Application scenarios of knife gate valves

The knife gate valve, named for its gate resembling a blade, is a relatively simple but powerful shut-off valve. Its advantage lies in the fact that the gate can be vertically embedded into the valve seat, providing a nearly leak-free and tight cut-off. It is particularly adept at handling media containing solid particles, fibers, slurry or those prone to scaling. These characteristics make it a key device in multiple industrial fields.

Knife gate valves provided by Viti of Germany

In the mining and mineral processing industries, knife gate valves are the preferred choice for transporting abrasive and high-solid content fluids such as pulp, tailings, and concentrates. Its full-bore design (when opened, the flow channel is basically the same as the inner diameter of the pipe) can effectively prevent clogging. The sharp gate plate can easily cut off the material flow, ensuring the smooth operation of the system and reliable isolation.

Knife gate valves are widely used in the field of sewage treatment. Whether it is treating raw sewage containing a large amount of suspended solids and fibrous impurities, primary sedimentation sludge, or concentrated activated sludge, the knife gate valve can effectively cut off these viscous and easily sedimentable media. Its structure is simple, with low flow resistance, which also reduces energy consumption and maintenance requirements.

In the chemical and petrochemical industries, knife gate valves are often used to handle process media containing particles, powders or with a tendency to crystallize, such as catalyst slurry, fly ash water mixtures, salt solutions, etc. Its tight seal can prevent the leakage of dangerous materials. Some specially designed knife gate valves can also adapt to certain high-temperature or corrosive environments.

In the papermaking industry, pulp is a typical fluid with a high fiber content. Knife gate valves, with their ability to cut fibers and their resistance to clogging, are widely used in the slurry conveying pipelines of pulping, papermaking and other sections to achieve process control and equipment isolation.

The ash and gypsum slurry discharge pipelines of the power and thermal systems also rely on knife gate valves. It can reliably cut off these abrasive and easily caking slurry-like wastes, ensuring the safe and stable operation of the system.

In conclusion, the knife gate valve, with its outstanding shut-off capacity, low flow resistance, anti-clogging characteristics and simple structure, has become an important role in handling solid-containing media, slurries and various industrial pipeline systems that require reliable and tight shut-off. It is especially suitable for complex working conditions where traditional valves are prone to failure.

The advantages of the German Vitti knife gate valve lie in its structural design for working conditions with solid-containing, high-viscosity and easily deposited media, sealing performance, excellent wear resistance, as well as the resulting long service life, low maintenance and high reliability. These characteristics make it a valve type in many demanding industrial fields, demonstrating the sophistication and pragmatism of German engineering technology.