Water blast hose is often found in hydro-demolition and is also used for cleaning large tanks, heat exchangers and pipes, as well as removing marine growth on ships and piers.
Male NPT couplings are rated for use up to 15,000 psi while Type "M" Female Swivel couplings are rated for use up to 21,000 psi.
All fittings are factory installed and must be tested to 1-1/2 times working pressure before use in the field.