I know that ASME B16.11 (Table 2) gives the correlation between fitting class and schedule or wall designation of pipe for the calculation of the fitting rating. However B16.11 does not cover pipe unions.
MSS-SP-83 gives the pressure-temperature rating for 3000# unions, but I have been...
Does anyone have experience with Lokring Fittings? Their manufacturer (www.Lokring.com) claims that you can save approximately 25% on an installed cost basis over a traditional socket weld system. The fittings are about 8 to 10 times more expensive than a socket weld fitting, but the...