Protek The Industry Valve Specialist
Manufacturers of Industrial Valves


Protek Knife Gate Valve

Knife Gate Valves

Design & Construction

Protek : Knife Gate Valves are available in sizes 2" - 48" (50 mm - 1200 mm) and in a range of body & seat materials we offer a variety of actuator options including rising stem & non-rising stem hand wheel, pneumatic cylinder, levers, bevel gearbox, chain wheels & electric motors. A full complement of accessories including deflection cones and purge points are also available.

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Major Markets

Water & waste water, Paper & pulp, Mining, Chemical, Power, OEM, Dry solids, Food processing, Sugar processing, Breweries, HVAC, Power Generation, General process applications.

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Features & Benefits

One-piece solid cast body in either Cast/Ductile Iron, Carbon Steel or Stainless Steel

Choice of unidirectional or bi-directional shut off

Choice of metal or soft-seated design

Epoxy coating suitable for Portable water applications

Precision cast jams & guides in seating area

Profiled packing gland with machined oval edges to provide improved sealing performance

Triple-packing arrangement of fibre & one-piece resilient material

Provides superior sealing characteristics and easy field adjustment or replacement

Integral safety stem protector

Epoxy coated safety side protection/support plates

Easy & discreet mounting of switches and accessories

Inter changeability of actuators without disassembling of valve

Replacement of seat ring without disassembling of valve