Benefits/Features: High strength cast-iron housing. Built-in supercharger ensures high speed capability. Sealed shaft bearing. Two-piece design for ease of service. Cartridge type controls field changeable. Replaceable bronze clad port plate. Airbleed standard for quick priming. Hydrodynamic cylinder barrel bearing. Full pressure rating on most water glycol fluids. Pump case and shaft seal are subjected to inlet pressure only. Filter and/or cool drain line