Male stud check valves from the FI-RVZ series allow straight connection of an individual metric tube to a connection hole with female thread and permit flow in one direction only (flow direction of the threaded stud) while blocking the other direction mechanically. They are available in the Light and Heavy Series series as per ISO 8434-1 / DIN 2353 and are suitable for rated pressures up to 400 bar (6,090 PSI). All common threads available. Tube connectors and cutting ring fittings from the STAUFF Connect series made of steel with 24° internal taper.
