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Rebuild Services

  • GNB will rebuild any manufacturer’s elastomer sealed valve.
  • Valves are completely disassembled, blasted and cleaned
  • Worn parts are replaced
  • Some modernization may be necessary for older valves to meet acceptable performance levels
  • Reassembled valves undergo rigorous testing and Helium Mass spectrometer leak testing
This 72-inch (183-cm) vacuum gate valve has been in service since 1982. GNB rebuilt this valve and delivered it back to the customer in FOUR weeks.​ This is the kind of responsive service level you can expect from GNB.