Q.E.D. Environmental Systems, Inc., a manufacturer of environmental products and subsidiary of Graco Inc., announces the release of its newly-redesigned Quick-Change Orifice Plate Wellhead for two-inch LFG wells. The wellhead (U.S. Patent Nos. 8,800,597 and 9,695,945 & Patent Pending) features new materials for stronger, more heat resistant constructions and improved design to increase efficiency and…