Sunco Inc.
P.O. Box 77926 | Charlotte, NC 28271
Phone:  (704) 545-3922| Fax:   (704) 285-0488


Sunco Powder Systems


(704) 545-3922

© 2024 Sunco Powder Systems, Inc.

Knife Gate Valve
Knife Gate Valve

Sunco Knife Gate Valves are available in wide range of constructions and sizes.  Our most common Knife Gate has a solid one-piece cast body, with integrally cast gate jams and guides. They are full port and designed with blow out proof packing glands and nylock locking nuts. 

We have over 1,000 Knife Gate Valves in stock with multiple models to choose from.  Available types of actuation include hand-wheels, gears, chain wheels, as well as air cylinders.  Our valves are stocked in 304 SS, 316 SS, 317 SS, WCB Steel, and Ductile Iron.  We stock sizes from 2" to 48".

Our valves are designed and tested to Tappi TIS 405-8 and MSS-SP81 standards. Our full lug pattern flanges conform to ASME B16.5.

Types of Knife Gate Valves Available

  • Metal and resilient seated knife gate valves
  • Split ductile body knife gate valves
  • Bonneted knife gate valve
  • Fabricated and custom designed knife gate valves

Available Features Include

  • Sizes ranging from 2" to 90"
  • Materials of construction includes cast iron, cast 304/316 SS, Alloy 20, Hastelloy, Titanium, Monel, Inconel and others
  • Drip-tight shutoff
  • Positive shut-off in both directions
  • Compact wafer configuration to Tappi and MSS standard face to face
  • Non-clogging, full-port design
  • 150 PSI+ working pressure

We also offer custom-Designed Knife Gate for any specifications

Brochures (Sample Listing)

Stainless Steel/Handwheel

Resilent Seat/Handwheel