PA VB80/400 pressure regulating valve equipped with double connection for inlet port. Possibility of diffrent pressure settings by a choice of 3 spring models. At gun shut off, the water flow is bypassed at reduced pressure. Sturdy construction in Sst Aisi 303. Return action of the piston by means of a powerful spring, for confident working and a reliable pressure adjustment. Multiple connections for easy installation. Hexagonal shaped check valve to avoid jamming.400 Bar rated pressure. 80 Lpm max flow. 90°C rated water temperature. 1/2"BSPF inlet. 1/2"BSPF outlet. 1/2"BSPF bypass. Black spring, no regulator knob. Aisi 303 stainless steel body.