MIL-DTL-24509B涵盖了在压力或真空条件下用于污水和海水应用的法兰球阀和旋塞阀。污水中含有不同数量的洗涤剂、腐蚀剂、酸、人类废物、沉淀物、油、油脂、溶剂和船上使用的其他化学试剂。

MIL-DTL-24509B covers flanged ball and plug valves for sewage and seawater service, under pressure or vacuum. Sewage contains seawater with varying amounts of detergents, caustics, acids, human wastes, sediments, oils, greases, solvents, and other chemical agents used on board ship.