Ground Balls are rubber spheres of high dimensional accuracy(shape deviation of 0.2 mm). They guarantee sealing without leaks, are resistant to dirt and produce little noise. Ground Balls are used primarily as sealing elements in non-return check valves to seal against hydraulic fluid, water or air.

They are very often used in water treatment plants, pumping stations, and air-operated valves. The range of diameters: from 15 mm to 190 mm​​.

This product is available in three variants:

- aluminum core

- steel core

- monolith without a core.