# Cooper Machinery Services acquires Wesco Valve and Safety Seal piston ring line

Cooper Machinery Services, a portfolio company of Arcline Investment Management, acquired substantially all assets of Wesco Valve & Manufacturing and the product lines of Safety Seal, Inc., adding engine valves and piston rings to its aftermarket portfolio.

- Type: Acquisition
- Announced: 2026-07-14
- Status: completed
- Products: engine valves, valve seats, piston rings, aftermarket components
- Sectors: [Industrial Machinery](https://endata.com/sectors/industrial-machinery.md)

## Companies

- [Arcline Investment Management](https://endata.com/companies/5302.md) (investor)
- [Cooper Machinery Services](https://endata.com/companies/11500.md) (acquirer)
- [Wesco Valve & Manufacturing](https://endata.com/companies/14466.md) (target)
- [Safety Seal](https://endata.com/companies/14467.md) (target)

## Sources

- [industrialvalvenews.com](https://www.industrialvalvenews.com/featured/cooper-machinery-services-announces-acquisition-of-wesco-valve-manufacturing-and-safety-seal-piston-ring-company/), 2026-07-14: "Cooper Machinery Services, a portfolio company of Arcline Investment Management, today announced the acquisition of substantially all assets of Wesco Valve & Manufacturing Co."
- [valve-world-americas.com](https://valve-world-americas.com/category/acquisitions/), 2026-09-18: "Cooper Machinery Services ("Cooper"), a portfolio company of Arcline Investment Management, announced the acquisition of substantially all assets of Wesco Valve."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.