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Questions about Maintenance and Overhaul of Magnetic Seals

Can Magnetic Seals be repaired? What does it cost and how long does it take to repair Magnetic Seals?

Yes, they can be very readily repaired.
If you wish to have your Magnetic Seals repaired, send them directly to us without disassembling or contact our sales team.
How much does it cost to repair Magnetic Seals?
In principle, repair should cost no more than half the price of a new parts. (Actual cost depends on the nature of the repair.)
How long does it take to repair Magnetic Seals?
After you send the Magnetic Seals to us, we will contact you with a repair estimate.
Generally you should add 3 weeks from the date of request for repairs.

Can we repair our Magnetic Seal in-house?

Do not try to repair the Magnetic Seal yourself.
If repairs are required, do not disassemble the Magnetic Seal. Ship it directly to Rigaku or contact our sales team.
If you disassemble the Magnetic Seal yourself, the warranty may become void.

How often should Magnetic Seals be replaced?

The answer depends on how you use them. For details, please contact our sales team.

What is "pre-conditioning operation" of the Magnetic Seal?

A pressure rise (or 'pressure spike') might occur when first starting shaft rotation after evacuation.
To minimize this condition, please rotate the shaft prior to evacuation at 5-10 rpm for at least 2 minutes.
This is "pre-conditioning operation" of the Magnetic Seal.

How should Magnetic Seals be stored?

When storing Magnetic Seals, keep them in the packaging in which they were shipped to you in a location free from temperature fluctuations.
If you have already removed the shipping packaging, cover the Magnetic Seals in vinyl or wrapping film and store them in a location free from humidity, dust and temperature fluctuations.

We stored our Magnetic Seals for a long time without using them.
Can we use them now without problems?

Yes. Be sure to run them in sufficiently before using them.
For an explanation of pre-conditioning operation, please see "What is pre-conditioning operation of the Magnetic Seal?" above.


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