Providing interface between control valve actuator and calibration instrumentation, WEH 17 Series is intended for calibration during manufacturing or in field. It uses handle-actuated collet system for connections where no wrench tightening or thread sealant is needed, eliminating thread wear. Pressure assisted grip and seal method provide leaktight 5000 psi connection. Constructed of stainless steel with nitrile seals, connector is fits 1/4, 3/8, and 1/2 in. thread sizes.