Operating Manual
MG1/dw-00 page 7 / 20
en MG1/dw-00 / June 13, 2006 Rev. 10.1
Protect the seal from
• direct exposure to heat (sun, heating)
• ultraviolet light (halogen or fluorescent lamps, sunlight, arc welding)
• presence or development of ozone (arc welding, mercury vapour lamps, high-
voltage devices, electric motors)
" risk of embrittlement of elastomeric materials
It has to be differentiated between:
! M.S. stored in the stock room
! M.S. installed in the machine, but not yet in operation.
# M.S. in the stock
IMPORTANT! Store the seal in the original packing lying on a flat surface.
• Check the packaging periodically for damages.
• Plastic sheet packagings with humidity indicators have to be checked every
8 weeks. The check has to be recorded.
" Packings exceeding 50 % rel. humidity values have to be sent to the manu-
facturer or the nearest BURGMANN service centre for inspection and new
packaging.
Duly stored mechanical seal:
• Latest 3 years after delivery of the mechanical seal
• For reasons of safety shipment of the M.S. to BURGMANN resp. nearest
BURGMANN service centre for
" Exchange of all secondary seals and springs
" Verification of the flatness of the faces
" Perhaps static pressure test.
# M.S. installed into the machine:
ATTENTION! A preservation of the BURGMANN mechanical seals is not allowed.
Check in case of a preservation of complete machines with mechanical seals
installed BURGMANN has to be contacted.
• Do not use corrosion protection agents.
" Risk of deposition and possibly chemical attack of the secondary seals.
Due to longer erecting times of new designed plants the period between delivery of
the mechanical seal and on the other hand its installation and start up may exceed
the period of 2-3 years.
Latest after 3 years and in time before the planned start-up of the plant the seal
has to be dismantled and to be sent to the manufacturer or the nearest BURGMANN
service centre where it can be checked and reconditioned, if necessary.
Damages caused by improper storage may not be claimed with reference to the
warranty on the BURGMANN company.
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