日本av电影网站Micro Ratio Valves used for air, gas and oil proportioning control, the MICRO-RATIO Oil and Gas Valve assemblies have a multiple screw cam assembly. This oil flow valve’s assembly provides mechanical adjustment capabilities to the air/fuel ratio at each valve position throughout the entire capacity range of your burner system. This gas valve provides a fully adjustable throttling range and is designed to operate over the extremely wide turn-down capabilities of modern industrial burner systems.

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