Aunspach Overtorque Clutches prevent valve and actuator overtorque damage. Units transmit full operating torque but prevent damaging torque. Easily mounted with no equipment modification. Corrosion protected. Permanently lubricated. Sealed mechanism. Zero maintenance.
Kraissl Co. was the first to develop duplex 3-way (6-port) transfer valves with standardized port connections for external equipment. These tapered plug-type models were adapted from Kraissl's duplex strainer designs.