Nibco,9003055PC, PC600RS, Wrot Copper, Coupling P x P, Roll Stop, 3'The NIBCO Press System copper coupling features an inboard bead and EPDM O-ring. Simply applying pressure from a pressing tool tightens the O-ring onto the tube, ensuring a clean, watertight seal in seconds with no flame, solder or flux. The coupling has press connections and a roll tube stop. The fitting provides a method to connect two lengths of tube.NIBCO press fitting are the fastest, easiest way to join copper tubing systems. NIBCO Press System fittings are designed to join with seamless copper water tube in residential and commercial potable, hot, chilled and process water applications for plumbing and HVAC systems. The press fittings can also be installed underground. The NIBCO Press System is 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 Press System applies the proven performance of press technology to NIBCO valves and fittings – the most specified flow control products in the industry. The NIBCO Press System features a full range of precision engineered copper and copper alloy fittings, commercial valves, accessories, pressing tools, jaws and chains. In addition to its inherent qualities of beauty, durability and low maintenance, copper's reusability makes it an ideal application in sustainable projects.Features:Operating pressure 200 psi cwpTemperature range -20°F to 250°FLead-free*Dezincification resistantASTM B75 Alloy C12200 CopperComplies with ASME B16/51 PerformanceThird party certified to UPCThird party certified to the performance requirements of CSA MSE 13 and PS-117.