Sit 820 NOVA 0820332 gas valve

Gas valve SIT "NOVA" MV 820 0.820.332 is developed by SIT as a non-electric regulator for controlling gas supply. It does not perform power modulation and is equipped with a thermoelectric flame monitoring system. The valve has a single control knob with the following positions: off, ignition of the pilot burner, and operating position. It also includes a reignition lockout and adjustable outlet pressure. On request, a step-opening device can be installed. It has functions for adjusting gas flow to the pilot burner and can be modified with a special kit including a stepper motor for power modulation. The valve also includes a class D automatic shut-off valve. The regulator adjustment range is 3..30 mbar, and it can be used with gases from families I, II, and III. Maximum inlet gas pressure is 60 mbar. The valve requires AC 220 V, 50 Hz power supply. Current consumption is 160 mA. The valve has thermocouple connections M9x1 and connections Rp1/2 ISO 7. Operating temperature can range from 0 to 70 °C, and its operating position can be any. The pressure regulator is classified as class B according to standards. The valve protection class is IP 54, providing good protection against dust and moisture. The SIT "NOVA" MV 820 0.820.332 valve is used in devices with power up to 60 kW. It is a reliable and efficient device manufactured by SIT, which provides precise control of gas supply to the burner and enhances system safety.