Knife gate valve manufacturer in India

Knife gate valve manufacturer in India

2 December 2022
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Id: 22433
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Specialityvalve has been the greatest  Knife gate valve manufacturer in India. A knife gate valve is like a gate valve.  It works by lifting a plate with the knife edge from the path of flow that can cut through various obstacles during closing and create complete closure against a soft sealing surface. The soft sealing surfaces generally dictate use in low pressure systems rather than designed to handle high pressure. Both knife and gate valves are primarily designed for isolation or on/off service rather than a partial flow application.

Knife gate valves are linear valves in which the closing layer is a gate that is sharpened to better cut through the process media like slurry.  The gate is attached to a stem and travels inside the body in which scrappers are often included to clean the gate as it moves from open to closed. It can be manual or automated and are very less versatile and can be used in both isolation and applications.

Gate Valve is a valve that opens by lifting a barrier out of a path of a fluid. It is designed with a fully open or closed service. Operation of a gate valve is performed either clockwise to open or clockwise to close. The gate moves up or down on the threaded part of the stem. Gate valves should not be used for the regulation of flow because accurate control is not possible.

Types of Knife Gate Valve:

  •  Unidirectional Knife Gate Valve
  • Bidirectional Knife Gate Valve

Industries of Knife Gate Valve:

  • Chemical industry
  • Refineries
  • Mining and Mineral process
  • Power Plant
  • Cement Industry

The difference between the knife gate valve and gate valve:


Knife valve Gate valve
It has a packing gland to seal around the gate.

Knife valves are uni-directional

It is cost friendly compared to its counterpart

Its seats come in metal to resilient types


It has a v-ring packing set to seal the shaft attached to the gate.

Gate valves are bi-directional

It is an expensive option compared to its counterpart

It is only available with metal seats




Advantages of knife gate valve:

  • It has Low Fluid Resistance
  • It provides Superior Sealing Performance
  • Easy to maintain and low-cost installation
  • It is lightweight which makes them easy to transport
  • It is easy to install


Available materials- SS306, SS904, SS316, Aluminium Bronze, Monel, Bronze, Brass, Duplex steel, Inconel, Titanium, WCB, CF8, CF8M, CF3, CF3M, WC1, WC6, WC9, Cast iron

Size- 1/2″- 64”

Class-150 to 2500

Nominal Pressure- PN10 to PN450

Operation- Hand Wheel, Gear operated, Electric and Pneumatic Actuated

Ends-Flanged, Buttweld, Socket weld, Threaded

Standards ASME, API6D, API607, DIN, BS, ANSI, AWWA

Contact Information
Address: India,
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