Low nitrogen gas burner for Boiler

Boiler low nitrogen gas burner gas valve group:
The boiler can be directly connected to the low-pressure gas pipeline without the need for a pressure regulating station. Its gas valve is a low pressure valve. The gas valve consists of three parts:
(1) Manual valve;
(2) 24V electric valve;
(3) Gas pressure regulating valve (some models of boiler electric valves and pressure regulating valves are the same valve). A higher gas pressure switch and a lower gas pressure switch can be set according to user requirements;
The gas pressure regulating valve of low nitrogen gas burner requires a pressure in front of the valve of 5-11 inches of water column (127 mm of water column - 279.4 mm of water column), and the valve pressure is not less than 3.5 inches of water column (88.9 mm of water column). LPG valve pressure requirement is 11 inches of water column;www.burners-china.com