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Our steel gas cylinder flanges and fittings are welded to industrial gas cylinders, which are then tested to DOT, TC, and HSE requirements. We provide a variety of machined cylinder flanges in 1015, 1020, and 1030 chrome moly steel.
Contech steel cylinder flanges fit high pressure gas cylinders

Contech cylinder fittings are available with NPT, UN, NGT, and other threads as per customer specifications.