Durable, lightweight wye hose valves are constructed of high-quality aluminum with anodized hose threads built for rugged use. The valve opens and closes with a quarter turn. Polymer ball and seat/seal mechanism with o-rings provides a reliable seal and ease of operation at working pressures of 600 psi. All fire hose valves are manufactured to meet or exceed GSA requirements for use by the US Forest Service. This includes all raw materials and quality control procedures. S & H Products Wye Valves are available in 1.0 inch and 1.5 inch sizes and NPSH and NST threads. S&H WYE Valves are available in casted aluminum, painted or corrosive resistant.