Shanghai Jianggong Valve Manufacturing Co., Ltd.
Shanghai Jianggong Valve Manufacturing Co., Ltd. Industrial valve expert With safe and reliable products To provide you with thoughtful services
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ANSI Class150 Cast Steel Stainless Steel WCB 304 316 2250 Knife Gate Valve
Product introductioin:
A knife gate valve operates by permitting easy flow of thick media over soft seals with no obstruction. The media is cut up as it passes through the valve, which is how they function. These valves are now available in huge sizes and are employed in different processing plants all over the world. These valves are meant to seat the blade into a soft seal without causing any disruption, although they have low-pressure restrictions. It closes completely against a soft sealing barrier by elevating a plate with a planar or “knife” edge out of the flow passage. This edge can physically cut through various obstructions during closing. This supple sealing surface is often only appropriate for use in relatively low-pressure systems because it was not made to withstand high pressure.
Product technical paratmeters:
| Nominal Diameter DN | 2”~40” | |
| Nominal Pressure PN | 150LB | |
| Test Pressure (MPa) | Strength (water) | 0.3MPa |
| Enclose (Water) | 0.3MPa | |
| Main Components | Body | Ductile iron, cast steel, Stainless steel |
| Plate | Ductile iron, cast steel, Stainless steel | |
| Support | Ductile iron, cast steel, Stainless steel | |
| Stem | Stainless steel | |
| Packing | Soft Graphite | |
| Working temperature | ≤80℃ | |
| Medium suitable | Pulp, sewage, coal slurry, ash, slag water mixture | |
| Connection | Wafer connection | |
| Driven method | Hand-wheel, bevel gear, pneumatic and electric actuators | |
Product features:
1. It has a simple form, ultra short structural length, saves materials, and can greatly reduce the overall weight of the pipeline system, with a wide range of applications.
2. It occupies less effective space and can effectively support the strength of pipelines, reducing the possibility of pipeline vibration.
3. The gate is made of austenitic stainless steel, which greatly improves its corrosion resistance and can effectively prevent sealing leakage caused by gate corrosion.
4. The upper sealing filler adopts flexible PTFE, which is reliable in sealing and easy to operate.
5. The gate has the function of a knife, which can effectively cut off various impurities in the medium.