Pilot-Operated Pressure Loading System,Oxygen Service,Relieving To Atm; For Installation On Brz Loading Chamber, 3"-4" Body Size,;For All Km Models Except Da1 & Da5; SST Tubing,SST Fittings,No Heat Exchange Coils; Per Hookup Schematic P7;One Br Filter #Bf-1;One Br Restrict Orif;#Bor-4;One Br Needle Vlv #Bnv-1;One Br Relief Vlv #Brv-1; Brass Pressure Reducer Max Prv#1,W/Guage,Internal Relief,Type C-201-D,;0-125 PSIG Range Spring,Captive Vent,Brass/SST Trim,Viton Diaph; Brass Pressure Reducer Stabilizer Prv#2 With Gage,Internal Relief,Type;#C-201-D,0-125 PSIG Spring Range,Captive Vent,; Brass Pressure Reducer Setpoint Prv#3,Internal Relief,Type #C-201-B,;0-35 PSIG Range Spring,Captive Vent,; Pressure Gage For Setpoint Prv#3 Or Bpv#4,SST Case,Brz/Br Internals; Model Nw Pilot,Gas Service,Brass Body & Topworks; Nw-Pl Pressure Loaded Type-Ma6 Topworks,1:1 Ratio; Pilot Internals;Be-Cu Diaphragm,SST Ball,Fluorosilicone(Fk) Seals; Opt-55: Cleaned For Oxygen Service Per Spec #S-1134; Br Restriction;Orifice, "Size" Is Dependent On Main Body Size And Pressure Range.