Tri-Block Double Block and Bleed

The Double Block and Bleed design features every technical advantage which the series TRI-CON has plus there is a true double block and bleed feature which delivers zero leakage. By using this design, the former two valve system with a spool piece becomes obsolete. This fact is not ...

ZWICK Valves

ZWICK manufactures valves that meet the highest requirements. The range of services includes metallic sealing butterfly valves of the series TRI-CON, TRI-CHECK Series Check Valves, Double Block and Bleed versions of the TRI-BLOCK series and the control fitting with the specially designed ...