The pilot flame of the ODS system is in contact with the ODS gas thermocouple that generates the necessary millivoltage needed to hold the solenoid safety gas valve inside of the control valve in the open position.The ODS safetu valve is a "Spring-Loaded Normally Closed" gas valve.
Technical parameter
Heating characteristic: ≥12mV (within 20s at 650°C)
Cooling characteristic: ≤1.5mV(within 60s)
Range of length: 150mm(5.9inch)~ 1800mm(71inch)
Range of resistance: (10~50)±3 mΩ
Operating conditions:
Range of ambient temperatures: 0°C ~ 52°C (32°F to 125°F)
Maximum operating temperatures:
Thermocouple Tip:750ºC / 1382°F
Thermocouple Wire:180ºC / 356°F
Cold Junction:150 ºC / 302°F
Injector(Burner):750ºC / 1382°F