IBM TOWER, 590 Madison Avenue

New York City

Project details


  • After analyzing the problem, Spartan designed a new type of cartridge to directly retrofit onto other manufacturer’s valves without removing them from the line. This is a Hydro-Balanced cartridge with 100 PSI close-off, rated ANSI-250 and allows compatibility with Spartan’s full line of actuators.
  • The abililty to choose the appropriate control is a great energy management efficient solution.
  • More than 900 valves were successfully retrofitted with Spartan hydro-balanced cartridges.


  • To retrofit all valves from another manufacturer that were leaking through their packing stems.