D.J. Gongol and Associates, Inc. represents the Flexible Valve line of pinch valves. Flexible Valve rightly calls itself the "Original Pinch Valve Company." Located in South Hackensack, New Jersey, Flexible Valve first developed the pinch valve for use with coal slurries in the mines of eastern Pennsylvania, and since then they've developed hundreds of applications for pinch valves.

Where can you find pinch valves in service?
  • Wastewater treatment plants use pinch valves wherever sludge flows need to be controlled. Because pinch valves use the rubber body of the valve itself to control the rate of flow, they keep all working parts out of the sludge. Pinch valves are also ideal for controlling the flow of grit.

  • Water treatment plants use pinch valves to control the flow of lime slurries and other thick-flowing fluids. Pinch valves are ideal for corrosive chemicals, because the only part of the valve in contact with the fluid is the rubber valve sleeve itself. Flexible Valve pinch valves are available in a wide range of materials, so there's a resilient option available for nearly every kind of chemical.

  • Food processors use pinch valves for weighing, filling, and processing systems. Pinch valves are extraordinarily versatile, making them ideal for controlling liquid flows as well as solids that behave like fluids.

  • Power plants find pinch valves useful for a wide range of applications, from flue gas desulfurization scrubbers to fly ash handling to controlling coal, coal oil, and ash slurries.

  • Mining industries use pinch vlaves for lime control, dust collection, slurry controls for thickening clarifiers, and leaching processes.

  • Chemical systems offer dozens of potential applications for pinch valves, including lime addition and pH control systems, control of dirty and viscous chemicals, pump isolation, and back-pressure systems.
The ultimate advantage to pinch valves is their flexibility -- in more than one sense. The pinch valve works where other valves can't because the flexible sleeve pinches around whatever fluid you're trying to handle.
  • Corrosive chemicals? No problem -- just choose the right rubberized elastomer for your application.

  • Solids in your flows? No problem -- because it's rubberized, the pinch valve sleeve closes tight around almost any solid. Gate valves and other mechanical valves can't do that.

  • Head losses important? No problem -- pinch valves often have significantly lower head losses than any other kinds of valves. Pinch valves can give you comparatively precise flow controls at a minimum of friction loss.
Pinch valves from the Flexible Valve Corp. can be an efficient and economical solution to many flow-control problems. Contact us for design assistance or quotes by using our request page and we'll be happy to assist you.

last revised 10.10.2005