Airgas Two Stage Brass 0-250 psi Analytical Cylinder Regulator With Needle Outlet CGA-540 Two Stage non-lubricated check valve incorporated into

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

calorimetric testing

The 820 Series is configurable for most applications

these single-stage regulators are recommended for use in petroleum field applications

These regulators can handle flows up to 250 liters per minute of nitrogen with only a 5 psig pressure drop

Airgas Two Stage Brass 0-250 psi Analytical Cylinder Regulator With Needle Outlet CGA-540 Two Stage non-lubricated check valve incorporated intoThis analytical series of high purity brass, two stage regulators is recommended for non corrosive analytical and process applications where precise pressure control is required. This series is ideally suited for chromatographic carrier gas applications including FID, TCD, ECD, HID, and non corrosive gas mixtures for analytical instrumentation. These units feature stainless steel diaphragms and bar stock bodies with low internal volume and minimal