Knife Gate Valve Features


Features

Stacked seats

Replaceable AR400 Abrasion Resistant Steel Outlet Seats

Unique design features of the Power and Industrial Services Knife Gate Valve Series

Coal Line Shut-Off Knife Gate Valve, Pneumatic Cylinder Operated; Designed for Positive Shut-Off in a Pulverized Coal Conduit:

  • Rated for NFPA 8503 50 PSI pressure excursion
  • Replaceable AR400 Abrasion Resistant Steel Outlet Seat with machined sealing surface
  • Fabricated Laminate Style Steel Body
  • Ground and Polished tombstones shaped 304 Stainless Steel Gate
  • Hardened Tool Steel Replaceable Cam Buttons 180˚ apart for even sealing pressure
  • “Open” and “Close” visual indicators
  • Limit switches as needed for automation
  • High temperature, replaceable packing
  • Integrated clean out ports
  • Heavy-duty pneumatic cylinder operator with P&I’s ‘Hammer Blow’ gate coupling delivers a sudden impact to start gate movement at the onset of each stroke
  • Available in both pneumatic and manual with hand wheel

Applications: Mill Shutoff, exhauster shutoff, burner isolation, coal line isolation
Sizes: 8″ and above. Custom sizes available
Operation: Pneumatic or Manual
Materials: Stainless steel gate, AR400 seat, Tungsten Carbide thermal spray coated internals

Knife Gate Valve Diagram
Knife Gate Valve Diagram

Power & Industrial Services can supply any special adapting pieces needed for an easy installation.

  • Hoppers
  • Spools
  • Tees
  • Hardware

Knife Gate Valve

Hammer blow coupling helps drive the gate to closure.

Hammer blow coupling helps drive the gate to closure.

Exhauster discharge—replacing butterfly valve

Exhauster discharge—replacing butterfly valve

Hammer Blow Coupling

Chain Drive - Replaceable Seat

Chain Drive – Replaceable Seat

Pulverizer Outlet Installation

Pulverizer Outlet Installation
Pulverizer Outlet Installation