KCO Lto HSUP y q w e r t i u !0 o B B A A B-B A-A IN OUT Construction No. 1 2 3 Material ARG20K ARG30K ARG40K Note Platinum silver Black Black ADC PBT POM Description Component Parts Body Bonnet Handle No. Description 4 5 6 7 8 9 10 Valve Diaphragm assembly Valve guide assembly Pressure gauge cover Pressure gauge (1) Clip Check valve assembly (2) Material Qty. Brass, HNBR Weatherability NBR POM, NBR PC . Stainless steel . 1 1 1 1 1 1 1 Part no. ARG20K AR20P-410S AR20P-150AS AR20P-050AS ARG20P-400S GB2-10AS ARG20P-420S AR20KP-020AS ARG30K AR30P-410S AR30P-150AS AR30P-050AS ARG30P-400S GB3-10AS ARG30P-420S ARG40K AR40P-410S AR40P-150AS AR40P-050AS ARG40P-400S GB4-10AS ARG40P-420S Replacement Parts Note 1) Only the standard part numbers are listed for the pressure gauges. For the optional part numbers, refer to page 567. Note 2) Check valve assembly contains check valve, check valve cover and its screws (2 pcs). 569 Series ARG20K/30K/40K Regulator with Built-in Pressure Gauge with Backflow Function AC-A AF-A AF�ｮ-A AR-A AL-A AW-A AC AF AF�ｮ AR AL AW�ｮ A�ｮG E�ｮ AV AF