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Black Steel Unions are used in a wide range of make-and-break joints such as filters, valves, hoses, machinery and general piping installations requiring periodic disconnections.
They are particularly suited to high or low pressure assemblies in air, oil, gas and water.
They are available in Steel-Steel, Steel-Bronze and Bronze-Bronze Seats with Female-Female and Male Female end connections.
A: 77mm
B (ACROSS FLATS): 52mm
C (ACROSS FLATS): 34mm
Revised 25/02/2024