Knife Edge Gate Valve

Knife Gate Valve mostly uses to handle powder; high viscous or slurry type thick media service to cut throughout and close the valve.

Nivz Valves & Automation is Knife Gate Valve manufacturers and exporters in Unidirectional and Bi-Directional type, Rising Stem and Non-Rising Stem with Metal to Metal Seat & Soft Seat which mostly use in service of Isolation and On-Off service.

The valve sliding plate (gate) has knife edge, so it is called Knife Gate Valve or Knife Edge Gate Valve which both are same. Previously it was mostly use in service of Powder, Slurry, Pulp and Paper Mill now it use in many more industrial applications. Some user also asks for Slide Gate Valve in place of Knife Edge Gate Valve.

Nivz Valves & Automation and leading manufacturer and exporter of valves to Dubai, Kuwait, Kingdom of Saudi Arabia, Jeddah, Jubail, Malaysia, Thailand, Singapore, Australia, Brazil, Italy, Romania, Azerbaijan, Sharjaha, Abu Dhabi, United Arab Emirates, Egypt, Turkey, Sri Lanka, Yemen, Pakistan, Bahrain, Indonesia, Zambia, Uganda, Netherlands, Philippines, Vietnam, Dominican Republic, Oman, West Africa, Finland and Jordan.

Knife Edge Gate Valve has very simple construction and assembly is with very few parts like Body, Knife Gate, Seat, Gland Flange, Gland Packing and Yoke - Bonnet Assembly.

Each knife gate valve body design is single piece casted heavy duty construction, slide gate plate grinded with lapped and seat integral with body or renewable type as customer request.

Knife Gate Valve use of application in Corrosive Service, Pulp - Paper Mill, Abrasive Slurry, Power Plant, Steel Plant, Mining & Mineral Plant, Dry Material Handling, Sugar Mill, Cement Industries, Waste Water Treatment Plant, Process Chemical Plant and others.

For more detail specification data sheet, technical data sheet, cross section drawing, product catalogue, operation and maintenance manual of Knife Edge Gate Valve contact us.

Nivz manufacture knife gate valve with Manual Hand Wheel Operated, Pneumatic Cylinder Operated, Motorized Actuator Operated, Electrical Actuator Operated, Hydraulic Cylinder Operated, Worm Gear Operated and Chain Wheel Type Gear Operated.

Knife Edge Gate Valve Material of Construction

• Body Design – Unidirectional and Bi-Directional (flow can be from either or side)
• Body Construction – Single Piece Casted, Rugged, Heavy Duty
•  Knife Gate – Knife Gate Plate supply in Stainless Steel (S.S.) 304/316/304L/316L, other special grade on request. Knife Gate both side fully machined, grinded, buffed and lapped at seat contact side with beveled edges to extend life of Gland and Seat.
• Stem – Single Piece from heavy duty round bar with quality square thread and brass or gun metal stem nut to extend life of stem.
• Seat –  

1. Integral Metal to Metal seat as per MSS SP-81 Standard
2. Renewable Type Seat: Elastomer, Rubber Seat (NBR, EPDM, Nitrile, Neoprene, Viton, Silicon Rubber O-Ring)
3. Renewable Type Seat: PTFE (Teflon) Soft Seat
4. Deflection cone with Stellite Hard Face – F6

•  Port Opening – Full Round Port / V – Notch Type