Lunkenheimer Valves Catalog (1960). African blue asbestos packing, mica impregnated for gate valves. Also graphited asbestos packing for gate, globe, and angle valves.
Jenkins Valves Catalog (1956). African blue asbestos packing for iron body gate and nickel iron gate valves. Asbestos packing described as best type for general duty.
Asbestos was a common base material for valve packing and valve discs. Sometimes it was combined with rubber, teflon, or metal. Both Chrysotile and Crocidolite (blue) asbestos was used, often depending on the application.
Kennedy Valve Catalog No. 86 (1963). Asbestos packing used in valves. Copper-asbestos gasket used in fire hydrants. Asbestos composition discs.
W-K-M Catalog 84 (1981). Joy Manufacturing Company. This 1980s catalog has valves, wellhead equipment, and safety systems. Asbestos packing used for valves.