The PROTEGO^® UB/VF diaphragm valve is a worldwide unique vacuum relief valve combining the function of a dynamic and static flame arrester. It is primarily used as a device for flame transmission-proof in-...

The lined PROTEGO^® in-line valve DZ/EA-F is a state-of-the-art pressure or vacuum relief valve in a right angle design for higher set pressures. The lining makes this model a perfect solution for corrosive...