Airgas - Y11N245B580-AG - Airgas? Model N245B580 Brass High Purity Single Stage Pressure Regulator With 1/4? FNPT Connection And Non-Lubricated Check Valve

These brass, single-stage, high-purity regulators are recommended for non-corrosive analytical and process applications where precise flow control is not critical. A specially designed, convoluted, stainless steel diaphragm with metal to metal seals provides good regulating performance and maximum purity integrity without the need for a soft seal, which often can be a source of contamination. These regulators come with a CGA-nipple that has a special high-purity, non-lubricated check valve incorporated into nose and prevents air and contaminants from entering the gas stream during cylinder cha