Model DA1 Rev E Pressure Reducing Regulator; 1-1/4" Line Size; Stainless Steel Body With Stainless Steel Spring Chamber; PC 17-4PH Stainless Steel Trim, 316L Stainless Steel Cage, GF-TFE Seat, Fluorocarbon Diaphragm, Fluorocarbon Static Seal, Fluorocarbon O-Ring Dynamic Seal; NPT End Connections; 10-70 PSIG Range Spring; Internal Sensing