This box contains 36 pieces of 3/4" NPT Full-Port Bronze Ball Valves, each with a WOG Rating of 600 psi and a WSP Rating of 150 psi. The valves are made in the USA by Milwaukee Valve and are lead-free bronze material with a chrome-plated ball finish. They are suitable for use with water, oil, gas, and wastewater, and have a blow-out proof valve stem. The housing material is bronze and the end connection is threaded. The valves are manually operated and have a two-piece body style. They are NSF certified and compliant with lead laws, and have a technical standard of National Pipe Taper (NPT). The ANSI/pressure rating is 600 WOG, and the valves are listed on the IAPMO list. The ASTM standards include ASTM B-16, ASTM B-21, ASTM B-283, ASTM B-584, and ASTM B-633.