Triad - Model 50D - Electric Ball Valve - Manual

The Triad 50D ball valve allows easy replacement of body gaskets, stem seal, stem packing, and seats without special tools. The valve is of a “floating ball” design. Induced by the line pressure, the ball is free to move horizontally inside the valve bod y. The valve is capable of tight shutoff with flow in either direction or in “dead-end” service, regardless of the position of the valve in the line. The downstream seat, opposite of the pressurized side of a closed valve, carries the load exerted by the line pressure on t he ball, while the upstream seat is subject to little load or wear. For this reason, it is sometimes possible to increase seat life by turning the valve end-for-end in the pipeline.