Ring Gaskets:
1.
Only use new ring gaskets.
2.
A ring gasket is deformed during the torquing procedure.
No previously used API ring gasket will provide a reliable seal.
Spares and Replacement Parts:
Use only genuine spares and replacement parts.
Five Year Maintenance
A five year maintenance should be performed on all MOST stuffing boxes at a MOST or an
authorized repair facility.
1.
The stuffing box is fully disassembled, cleaned and inspected.
2.
All elastomers and soft parts are replaced.
3.
All other parts are repaired or replaced as required.
4.
The stuffing box is repainted.
5.
The assembly is recertified.
