In shrink sleeve labeling applications, few elements are as critical to final product quality as the steam shrink tunnel. It's where your label conforms precisely to the container—creating a clean, contoured, and shelf-ready finish that enhances both branding and shelf presence.
Tripack, an industry-leading shrink sleeve equipment manufacturer, offers a scalable family of steam tunnels designed to meet a wide range of production needs across beverage, food, dairy, wine, automotive, and cosmetics markets. Whether you're launching a new product or running at full production capacity, the ST-1, ST-2, and ST-3 Series Steam Shrink Tunnels deliver reliable, flexible performance.

ST-1 Series Steam Tunnel
Flexible Performance for Low to Mid-Speed Production
The ST-1 Series steam tunnel is a versatile, mid-sized solution designed for low to mid-speed production environments that require consistency, flexibility, and efficient footprint usage. With multiple independently adjustable steam zones and a 6.5 ft tunnel length, it provides reliable shrink performance across a wide range of container shapes and label types.
Key Features
- Stainless steel dual-wall construction with integrated water drainage
- Independent, adjustable steam baffles with tool-less controls and individual flow valves
- Regulator and gauge kit for precise steam pressure management
- Variable-speed exhaust system and windowed access doors for visibility and safe operation
Best For
- Growing brands moving into steady production
- Contract packagers managing multiple SKUs
- Food, beverage, and personal care applications with moderate throughput
Bottom line: The ST-1 delivers production-capable performance without the footprint or complexity of larger systems.
ST-2 Series Steam Tunnel
Scalable Control for Growing Production Line
The ST-2 Series steam tunnel is Tripack's largest and most versatile model, built for high-throughput and high-demand environments. With its 10 ft tunnel length and multiple independently controlled steam zones, it provides enhanced control for achieving uniform shrink results across complex containers and full-body sleeves.
Key Features
- Heavy-gauge stainless steel dual-wall construction
- Independent steam zone control for precise heat application
- Variable-speed exhaust system and windowed access doors
- Integrated water collection and drainage system
Best For
- High-volume food and beverage production
- Dairy containers and full-body sleeve applications
- Lines with frequent SKU changeovers
Not sure which steam tunnel fits your line? Contact Tripack's experts
ST-3 Series Steam Tunnel
Compact Precision for Targeted Applications
The ST-3 Series steam tunnel is a compact, single-zone solution with a 3 ft tunnel length, designed for targeted, space-constrained, or supplemental applications. Despite its smaller footprint, it delivers precise and consistent shrink performance.
Key Features
- Compact design for tight production layouts
- Single-zone configuration with adjustable steam baffles
- Regulator and gauge kit for steam pressure control
- Integrated drainage system for clean operation
Best For
- Tamper-evident banding
- Small-batch production
- Supplemental use in multi-stage systems
Supporting More Than Equipment
Tripack's Full-Service Commitment
Tripack goes beyond equipment manufacturing. As a hands-on partner in shrink sleeve systems, we operate an in-house contract labeling facility using the same equipment we design and build. This real-world experience results in more intuitive, reliable systems.
Services Include
- Installation and training
- Preventative maintenance and troubleshooting
- Parts availability and technical support
- Application consulting
Choosing the Right Steam Tunnel
When evaluating steam tunnel options, consider:
- Production volume and speed requirements
- Container shape and sleeve complexity
- Available line space
- Future scalability needs
One Family of Solutions. One Reliable Partner.
Tripack's ST Series—ST-1, ST-2, and ST-3—offers scalable, high-performance solutions for real production needs.
Connect with Tripack