With a working pressure from 600 PSI / 3500 PSI / 6000 PSI, materials of Aluminium / Brass / Stainless steal. Temperature ratings -29 C to 116 C, Ports 1/2″ to 1 1/2″ NPT. Flow Rate from 0.5 lpm – 560 lpm 1/2″ – 1″ Series – needle valve / 1 1/4″ – 1 1/2″ – ball valve. Available in with or without reverse flow, Petroleum Fluids, Water based fluids , Air and other compressed gases and Phosphate Ester Fluids.