Storz fire fighting couplings have the same head structure, not distinguish male and female threads. Shapes in suction hose coupling, female thread, male thread and blind cap with chain. When assembly, heads with the same lug distance can be buckled together, which is convenient and fast. Seal ensures the tightness of connecting place. They are used to connect firefighting hose, PVC pipe and other low pressure pipes in the fire brigade, industry, refinery, building industry, agriculture, shipping, military and civil protection. If you have the demand, please contact us via sales@storz-coupling.com