Bottle Capping Food & Beverage
Rotary Unions for Bottle Capping Machines in Food & Beverage Packaging
In high-speed food and beverage packaging lines, bottle capping is a critical stage that demands precision, reliability, and hygienic operation. The consistent performance of capping machines directly impacts line efficiency and product integrity.
DSTI’s custom-engineered rotary unions are specially designed for the food and beverage packaging industry. Our products deliver sanitary, leak-free rotary sealing for pneumatic bottle capping equipment. We utilize solutions that are trusted by our clients for their smooth, reliable performance under high-throughput, continuous-use applications.

ROTARY UNION Rotary Unions Engineered for OEM Bottle Capping Machines
DSTI rotary unions are engineered for seamless integration into OEM bottle capping systems. With a compact, modular design, our rotary unions save space and simplify system layout while providing reliable rotary sealing for a wide range of media. Our fluid rotary unions are ideal for bottle capping of water, sports drink, dairy, and distilled wine and spirit products.
Whether your application requires single or multi-passage rotary unions for pneumatic or fluid media, DSTI provides custom solutions to satisfy the precise needs of automatic bottle capping machines in packaging lines.
KEY FEATURES OF OUR FLUID ROTARY UNIONS INCLUDE:
- Direct OEM integration for bottle capper machines
- Modular design with a small footprint
- Supports air, vacuum, and CO2 transfer
- Designed for long-term reliability in automated food and beverage packaging
- Stainless steel or TDC coated shafts
- Integration with electric slip rings

Pneumatic Service Sealing Systems
Our rotary unions feature specialized sealing systems to handle the most demanding pneumatic applications in bottle capping systems, including:
- Pneumatic capper actuators and cylinders
- Vacuum systems for cap placement and retention
- Compressed air or CO2 injection processes
Each of our rotary unions is engineered for a long service life with low-friction performance, even in continuous, high-speed operation. Our hygienic designs feature:
- Food-safe materials compliant with industry regulations
- Sanitary construction for clean processing
- Clean-in-place (CIP) systems compatibility
- Washdown-ready design for easy maintenance and sanitation