Knife Edge Gate Valve
MOC: CI, DI & Gunmetal
The knife gate is a bi-directional wafer valve designed for media with high consistency. The double seat design assures a non-clogging shut off on either normal or reverse flow. The valve is used in a wide range of demanding applications in industries such as:
- Pulp & Paper
- Wastewater Treatment Plants
- Chemical plants
- Power Plants.
Sizes: DN 50 to DN 1000 (larger diameters on request)
Working pressure:
DN 50 to DN 125 10 bar
DN 150 to DN 250 8 bar
DN 300 to DN 400 6 bar
DN 450 5 bar
DN 500 to DN 600. 4 bar
DN 700 to DN 1000 2 bar
Standard flange connection:
DIN PN 10 and ANSI B16.5 (class 150)
Other flange connections are available on request such as:
DIN PN 6 DIN PN 16 DIN PN 25
BS “D” and “E” ANSI 125
Maximum Working Temperature : 45°C
Directives:
2006/42/CE (MACHINES)
2014/68/EU (PED) Fluid: Group 1(b), 2 (Cat. I, mod. A)
2014/34/EU (ATEX)
Knife Edge Gate Valve
Part No. | Part | Cast Iron | Stainless Steel |
1 | Body | GJL250(GG25) | CF8M |
2 | Body | GJL250(GG25) | CF8M |
3 | Gate | AISI 304 | AISI 316 |
4 | Seat | Metal or EPDM | |
5 | Packing | PTFE Impreg. Synth. Fibre (ST)+O-ring | |
6 | Gland Follower | Aluminium (DN50-300) Ductile Iron (DN350-1000) | CF8M |
7 | Seat Retainer Ring | AISI 304 | - |
8 | Yoke | Carbon Steel - Epoxy Coated | |
9 | Stem | AISI 430 | |
10 | Stem nut | Brass | |
11 | Friction washer | Brass | |
12 | Handwheel | GJS400 (GGG40) | |
13 | Stem Protector | Epoxy-coated Carbon Steel | |
14 | Cap | Plastic | |
15 | Gasket | Aramid fibres | |
16 | Nut | Zinc plated Carbon Steel |