Knife Gate Valve – Nahrab Gostar
KNIFE VALVE
Knife Gate Valve
DN: 50–600 mm | PN: 6 and 10 bar Knife gate valves are designed for viscous, adhesive, slurry, and solids-laden media. Typical applications include wastewater, chemical sludge, syrups, thermal power plants, pulp and paste processes, food-processing lines, and powder-handling systems.
Knife gate valves are designed for viscous, adhesive, slurry, and solids-laden media. Typical applications include wastewater, chemical sludge, syrups, thermal power plants, pulp and paste processes, food-processing lines, and powder-handling systems.
Product features and advantages:
- No blade contact with body when moving (upward and downward) through a packing layer.
- Replaceable sealing components.
- Low pressure loss.
- Easy installation due to the valve’s low weight.
- Final valve testing in accordance with DIN EN 12266-1.
- Curved blade design that extends packing service life.
- Flange dimensions in accordance with DIN EN 1092.
Corrosion Protection:
Electrostatic epoxy powder coating with a minimum dry-film thickness of 250 μm, suitable for potable-water applications.
No. | Part Name | Material | Spare Parts |
1 | Body | Ductile iron (GJS 400-15) | |
2 | Blade | Stainless Steel (1.4301) | • |
3 | Stem | Stainless Steel (1.4021) | |
4 | Stem Nut | Bronze | |
5 | Support | St 37-2 | |
6 | HandWheel | Ductile iron (GJS 400-15) | |
7 | Gasket Clamp | Ductile | |
8 | Support Plate | St 37-2 | |
9 | Packing | Graphite | • |
10 | Bolts | A2 or Galvanized Steel | |
11 | Sealing | EPDM or NBR | • |
12 | Rubber Holder | Stainless Steel (1.4301) | |
13 | Stud Bolt | A2 or Galvanized Steel | |
14 | Rubber | EPDM or NBR | • |
Technical drawings for this valve will be uploaded soon.