Audax Private Equity Announces Strategic Growth Investment in Flow Control Holdings

Blackstone to Acquire Majority Stake in Flow Control Holdings

September 10, 2026

Manufacturing

Blackstone funds affiliated with Blackstone Capital Partners and Blackstone Energy Transition Partners agreed to acquire a majority stake in Flow Control Holdings (FCH) from Audax Private Equity, which will retain a minority equity interest. FCH makes engineered flow-control components for data center liquid cooling and food, beverage, and pharmaceutical applications; Blackstone plans to support capacity expansion amid rising demand from AI infrastructure.

Audax Private Equity Completes 1,500th Add-On Acquisition (FCH acquires Sanitary Solutions Group)

May 13, 2026

Industrial Services

Audax Private Equity completed its 1,500th add-on acquisition as part of its Buy & Build strategy. The milestone transaction was FCH’s acquisition of Sanitary Solutions Group, completed on April 14, 2026 and made public earlier in May.

FCH Acquires Axiflow Technologies

February 21, 2026

Industrial Services

FCH completed the acquisition of Axiflow Technologies, a specialist in sanitary twin-screw pump solutions for the food, beverage, and pharmaceutical industries. The deal expands FCH’s hygienic process capabilities and deepens its position in high-purity fluid handling by integrating Axiflow’s proprietary pump technology while Axiflow continues operating with commercial autonomy.

Flow Control Holdings (Audax PE) Acquires Strahman Holdings from CID Capital

July 19, 2023

Manufacturing

Flow Control Holdings, a portfolio company of Audax Private Equity, has acquired Strahman Holdings from Indianapolis-based private equity firm CID Capital II. Strahman, a Bethlehem, Pennsylvania-based manufacturer of washdown equipment, sampling valves and valve automation serving pharmaceutical, food & beverage and industrial markets, will join Flow Control’s platform as an add-on to expand product capabilities and end-market coverage.

Flow Control Holdings (Audax) Acquires DSO Fluid Handling and Flowtrend

February 24, 2023

Manufacturing

Flow Control Holdings (FCH), a portfolio company of Audax Private Equity, acquired sanitary-aftermarket specialists DSO Fluid Handling Company, Inc. and Flowtrend, Inc. The add-on deals (terms undisclosed) expand FCH's product offering and aftermarket capabilities for the food, beverage and pharmaceutical markets, with DSO maintaining a New Jersey office and Flowtrend operating from Houston, Texas.

Flow Control Holdings (Edgewater) Acquires FlexFit Hose, LLC

June 8, 2021

Manufacturing

Edgewater Growth Capital Partners IV’s portfolio company Flow Control Holdings, LLC (through its Ace Sanitary division) has acquired FlexFit Hose, LLC, a manufacturer of flexible hose products for sanitary and high-purity applications. FlexFit will be integrated into FCH’s Ace Sanitary division in Cincinnati to expand the platform’s capabilities in the food, beverage and pharmaceutical end markets.