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  • Mirab Co.

Knife Gate Valve with Pneumatic Actuator

Size (mm) : 50-1000
Pressure rating : 2-10 (bar)
Body Material: All Types of Ductile Cast Iron, Cast Steel, Stainless Steel, Copper Alloys
Disc Material: Stainless Steel

Knife valves are designed for top performance and a long maintenance free lifetime. The stainless steel Knife gate is precision – buffed for tight shut off. Its knife – like edge cuts through heavy or high viscous fluids. Knife edges are machine chamfered to reduce packing wear. The brass stem nut makes opening & closing the valve smooth and speedy with low torque requirements. Knife valve can be installed between two pipe flanges as wafer type and shall be used in different industries. Because of special design the least contact would be occurs between moveable parts and body. The gate moves upward and downward through layers of packing without any touching the body and never collect any heavy viscous fluids or pulverized material and powder on the blade. Knife valve can tolerate heat expansion as hot fluid pass through. Knife valves can be installed at the end of pipe line as a lug.

Corrosion protection:

All casting parts are coated with epoxy powder RAL 5005 or 5015 by electrostatic method.


  • Syrups.
  • Chemical plants.
  • Thermal Power Plants.
  • Displacing powder material .
  • Food and drinking industries.
  • Paste industries particularly paper paste .
  • Glue and adhesive production with heavy viscosity, sewage water, chemical sludge.