Airgas Model N245F320 Brass High Purity Single Stage Pressure Regulator With 1/4” FNPT Connection And Non-Lubricated Check Valve shoptok as the regulator is rated

as the regulator is rated for 3

They feature an oversized “pancake” body of magnesium alloy with a Buna-N diaphragm

Convoluted stainless steel diaphragms with metal-to-metal seals provide excellent regulating characteristics and allow for internal vacuum purging

non-lubricated check valve incorporated into nose and prevents air and contaminants from entering the gas stream during cylinder change out

These models feature encapsulated filter assemblies to protect the valve seat from contamination

Airgas Model N245F320 Brass High Purity Single Stage Pressure Regulator With 1/4” FNPT Connection And Non-Lubricated Check Valve shoptok as the regulator is ratedThese 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