LB2-ASF7-1300DYN0B

Model "2171" Back Pressure Relief Regulator, Tfe Gasket/O-Ring; 1/4" Size, Angle Design (Two Side Inlets - Bottom Outlet); 316l SST Body & Cf3m SST Spring Chamber; S3 Trim: 316l SST With Tfe Seat,Neoprene (Bc) Diaphragm; Npt Screwed; 70-140 PSIG Range Spring; Opt-25: 1/8" Npt Spring Chamber Vent Tap; Opt-86: Inlet Pressure Gauge (Includes Opt-85: Inlet Body Gauge Tap); Opt-56: Special Clean Per Spec #S-1542