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OpenGate Capital agrees to acquire Knorr-Bremse’s rail HVAC unit Merak

Reported by PE Hub
Jul 29, 2026· 2 min read
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Key Takeaways
  • • OpenGate Capital has agreed to acquire Merak, Knorr-Bremse's rail HVAC (heating, ventilation, and air conditioning) business unit, though the transaction value was not disclosed in available sources.
  • • Merak, headquartered in Getafe, Spain, operates as an established rail climate control provider with over 60 years of engineering expertise and operational history in the transportation sector.
  • • The transaction represents OpenGate Capital's continued expansion into specialized industrial and transportation infrastructure assets through acquisitive growth.
  • • Knorr-Bremse's divestiture of its rail HVAC division aligns with potential portfolio optimization or strategic refocusing by the German rail systems supplier.
Summary
OpenGate Capital has reached an agreement to acquire Merak, the rail HVAC unit of Knorr-Bremse, marking a significant transaction in the specialized transportation equipment sector. Merak, based in Getafe, Spain, brings substantial operational credibility to the transaction, having built its business over more than 60 years of engineering expertise in rail climate control systems.

The acquisition represents OpenGate Capital's continued strategic focus on industrial assets within niche transportation markets. While the specific transaction valuation was not disclosed in available sources, the deal underscores ongoing consolidation activity among private equity buyers seeking established infrastructure and transportation-adjacent businesses with long operational track records.

Knorr-Bremse's decision to divest its rail HVAC operations suggests a potential strategic realignment within the broader organization, potentially enabling the company to focus capital and management attention on core rail systems and braking technologies. Merak's 60+ year operational heritage in rail climate control positions the unit as a mature, cash-generative asset that should appeal to infrastructure-focused investors seeking stable revenue streams within the European transportation sector.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

PE Hub OpenGate Capital agrees to acquire Knorr-Bremse’s rail HVAC unit Merak