ASCO Solenoid Valves (SIL3 NACE ATEX NAMUR Valves)ASCO 551 553 Solenoid Valves (Spool) 5/2, ¼”-3/8”-1/2” Aluminium (15/30 Pilots) – Hazardous Area Valve Ex d, Ex e mb, Ex ia, Ex nA
ASCO 551 553 hazardous area solenoid valves are pilot operated spool type valves suitable for hazardous areas installation with international classifications including ATEX, UL, CSA and other local approvals on request.









