Airgas Model N245B510 Brass High Purity Single Stage Pressure Regulator With 1/4” FNPT Connection And Non-Lubricated Check ValveThese 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

and semiconductor processing

Filtered Seat - for added gas stream purity and extended service life

The two-stage design limits the variations in the outlet pressure to 0

These unique patented general-purpose two-stage regulators are recommended for analyticalnon-corrosive

single-stage

A PCTFE seat provides positive closure and is compatible with a wide range of mildly corrosive or corrosive gases

Self-closing lid is operated with the included foot lever and opens no more than 60 degrees

component testing

Convoluted Hastelloy C-22 diaphragms provide excellent regulating characteristics and allow for internal vacuum purging

The low torque control knob and self-relieving feature permit easy adjustment of pressure in closed or dead-end systems

catalytic reduction

with its 316 stainless steel diaphragms