MIL-PRF-13803F, PERFORMANCE SPECIFICATION: VALVE, GATE; DOUBLE DISK, CAST-IRON OR STEEL (02-JAN-1996) [SUPERSEDES MIL-V-13803E] [NO S/S DOCUMENT]
MIL-PRF-13803F, PERFORMANCE SPECIFICATION: VALVE, GATE; DOUBLE DISK, CAST-IRON OR STEEL (02-JAN-1996) [SUPERSEDES MIL-V-13803E] [NO S/S DOCUMENT]., This specification covers various sizes and classes of cast-iron and steel, doubledisk gate valves for liquid or gaseous petroleum products.