Model 764P Rev B Pneumatic Pressure Controller; 3-15 PSIG Output Signal; Stainless Steel Upper Casing, Ductile Iron Lower Casing, Stainless Steel Diaphragm; 20-100 PSIG Pressure Range, OPT-55: Cleaned For Oxygen Service Per Cashco Specification S-1134; 1/4" NPT Process Connection; Standard Commercial Paint, Standard Commercial Cleaning; Per SPQ 411, Special Temperature Rating -40F