A ball valve is a quarter-turn valve that uses a ball with a hole drilled through it to control the flow of media. The hole is referred to as the port or orifice, and when opened, it aligns with ...

Robertshaw, a global leader in the design and manufacture of industrial control products and systems, and a recognized ...

Upper Arlington is considering spending approximately $120,000 to replace 11-year-old air heating and cooling equipment at the city's municipal building. Upper Arlington City Council postponed a ...

SAE Transactions, Vol. 108, Section 3: JOURNAL OF ENGINES (1999), pp. 299-309 (11 pages) Five very different exhaust ports of diesel and gasoline engines are investigated under steady and unsteady ...