Aluminum 3" NH to 3" NH Double Male Female Threads_NH When not pressurized the fittings

When not pressurized the fittings should be easily separated with a storz wrench

please see our single jacket

600 PSI Proof Test Pressure (A pressure equal to a least two times the service test pressure)

100' or 150' of 1 3/4" double jacketed fire hose

Aluminum 3" NH to 3" NH Double Male Female Threads_NH When not pressurized the fittingsAluminum adapters are fabricated from seamless extruded 6061 T6 aluminum and hard coat anodized per MIL A 8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Adapters and components meet the requirements of NFPA 1963. Note 3 inch NH NST is very rare and is often confused with 2. 5 inch NH NST which is very common. If you have a fire department