2 inlets, Clappers pendulating between 2 inlets, the pressureless inlet is sealed.

Storz System Connection (outlet swivelling) or thread

3 inlets, all inlets clappered.

Storz System Connection (outlet swivelling) or thread

4 inlets, all inlets clappered.

Storz System Connection (outlet swivelling) or thread

British Standard BS 336 Connection,

inlets Instantaneous male, outlet female swivelling, round thread.

French Standard Connection,

inlets without-, outlet with locking ring, non-swivelling.

North-American Standard NH Connection,

inlets with NH-thread, outlet Storz System swivelling.

Swedish Standard SMS Connection,

inlets SMS, outlet Storz System swivelling.

Norwegian Standard NOR Connection , inlets NOR LAS 1, outlet Storz System swivelling.

Russian Standard Gost Connection,

in- and outlets non-swivelling.

Spanish Standard Connection Barcelona,

in- and outlets non-swivelling.

Storz System Connection or thread

British Standard BS 336 Connection , Instantaneous