The machino couplings are made to Japanese Industrial Standards (JIS B9911). Comprising of a female and male parts, the male coupling is pushed into the female coupling to lock them in place. To release, the “plate” of the male component is depressed.

Product Item：WO-USA-01 Material : Alumiunium A356-T6 (Heat Treated) Brass Sealing Material: NBR ,EPDM, FPM, PTFE Size: 1''-4'' Casting Method: Forge USA Pin Fire hose Coupling IMPA Code: 330877,330878,330879,330880

Rotta Russian Fire hose coupling is a rigid interlocking end-piece on fire hose; it is used for connecting hose to hydrants or fire engine pumps and other hose appliances (nozzles, wyes, etc).

Hose couplings are installed on hoses both ends that can be connected to another hose to extend the distance or to a nozzle to increase the liquid injection pressure. And the couplings always have different types according to different countries'standards.