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Dear Sir,
ESD valves are getting operate through ASCO make solenoid valve and SOV are continuous in energise condition. Solenoid coil supply is 24 VDC. These ESD maintenance can not taken due to service of plant main inlet gas line.
I have doubt regarding SOV coil life, because it is in continuous powered condition. SOV coil may weak after many hours and ESD will get close. Whole plant will get trip in case of ESD closes.
Please guide me about life of SOV coil so that we can plan for replacement as preventive by ESD taken on hand wheel.
ESD valves are getting operate through ASCO make solenoid valve and SOV are continuous in energise condition. Solenoid coil supply is 24 VDC. These ESD maintenance can not taken due to service of plant main inlet gas line.
I have doubt regarding SOV coil life, because it is in continuous powered condition. SOV coil may weak after many hours and ESD will get close. Whole plant will get trip in case of ESD closes.
Please guide me about life of SOV coil so that we can plan for replacement as preventive by ESD taken on hand wheel.