Lexair KEYSTONE® K-LOK Stainless Steel HIGH PERFORMANCE BUTTERFLY VALVES are manufactured to the US NAVY standard MIL-V-24624. They are offered in both wafer and lugged style bodies and feature pressure ratings per ASME Class 150. These “MADE IN THE USA” products feature QPL-24624 qualification since 1984 as well as meeting many other MIL Specs and other various industry standards. They are used on all NAVY ship classes and meet USCG Category P qualifications. They are available in 2-1/2” through 14” sizes and are used for applications including fuel service, lube oil, transfer service, JP 5, AFFF and cooling water.