8D9-A4T7-2XX52036C

Model "123" Back Pressure Relief Regulator,Tfe Gaskets (Opt-45); 2" Size; Cf8m Body & Spring Chamber; S40t Trim: 316SST With Tfe Seat,Fluorocarbon Elastomer (Fkm) Diaphragm; Opt-39: Socket Weld Ends - (Msds Spec Required); Special 45-105 PSIG Range Spring; Opt-9: Tfe Diaphragm Cover; Per Spq 52036 With All Sst Components In The Spring Chamber, Sst Body To Bonnet Bolting, And Sst Adjusting Screw;