ONDASTOP membrane check valves, free passage no water hammer, noiseless operation, low pressure loss, suitable for fluids such as drinking water, waste water, sewage, compressed air.


They are used for civil and industrial uses, water works, water supply systems, water treatment plants, steelworks, heating and conditioning systems. manufactured for working pressures up to 16 bar.


Execution in threaded brass and stainless steel from Ø 1/2” to 2”.


Execution in cast iron from Ø 2″1/2 to 3″.


Execution in cast iron and stainless steel from DN 50 to DN 700.


Equipped with filtering screen for use as foot valve and with anti-swirl plate.