What is NFPA 1963?
This standard establishes uniform performance requirements for new fire hose couplings and adapters with nominal sizes from 3/4 in. (19 mm) through 8 in. (200 mm) and the specifications for the mating surfaces.
Official document scope
What does NFPA 1963 address?
General coupling assemblies and adapter requirements include criteria for minimum waterway, internal strength, connect/disconnect capability, vacuum tightness, corrosion resistance, and high- and low-temperature performance. NFPA 1963 also contains provisions for screw-thread connections, non-threaded connections, and fire hose nozzle gaskets and gasket seats.
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