PCU SERIES 500 TQC QUICK-CONNECT COUPLER PCU 501215 LOT OF 15 Fast Shipping! These have an elbow adapter still attached to the quick connect coupler. Can be removed if not needed. Series 500 TQC Tube Quick-Connect Coupler Features Leak-Free, Positive Locking Quick Connect/Disconnect Valve Shutoff Long-Lasting Economical 13/16″ Straight Tube Engagement Repairable Fewer Parts than Series 50 ~ Less cost These tough, compact, lightweight couplers utilize heat-treated parts for interchangeability and long life. Oxide and nickel finishes are corrosion resistant. They provide a large, unrestricted flow rate for a variety of production uses while minimizing material loss during coupling and uncoupling. Temperature range: 0-250° F (0-121° C). Series 500 is designed for easy installation with an instant positive connection to straight tubing. Slide the coupler onto the tubing until seated and push down on the mechanical lock lever to make a positive seal. A cam-locking device grips uniformly and firmly without damage to steel, copper, brass, or plastic tubing. The tube seal will accept tubing out of roundness conditions up to 2%. Extended seal life reduces connector maintenance costs. STRONG: Holds pressures from 25 microns up to 500 psig. SAFE: Built-in safety valve automatically vents system pressure before the connector can be removed from the tube. Blow-off or seal loss by accidental bumping is eliminated. FLEXIBLE: Easily repairable with internal parts that are interchangeable allowing the same connector body to fit all four tube sizes. Applicatio ns Vacuum/Air Refrigerants Water Oil Mass Spectrometer Helium Nitrogen