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Valve Seal Case Study

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Customer Profile

This company is a leading manufacturer of components for central heating systems including manual valves, motorised valves and connectors.


The customer required a lower cost sealing solution for a motorised valve used in central heating systems. They were using an extruded and finish-machined PTFE part in tens of thousands of pcs per annum and needed to reduce the unit cost.

Sealing Challenge

Ceetak needed to fulfil the customers’ expectations on target costs whilst maintaining the integrity and performance of the seal.

Ceetak Solution

We supplied a moulded version of the seal in a new material; a glass fibre and PTFE filled acetal. This improved the wear properties and also provided a high integrity finish to allow smooth movement within the valve. We also adapted the surface flatness to provide a better seal and improve the sealing integrity.


The new design sealed effectively and the customer was pleased with the overall savings made per valve.

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