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Difference between knife gate valve and gate valve
Release time:
Mar 28,2025
Difference between knife gate valve and gate valve
What is the difference between a knife gate valve and a gate valve? Compared with the ordinary gate valve, knife gate valve structure is simple, the opening and closing member is the gate, the movement direction of the gate is perpendicular to the direction of the fluid, it is small in size, flexible in operation, but also easy to install, is more suitable for the consistency of the higher and solid particles of the media.
From the name we can see that the knife gate valve mainly relies on the knife edge gate to cut off the media, the gate has two sealing surfaces to form a wedge, gate can be made into an integrated rigid Gate can be made into a whole rigid gate, can also be made to produce a small amount of deformation, from the process to improve the sealing of the elastic gate, to summarize: knife gate valve compared to ordinary gate valve mainly highlights the following product advantages:
1、U-type gasket has good sealing effect.
2, Full diameter design, so that the media through the ability to be strong, while being able to work in the dirt media easy to install, easy to disassemble, easy to maintain, without removing the valve can replace the valve seals, making the valve maintenance is more simple.
3, With the gate knife function of the gate breaks the effect is good, can effectively break the media in all kinds of debris, to solve the leakage phenomenon containing blocks, particles and fibers after the media gate breaks.
4, Knife gate valve's ultra-short structural length of small size, small flow resistance, light weight, saving materials, occupies little effective space, knife gate valve price is higher than the ordinary gate valve is about 20% or so, but its better performance has been generally recognized by the market.
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