They are either made of zinc-plated steel, aluminium or stainless steel. The lever couplings are intended for irrigation and drainage pipe systems (sprinklers, construction and road works, sewage treatment, groundwater control – well point dewatering system) As the couplings feature simple, very robust construction and leak tightness even if fairly contaminated with impurities, they are perfectly suitable for both piping systems and flexible hose assemblies – for water, sewage, liquid chemicals, petrochemical and food products. However, the lever couplings can also be used for loose materials loading and unloading (cement, lime, materials, feed, granules, grain, flour etc.).
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