Tightness controls for checking two safety valves before or after burner run, with adjustable test period for adjustment to different test volumes, leakage rates and inlet pressures, for quick opening individual valves, EC type-tested and certified.
TC 410 needs external pressure switch for any inlet pressures and gas types. Max. test period adjustable: 10 to 60 s or 100 to 600 s, mains voltage: 24 V DC, 110/120 V AC or 220/240 V AC.