The Myth of Routine Failure
The Myth of Routine Failure

I see the same pattern on process plants repeatedly.
A joint that is always on the maintenance list. A shutdown that arrives every six months like clockwork. A reorder raised automatically for the exact same material. Nobody questions it because it has always been done that way.
But you are not scheduling maintenance. You are scheduling a recurring failure.
Every time that line stops, you lose production hours and risk an unplanned shutdown.
Elastomers Do Not Fail on a Timetable
Elastomers do not simply give up on a rigid timetable without a root cause. If an FKM or EPDM ring is hardening, cracking, or swelling twice a year, it is not a consumable wearing out.
It is failing because it is the wrong material entirely.
It is merely surviving until it perishes under chemical or thermal attack, rather than actually sealing.
Stop Calling It Maintenance
We need to stop treating elastomer degradation as a routine maintenance schedule. A seal replacement every six months is a specification decision nobody has bothered to revisit.
Let us look at the condition of the next failed elastomer you pull from that flange.
Free Material Assessment
If a recurring failure is on your maintenance list, send me a photo of the next one you remove. I will tell you whether the material is the problem, or whether the answer lies elsewhere. No charge.
📞 Call: 07767 842601 📩 Email: office@acumenseals.co.uk 🌐 Visit: acumenseals.co.uk
Solutions related to this article
If this failure mode sounds familiar, these are the products and services that usually fix it.
- FFKM O-RingsPerfluoroelastomer O-rings for aggressive chemistry and temperatures to 325C.View details
- Component SealsSeal faces, springs, bellows and secondary seals in carbon, silicon carbide and tungsten carbide.View details
- Encapsulated O-RingsFEP or PTFE jacketed O-rings for fluids that destroy standard elastomers.View details
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Founder and Mechanical Seal Specialist, Acumen Seals & Pumps
Published on 2026-04-24
45 years in engineering and 36 years in sealing. Andrew specifies, supplies and troubleshoots mechanical seals, FFKM elastomers and pump sealing systems for UK industry.
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