The Watson McDaniel PP-SP-D pressure reducing pilot operator is a self-contained spring operated pilot designed for the broadest range of steam pressure regulation in the industry. Designed to fit every Spence D pilot application with all versions of the Spence main valves, the PP-SP-D is an economical solution for all Spence pressure regulating applications. Fits Spence bends & fittings and includes D pilot mounting hardware.
Available in control pressure ranges from 3 PSIG to 200 PSIG pressure reducing needs.
Control regulated steam pressure to within +/- 1 PSIG
Suitable for either cast iron or cast steel main valve applications
Cast steel construction with stainless steel seat & disc
Spence Pilot Replacements From Watson McDaniel
Spence D Pilot Replacement Watson McDaniel PP-SP-D IOM