Product Details
The Unidirectional Seal Knife Gate Valve is designed for slurry, pulp, sewage treatment, and other demanding fluid-control applications. The wafer or lug body structure, replaceable valve seat, and knife-gate disc support reliable shut-off performance in pipelines containing solids or viscous media.
Structure Parts
| No. | Part |
|---|---|
| 1 | Stem Cover |
| 2 | Hand Wheel |
| 3 | Bearing |
| 4 | Stem Nut |
| 5 | Stem |
| 6 | Disc |
| 7 | Yoke |
| 8 | Seat |
| 9 | Seat Cover |
| 10 | Yoke Head |
| 11 | Packing Gland |
| 12 | Packing |
| 13 | Bolt |
| 14 | Body |
Working Pressure
| Size Range | Working Pressure |
|---|---|
| DN50-DN100 | 16 bar |
| DN125-DN200 | 10 bar |
| DN250-DN400 | 7 bar |
| DN450-DN600 | 5 bar |
| DN650-DN750 | 4 bar |
| DN800-DN900 | 3 bar |
| DN1000 | 2 bar |
| DN1100-DN1400 | 1 bar |
Technical Specifications
| Item | Specification |
|---|---|
| Type | Wafer, Lug |
| Design Standard | MSS SP-81 |
| Flange Standard | DIN PN10, PN16, 150LB, JIS 10K, TABLE E/D |
| Face to Face | MSS SP-81 |
| Testing Standard | API-598 |
| Operation | Manual, electric, pneumatic, hydraulic, sprocket, electro-hydraulic, gear lever |
| Main Material | F55, F53, 2205, CF3M, CF8M, CF8, WCB, GGG40 |
| Disc Material | F55, F53, 2205, SS310, SS316L, SS316, SS304 |
| Sealing Material | NBR, EPDM, PTFE, FKM, graphite, metal |
| Packing | Aramid fiber, high-water based fiber, rubber, PTFE, graphite |
| Applicable Medium | Pulp, cement slurry, gold ore powder, coal slurry, chemical sewage treatment, sedimentation tanks, asphalt, acid, and other liquid media |
