RA Series are precision relieving regulators made of a Polysulfone body with EPDM seals, Stainless steel springs. 150 PSI maximum input with a 24 turn adjust allows settings to 1 Inch WC. Available with threads of 10-32 Female or 1/8 inch NPT. These non-relieving regulators can be purchase in a low profile preset design with pressure ranges are 3.5, 10, 30, 60, or 90 psi. Optional with a standard screwdriver slot adjustment. Can be purchased as a reliving regulator. Used for robotics, medical equipment, and process control applications.