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Dual’s Pinch Valve consists of a tough, but flexible full bore sleeve, which forms part of the pipeline. The valve is closed mechanically via movement of the pinch Bars located on opposite sides of the sleeve. The core of the Dual Pinch Valve is the sleeve — this sleeve is reinforced with high-strength fabric. The valves are well suited for on/off and throttling control applications where scale build up is a problem.



  • Mining and mineral processing
  • Power generation
  • Sand and gravel
  • Chemical and soda ash
  • Pulp and paper
  • Environmental and effluent
  • The Dual Pinch Valves double-enclosed body with easily replaceable, flexible rubber sleeves
  • Thrust bearing for ease of opening and closing (handwheel type)
  • Long operating life
  • Full bore, low friction loss
  • 100% drip tight closure even with solids in the medium
  • Rising spindle
  • Seals in both directions
  • High flexibility sleeve design reduces closing forces, improves recovery to full open position
  • Enclosed body protects the sleeve
  • Fast and easy sleeve change
  • Single wearing part
  • Positive opening tags
  • Unobstructive flow reduces pumping costs
  • No glands which require regular adjustment
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