Calculate potential seal savings Use the calculator below to estimate cost savings by installing Kalrez® perfluoroelastomer parts Kalrez® seals extend mean time between repair (MTBR), which reduces both scheduled and unscheduled down time, associated costs, and results in significant cost reductions and/or cost avoidance.

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Example data for calculating total system cost for O-rings in coupling:
(amount in US$ can also stand for Euros)

*Downtime cost generally ranges between US$ 1000 and 3000. The above example was kept rather conservative. With higher downtime cost, total system cost savings could be even higher. The example covers 15-30 minutes to replace O-ring and rebuild coupling, or to install a spare coupling. Of course, each plant has its unique replacement rate and downtime cost to be considered for this cost calculation.

Explanations to above chart:

• The initial seal price of the Kalrez® O-ring is estimated at 50 times higher than the current elastomer O-ring. This is an indicative number, if you would like to get a quote for a Kalrez® part, please contact us
• The installation (100.-) and the downtime cost (1000.-) related to seal failure are the same for both O-rings.
• The lifetime of the Kalrez® O-ring is twice as long (36 months) as the lifetime of the current O-ring (18 months). Thus, for a timeframe of 3 years, the current O-ring will need to be replaced once, whereas the Kalrez® part does not need replacing. The resulting total cost (total downtime cost and cost for installations) related to the number of seal replacements is also higher for the current O-ring material used.
• Conclusion: The lifetime of the O-ring has a dramatic impact on total system cost. In this example, even for only one O-ring installed, savings of 87% could be realized from using a Kalrez® O-ring.