Cunion insert valve is the threaded pipe counterpart of the flange insert valve. Designed to be inserted onto most standard ground joint unions.Works in either a horizontal or vertical position.Furnished with a metal tag which is quickly attached to the union to provide a permanent record the the union contains a check valve. Available in the following materials carbon steel, brass, and 316 stainless steel. The sizes are .5000 through 4.000 inches.
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.
NSN 4140-01-384-0444
NSN 5975-01-406-3395
NSN 6320-01-564-0893
NSN 6150-01-207-0770
NSN 5835-01-485-1408
NSN 5935-01-183-3900
NSN 4140-00-473-2324
NSN 6645-01-264-1300
NSN 6145-01-660-9900
NSN 6685-01-281-9525
NSN 5945-01-335-1912
NSN 5905-00-691-2218