Symetrics high-pressure (4000 PSIG) swivel joints are used in liquid or pneumatic systems where torsional rotation between lines is necessary. Typical installations include; retractable landing gears, cargo door actuators and any pivoting pressure line. Typical fluid systems include MIL-H-83282 and Skydrol hydraulics, liquid cooling and fuel lines. Our high-pressure swivels are qualified at over 100,000 swivel cycles in the side loading condition per MIL-J-5513C style A Type II for 4000 PSIG systems.