When it comes to ball valves, we know your most important consideration is reliability. The longer a valve performs as designed and without problems, the better. That’s why your choice should be Jamesbury ball valves. By focusing on the all-important areas of seat design, polymer material research and sealing technologies – we were able to engineer and deliver next generation ball valve performance. Solutions that offer you vastly improved stem sealing and cycle life. In fact, depending on the application, the cycle life of these new valves can be as much as 100 times greater than the cycle life of competitive products.