All threads on the Air Tanks are M22x1.5 ISO/DIN Standard. Dimensions are in accordance with DIN 74281 and are CE-Marked and approved to EN286-2. All finished in EPC black powder coating.
C Couplings are designed to eliminate the problems of mismatched components with a one piece construction that cannot be dismantled.
A form of claw coupling, used as a hose connector and often for compressed air vehicle brakes. The port is at right angles to the axis of the hose.