Butterfly
Valves

Design & Construction

Protek : Butterfly Valves is available in sizes 11/2 – 48″ (32 mm – 1200 mm) and in a range of resilient seat materials we offer a variety of actuator options including levers, gearboxes, pneumatic cylinders and electric motors.

A full complement of accessories is also available.

Major Markets

Water & waste water, Paper & pulp, mining, chemical, power, OEM, dry solids, food processing, HVAC, Power Generation, General process applications.

Features & Benefits

Lugged, Wafer & Duble Flanged Body style

High integrity precision cast one piece boby

Valves in accordance with BS 5155, DIN 3202 K1, ISO 5752, API 609, MSS SP67

Fully Bi-directional Bubble tight Shut off

Pressure Rating to 16 Bar

This Profile concentric spherical disc for high flow capacity

Solid one-piece blow out proof shaft eliminates the need for pins or bolts, which create additional leak paths and turbulence.

Direct actuator mounting full ISO 5210 compatibility

Low pressure drop

Low maintenance costs

Corrosion resistant bodies & discs

Body, Discs & Seat Material Options

Flange Drilling options DIN, ANSI, BS & JIS

Low operating torques

Light weight & dimensionally compact

Knife Gate
Valve

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.

Major Markets

Water & wastewater, 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

Interchangeability of actuators without disassembling of valve

Replacement of the seat ring without disassembling of valve