CONTROL VALVE, TWO WAY DBK-2011 DN40 PN16/25 "DRSM 50/6 ""NG""ES -- ERSETZT BEI RSM 51/8" Electronic board for 340-B Obsolete, replaced by 373-E07-20-18-S21-230; KT 7468/KS 4095 KVS9 - 3425 DN25 - PN16/25 OI 6490/6590 RSM 51/8 RSM 51/8 (DRSM 50/6 ES NG) RSM 51/8 (DRSM 50/6 NG''ES) RSM 63/8 FG RSM 63/8 FG RSM 63/8 FG RSM 63/8FG 220-240 V TYP RSM 51/8