With over 10,000 units sold in 80 years, the Atlas Copco GLS rotary piston pump sets the standard for performance and reliability as the industry’s most efficient, space-saving design.

As part of the Atlas Copco Group, Stokes Vacuum continues to innovate oil-lubricated rotary piston pumps. The GLS has been improved, upgraded and fine-tuned. It delivers even better dependability and productivity combined with minimal
maintenance and process downtime, especially crucial in demanding applications such as the automotive or aerospace industry and their supply chains.
Designed compactly for maximum uptime with minimal moving parts and large clearance, the GLS rotary piston pump has advanced balancing that reduces vibration and is easy to maintain. Add a ZRS booster to the GLS to increase the pumping speed.

Every feature works towards providing you with exactly what you need. From a low lifecycle cost, to in-house service for extra peace of mind, to reliable operation.
Keeping in mind the automotive and aerospace industry and their supply chains, the GLS has been improved, upgraded and fine-tuned.

• Chemical processing
• Heat treatment
• Vacuum melting
• Metallurgy
• Leak detection
• PET processing
• Large area glass coating
• Large chamber pumping requirements
• Pharmaceuticals
• Transformer drying and cable fluid conditioning
• Vacuum coating
• General applications