DB4-XB57-11X54163B

MODEL "1000HP-1+6" DIFF PRESS REG,SGL DIAPH,GRAPHITE/NBR GASKETS 1/2" SIZE,GASEOUS JET; SPECIAL BODY & SPRING CHAMBER MATERIAL; B5 TRIM: BRASS WITH TFE SEAT,PHOS.BRONZE DIAPHRAGM; NPT SCREWED; 10-50 PSID RANGE SPRING; PER SPQ NUMBER 54163 TFE GASKETS IN LIEU OF GRAPHITE/NBR GASKET; BRONZE BODY & SPRING CHAMBER; CLEANED FOR OXYGEN SERVICE PER CASHCO SPEC S-1134; INTENDED FLUID: NITROGEN/ OXYGEN ENRICHED NITROGEN, GROUP 2 GAS; GOOD FOR -40C/-40F INTERMITTENT SERVICE;