Applicable: Polyfit offers a wide variety of fittings with various connection types to fit your 15,0000 psi application needs. The standard connection types NPT,HF,HHP,Type M , MP and BSPP are available in standard thread sizes. A benefit that polyfit brings to the fitting’s realm is the ability to offer a wide variety of connections for any application. Easy,hand -tight connection of hoses and other components stainless steel.