The Jarvis Model BRE-1 and BRE-2 -- pneumatically powered bung ring expanders.
Used for expanding and installing bung rings in the beef industry. Eliminates contamination from the bung areas by sealing the bung. Mechanically seals bung with a ring – reduces human error during bunging operation Lightweight and flexible for optimum operator comfort. Smooth surface construction for easy cleaning and optimum hygiene.

Technical Specifications
| Drive | Pneumatic |
|---|---|
| Operating Pressure | 90 - 100psi / 0.74L |
| Air Consumption (per cycle at 100psi / 6.9bar) | 0.026ft3 / 0.74L |
| Opening (maximum) | 3.8 x 3.9in / 97 x 99mm |
| Control Handle | Single Trigger / Pneumatic |
| Overall Length | 14in / 356mm |
| Overall Width | 5.2in / 132mm |
| Weight | 3.5lbs / 1.6kg |