Mecline VHP51 Pressure Regulating Unloader Valve. Positioning of all O-Ring seals before the threads, for greater mechanical strength. Easy maintenance : the pressure regulating unit is fully removable from above. Ring nut for max. pressure adjustment. Chemically nickel-plated brass body with a considerable increase of the resistance to corrosion and wear. All internal parts are in Stainless steel including top part 1 and outlet port part 2. Internal safety lock to avoid overpressure. Suitable for wall mounting by N. 2 screws. Adjustment knob on demand.

Mecline VHP70 Pressure Regulating Unloader Valves Positioning of all O-Ring seals before the threads, for greater mechanical strength. New shutter axially guided, for greater stability at high flow rates. Stainless Steel seat and shutter of new shape, designed by fluid dynamics study to eliminate instabilities and turbulences with great benefit in terms of long life. Stem with new internal anti-rotation system, for greater life. Stem O-Ring seal Ø 3,53 (0.14”) is placed fixed on the connecting stem guide to allow the stroke of the Stainless Steel stem on O-Ring, increasing the life. Minimum and Maximum pressure regulation lock. All metallic parts are in stainless steel AISI 303.