Airgas Model N245E350 Brass High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Non-Lubricated Check ValveThis series of two stage, high purity regulators is designed for non corrosive analytical and process applications requiring precise, stable, delivery pressure control. The two stage design yields a delivery pressure of less than 0. 02 100 psi inlet change. 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

CR-80 Repel is made of the patented CarbonX blend of high-performance fibers and a proprietary compound that enables the fabric to remarkably shed molten metal

A needle valve is included on the outlet

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

linseed oil

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

These nickel plated two-stage ultra-high purity regulators are recommended for non-corrosive analytical

The check valve cylinder connection prevents air and contaminants from entering the gas stream during cylinder change out

Throat guard over zipper with Velcro® closure

A sintered brass filter protects internal parts

where precise pressure control and low flow rates are required

The 820 Series is configurable for most applications

These brass