Dual weir type diaphragm valve (DWTDV)

Dual manufacture a full range of diaphragm valves. Both WO(Weir Orifice) and SO(Stralght Orifice) type. The SO valve can safely handle a line pressure of up to 1600kPa(16 Bar) and they are tested to 2500kPa(25 Bar). All bodies and Bonnets are made from high grade SG42 cast iron and are suitable for lining with various rubber, urethane, ceramic, Halar and Fluorpolymers like PTFE and ECTFE.


  • Valve can be installed in any position
  • Housing acts as a built in indicator
  • Long operating life
  • Full bore, low friction loss
  • 100% Drip tight closure even with solids in the medium
  • Light weight
  • Seals in both directions
  • High flexible diaphragm design reducing closing forces, improves recovery to full open position
  • Enclosed body protects diaphragm from the environment and contaminants in the event of diaphragm failure
  • Fast and easy diaphragm change • Single wearing partNo glands which require regular adjustment
  • Pulp and paper
  • Pneumatic or hydraulic medium can be used to operate the valve
  • Ideal for remote operations
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