gas-cooled compressor UL-HG
Product Quick-Check
- Proven and reliable oil pump lubrication
- Standard footprints
- Standard-position sight glass
- mexxFlow® 2.0 valve plate system
- Newly designed housing with optimized gas flow
- Standard-position valves
- Highly efficient electric motors of the latest generation
- Exchangeable motor
Gas-cooled compressor UL-HG series
More Benefits
- Excellent running smoothness
- Efficiency and reliability at the highest quality level
- Service-friendly design, for example due to interchangeable drive motors
- Oil pump lubrication
- Electronic motor protection INT69 G
(Models: HG12P, HG22e, HG34e, HG44e, HG 56e, HG66e)
"UL" stands for the U.S. company “Underwriters Laboratories (UL)”.
It tests and certifies products about their safety. UL standards encompass UL’s safety research and scientific expertise.
gas-cooled-compressor UL-HG series
6 sizes and 22 displacements

gas-cooled compressor UL-HG series
Refrigerant Overview

gas-cooled compressor UL-HG series
Type Code
- Identification UL compressor
- Hermetic gas-cooled
- Ester oil filling
- Size
- Number of cylinders
- Series (efficiency)
- Swept volume
- Motor application: S – strong motor e.g. AC; ML – motor for MT and LT
- HP code for motor size
BOCK UL compressor range
Product brochure