yoke Head | WCB |
| 14 | Stem Nut | Brass |
| 15 | Bearing | Zchsnsb10-6 |
| 16 | Yoke head cap | WCB |
| 17 | Nut | 201 |
| 18 | Handwheel | Ductile Iron |
Dimensions:(mm)
| DN | SIZE | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| L | D | D1 | D2 | D0 | N-Th | d | H | H1 | |
| 65 | 48 | 185 | 145 | 118 | 180 | 4-M16 | Ø18 | 335 | 415 |
| 80 | 51 | 200 | 160 | 132 | 220 | 8-M16 | Ø18 | 360 | 455 |
| 100 | 51 | 220 | 180 | 156 | 240 | 8-M16 | Ø18 | 400 | 515 |
| 125 | 57 | 250 | 210 | 184 | 240 | 8-M16 | Ø18 | 455 | 595 |
| 150 | 57 | 285 | 240 | 212 | 280 | 8-M20 | Ø23 | 510 | 675 |
| 200 | 60 | 340 | 295 | 266 | 300 | 12-M20 | Ø23 | 585 | 805 |
| 250 | 70 | 405 | 355 | 319 | 320 | 12-M24 | Ø27 | 695 | 965 |
| 300 | 76 | 460 | 410 | 370 | 320 | 12-M24 | Ø27 | 765 | 1085 |
