GNB 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.