SA Black Coupling
| SA Siam Class 150 Malleable Black Iron Coupling
SA Siam class 150 black malleable iron coupling connects two pipes with its FNPT x FNPT connections. Low-pressure fittings are used mainly in the plumbing, waterworks, and oil and gas industry, where there are low-pressure piping requirements. Threaded low-pressure fittings allow the installer to reassemble it at any time.