Piston pressure reducer is an automatic valve that reduces the pressure of liquids in water distribution systems to a set value. The use of the valve is necessary when pressure increases in the installation exceeding the designed values may occur. It is equipped with 2 standard pressure gauge connections on both sides of the body. The nickel-plated outer surface of the body is resistant to corrosion. Body made of CW 617N brass, piston seat: AISI 303 stainless steel, seal: NBR rubber.