American connection (direct connection) – a detachable connector consisting of three elements: a cap nut, fitting and hexagonal. Made of high-tech brass LS-59-1. American connection complete with flat biconite sealing gasket. It is used to create detachable connections in heating and water supply systems. Ideal for steel pipelines, copper and reinforced plastic pipes. American connection are designed for use at the temperature of the working environment from + 1 ° C to + 175 ° and at the nominal pressure of PN 1.0 MPa (10 kgf / cm2).