Carnegie Energy Companies
2 companies listed

Heyl & Patterson Inc. provides high quality, reliable, custom-engineered solutions that industries worldwide trust to keep their business moving forward. Founded in 1887 in Pittsburgh, Pennsylvania, Heyl & Patterson is an industry leader in the design and construction of world-class bulk transfer…

Tideflex Technologies was the original inventor and manufacturer of duckbill style check valve and has continued to enhance and refine the design and performance of this product. The duckbill check valve is inherently a variable orifice device which changes it's effective opening area with respect to…