Airpack reconditioned valves are overhauled in accordance with the following procedure, ensuring that reconditioned valves are equivalent to new in quality, life and performance.
All valves are stamped with a unique job reference number as the valves are de-greased and stripped into component parts for
Seats & Guards are processed by shot peening to remove all traces of foreign deposits.
All internal parts including valve plates, cushion plates, coil springs and delivery valve
studs are scrapped and never re-used.
Seats & Guards are re-machined within original manufacturer´s tolerances to maintain
their design performance.
All valve seat sealing faces are lapped to stringent approved standards to ensure perfect
finish and flatness.
Seats & Guards are electroplated in a protective zinc passivate finish.
The refurbished valve is assembled and tested prior to despatch.