Definitions for "Gas check"
A metal cup placed on the end of a lead bullet to protect it against the hot gasses of the burning powder charge.
1. A metallic cup attached to the base of some lead alloy bullets. 2. An obturating cup used under the piston in crusher pressure testing.
Copper-alloy cups affixed to the bases of specially designed cast bullets with the intention of reducing deformation of the base under high heat and pressure and thus reducing leading.
a systematic inspection and pressure test of the complete distribution system, which insures it is leak free, operating at proper pressures and that safety devices on all appliances are fully operational