Rockerlung Type Threaded Coupling is manufactured by New Age Industries. New Age Industries is an ISO 9001: 2000 certified company and the products are approved by agencies such as UL, Lloyd`s, ISI, D.G. Shipping and others. The Rockerlung Type Threaded Coupling is made of Aluminum Alloy or Gun metal. It has the Working Pressure of 150 PSI and Test Pressure of 325 PSI. There are Rockerlung or Pintype Type coupling products as manufactured by New Age Industries. The descriptions of the Rockerlung Type Threaded Coupling with their respective Product codes are as follows: Product Code Description CP-TC-01 With 2½ inches NST Threads CP-TC-02 With 2 ½ inches NH Threads CP-TC-03 With 1 ½ inches NST Threads CP-TC-04 With 1 ½ inches NH Threads