4000RP

The 10" Ames 4000RP 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 second check assemblies. First check assemblies require a tong tool for removal. Bronze check seats were replaceable and a seat removal tool is required to service. The relief valve cover has spring tension against it, use caution when servicing. An external sensing line pressurizes the relief valve.