... . Our ranges of coupling fittings are available in aluminum, steel and bronze.Pipe couplings are highly demanded in the pipe fitting ... known as repair couplings. These couplings are without stops or ridges and they can be fixed anywhere along the pipe length for ... . Material: ASTM A105, F304, F316, F304L, F316L, A182, F11, F22, and F91 Pressure: 2000LBS, 3000LBS, 6000LBS, 9000LBS Standard: ANSI B16.9 ...