Vacuum Bag Connector - Aluminum

Vacuum Bag Connector – Aluminum

This aluminum vacuum bag connector creates a fast, reliable port for attaching your vacuum line to the bag. The two-piece design installs through a small slit and locks with a simple twist, while the silicone gasket provides a vacuum-tight seal. Proven in demanding composite shops—including aerospace—this connector is a durable, high-temperature solution for everyday bagging setups.

Key Features

• Twist-lock installation: Insert, twist, and seal—no tools required for normal use.
• Vacuum-tight silicone gasket: Secure, repeatable sealing performance.
• Rugged aluminum body: Stands up to daily shop use and composite shop environments.
• High temperature capable: Holds full vacuum at process temperatures up to 500°F (260°C).
• High strength performance: Successfully used in applications up to 15 bar pressure (process dependent—verify for your setup).
• Clean port creation: Minimal bag opening reduces risk of leaks and rework.

Typical Applications

• Vacuum bagging for wet layup, prepreg, infusion, and out-of-autoclave processes
• Aerospace, automotive, marine, sporting goods, and prototyping composites
• Fixture vacuum and general vacuum hold-down where a through-bag port is needed

How It Works

1. Cut a small slit in the vacuum bag where the port is needed.
2. Place the lower half of the connector inside the bag and the upper half outside.
3. Align the halves through the slit and twist to lock the assembly.
4. Attach your vacuum hose/line to the connector and perform a leak check.

Specifications

• Body Material: Aluminum
• Seal: Silicone gasket
• Max Process Temperature: up to 500°F (260°C)
• Strength / Pressure: used successfully up to 15 bar (application & setup dependent)
• Use Case: Through-bag vacuum port for composite vacuum bagging

Notes & Best Practices

• Always verify temperature and pressure limits against your specific process and materials.
• Use appropriate breather/release media around the port to prevent resin lockup.
• Do not over-tighten—allow the silicone gasket to do the sealing.
• Perform a full leak check before cure/heat to ensure stable vacuum throughout the cycle.