D5A-4PJK-AE

Model DA5 Rev E Back Pressure Regulator; 2-1/2" Line Size; Sales Kit A; Carbon Steel Body WIth Ductile Iron Spring Chamber; PJ 17-4PH Stainless Steel Trim, 316L Stainless Steel Cage, Polyurethane Seat, Epr Diaphragm, Epr Static Seal, Tfe Cap Seal W/Epr Energizer Dynamic Seal;