This NIBCO PressACR copper coupling features an inboard bead and gray HNBR O-ring. Simply applying pressure from a pressing tool tightens the O-ring onto the tube, ensuring a clean, robust seal in seconds with no flame, solder or flux. The coupling has press connections and a dimple tube stop. The fitting provides a method to connect two lengths of tube. NIBCO PressACR fittings are the fastest, easiest way to join copper tubing systems. NIBCO PressACR fittings are designed to join with seamless copper water tube in aira conditioning and refrigeration applications systems. The press fittings can also be installed underground. This NIBCO PressACR fittings are user friendly, quick and easy to install. When properly crimped a unique "N" witness mark is clearly visible. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. NIBCO PressACR applies the proven performance of press technology to NIBCO high pressure ACR fittings. NIBCO PressACR fittings features a full range of precision engineered copper fittings, accessories, pressing tools and jaws. In addition to its inherent qualities of beauty, durability and low maintenance, copper's reusability makes it an ideal application in sustainable projects. NIBCO PressACR copper fittings are backed by a 5-year limited warranty. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO is the preferred brand in the industry.Features Operating pressure 700 psi max Temperature range -40°F to 250°F Vacuum: 500mi Approved Refrigerants: R1234yf, R1234ze, R125, R134a, R143a, R404A, R407A, R407C, R407F, R410A, R417A, R422D, R447A, R448A, R449A, R450A, R452A, R452B, R507, R513A, R718, R32, R290, R600, R600A, R407B, R407G, R407H, R421C, R422A, R422B, R422C, R427A, R434 Approved Oils: POE, PAG, MO, PAO, PVE and ABR456A UL 207 Recognized to 700 PSI Complies with: ISO 5149-2, ISO I4903 Helium leak test, ISO 14903 Thermal cycle test, ISO 14903 Fatigue test, ISO 14903 Freeze test, UL 109 vibration
