The 8" Ames 2000DCA began production in 1986. In 1995, the 4" and 6" were discontinued. 8" was produced until 1998. The body was available in galvanized or fused epoxy coating. Check assemblies were a knuckle joint style made of stainless steel. A check retainer clip is required to remove the 4", 6", and 8" check assemblies. 10" devices require a tong tool for removal of check assemblies. Bronze check seats were replaceable and a seat removal tool is required to service.