Model No.: SJ-GV-11 Hits: 57
PZ43 Manual Knife Gate Valve
Knife Gate Valve is used to slice through sludge or sewerage and a gate is used fro normal positive shut off .It is a gate valve design that is distinguished from the standard design by the use of a simple metal plate for the gate and the absence of a bonnet; also called a slide valve.
Knife gate valve is a uni-directional or bi-directional valve designed for general industrial service applications. Knife gate valves used for pressure tight isolation of solid-liquid mixes in water and waste water treatment plants and pumping stations, paper and pulp plants, power plants and mining industry.
Nominal Pressure (MPa) |
Test Pressure(MPa) | Working Temperature ℃ |
Suitable Medium | |
Shell | Seal | |||
1.0 | 1.5 | 1.1 | Rubber seal ≤ 80℃ | Pulp, sewage, coal slurry, ash, syrup, slag and other mixtures |
1.6 | 2.4 | 1.8 | Metal seal ≤ 425℃ |
Material
Body, Bonnet | Disc | Stem | Sealing surface |
Stainless steel Carbon steel Gray cast steel |
Stainless steel Carbon steel |
Stainless steel | NBR PTFE Stainless steel Hard alloy |