“MACH: REMOTE CONTROL LOUVER/ER FIRE FLAPS;
MODEL: YDQ-KZ-4;
MAKER: TAI XING YONG DA MARINE FITTINGS CO., LTD;
REMOTE CONTROL LOUVER MANUAL, PNEUMATIC LOUVER CONTROL SYSTEM, PAGE #6, ITEM # 13” “TWO-POSITION TWO-WAY ELECTROCMAGNITIC VALVE
VOLTAGE SUPPLY: 220Vac
TYPE: 3V310-10, MAX. PRES. 1.0Mpa ITEM NO: 13
” TAIXING YONGDA.YDQ-KZ-4