... THE CYLINDER , 40LTR TO 200 LTR WORKING PRESSURE : 2.5MPA AND 4.20MPA MEET MUTIL- FIRE REQUEST FM 200( HFC-227EA ) GAS ... : computer room,archives establishment, valuable articles, telecommunication center,CONSIST OF : CYLINDER , CYLINDER VALVE , PRESSURE GAUGE , DIPTUBE , 24DCV SOLENOID VALVEMAIN SPECIFIATION : ACTUATED WAY ...