The function of valves with ball device is to open suction, therefore to create vacuum in the cups which they are applied on, only when the load to be held operates the sealing ball.

They consist of a body in anodized aluminium, a nylon ball acting as a closing device, a gauged thrust spring and a threaded brass closing plug.

Properly calibrated, they guarantee a perfect vacuum seal.

They are recommended for making vacuum operated stirruping surfaces.

Upon request they can be supplied with different sizes if a certain quantity is needed.

Technical Data Sheet