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COMPACT PLASTIC VALVE MANIFOLDS

Posted: Monday 23rd June 2014

Water and chemicals processes are handled by the latest Plastic Valve manifold designs from the Gemü Group. These pioneering new product concepts take bespoke valve manufacture to completely innovative areas of piping design.

The old or “normal” way to pipe up plastic systems is to integrate manifolds made of tee pieces, elbows and pipe sections to form the through-ways that lead to valves where the control is based for inputs, mixing, diverting, outputs, cleaning, sterilising or draining. What GEMÜ have achieved is to take the complete manifold inside a block of material and then machined the valves into the same piece of plastic! Result: tiny overall mass and dimensions compared to assembled manifolds and less connecting joints = less potential leaks.

In the water treatment industry an ideal application are chemical dosing units which are often mounted inside cabinets fabricated from Polypropylene welded sheets. The manifolds are normally piped up piece by piece and the whole assembly is mounted against the inner wall of the cabinet. One such example had 62 separate solvent cemented PVC-U pipe joints. The manifold block solution had just 14 joints! Each joint takes time, space and costs money – especially if it leaks on test.

Plastic block designs are manufactured from ABS, PVC-U, PVC-C, PP, PVDF and even PTFE. They can incorporate diaphragm valves, solenoid valves, filter housing connections and even threaded sensor points for pH, temperature, conductivity, pressure and differential pressure devices.




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September 2017

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