Pressure reducer with metal piston technology. Complies with the international standard ISO 2503. Integrated indirect discharge safety valve that minimizes the danger caused by violent leakage of high-pressure gas in case of malfunction. Integral shockproof ABS gauge protection cover with UL 94-HB fire rating, with distinctive gas colors for added protection and easy identification. The control valve body is made entirely of brass for increased resistance to high pressures and high temperatures. Compact pressure gauges to reduce overall dimensions. Integrated indirect discharge safety valve that minimizes the danger caused by violent leakage of high-pressure gas.