Alternating valves from the FI-WV series act as a self-acting switch, whereby the connection not under pressure is closed off with metal-to-metal sealing by a movable steel ball inside the valve body. They are available in the Light and Heavy Series series as per ISO 8434-1 / DIN 2353. Suitable for rated pressures up to 160 bar. Tube connectors and cutting ring fittings from the STAUFF Connect series made of steel with 24° internal taper. For hydraulics.