Airgas Model 205A580 Chrome-Plated Brass High Purity Single Stage Regulator With CGA-580 ConnectionChrome plated regulators are designed for high purity laboratory applications involving noncorrosive gases. Single stage design is recommended for use where inlet pressure does not vary greatly such as with liquefied gases, or where periodic readjustment of delivery pressure setting does not present a problem.

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The metal-to-metal diaphragm seal prevents contamination by eliminating the need for a soft seal and provides a leak-rate design of less than 2 x 10–8 ccs helium

sintered stainless steel filter and a PTFE-lined

a cross-purge assembly must be used

a sintered stainless steel inlet filter and a stainless steel instrument valve

this organic coating provides a complete inert surface

allowing minimal internal volume and eliminating large cavities and pockets associated with forged-body regulators

Low internal volumes allow for rapid purging – the Model 206 is a single-stage regulator with an internal volume of 3

These two-stage regulators are specifically designed for low-flow

A preset safety relief valvemakes these regulators suitable for use only with non-corrosive gases

while the encapsulated filter assembly protects the valve seats and extends operating service life