Air Line Devices Precision Pneumatic Regulators "S" Pressure Regulators Some pneumatic circuits are supplied air by compressors that have a wide range between cut-in and cut-out pressures. Such circuits require fast response to downstream pressure changes. Rexroth offers the "S" Regulator, a heavy duty, self-relieving pneumatic regulator for rugged applications. Available with three types of operators Wrench adjusted, Tee handle adjusted or Hand-wheel adjusted Three mounting choices: Pipe mounting, or optional panel or bracket mounting Operating Pressure: 250 psi max. Temperature Range: -20 to +160 degrees F Port sizes: 1/4" to 1" NPT Download "S" Pressure Regulator catalog (this will redirect you to our catalog download page)