Double check action
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of materials other than copper, iron or steel
NSN 6240-01-642-8377
NSN 5960-01-142-5399
NSN 6150-00-661-0184
NSN 5999-01-415-0265
NSN 6685-01-387-1900
NSN 7035-01-158-8860
NSN 5855-01-006-1827
NSN 5895-01-011-5345
NSN 6150-01-447-8939
NSN 5930-00-834-4916
NSN 6610-01-077-0601
NSN 4140-00-087-4611