Model DA1 Rev E Pressure Reducing Regulator; 2" Line Size; Super Duplex Stainless Steel Body With Stainless Steel Spring Chamber; M7 Monel Trim, Polyurethane Seat, Fluorosilicone Diaphragm, Fluorosilicone Static Seal, Stainless Steel/PTFE U-Cup Dynamic Seal; NPT End Connections; 50-150 PSIG Range Spring; Internal Sensing