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.
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