Agilents Compact Diffusion Pumps Advance Vacuum Tech for Research Industry

June 15, 2026
Latest company blog about Agilents Compact Diffusion Pumps Advance Vacuum Tech for Research Industry

In the microscopic world where precise vacuum conditions determine experimental success and product quality, unreliable pump performance or cumbersome maintenance can become significant obstacles. Agilent's compact diffusion pump series addresses these challenges with exceptional performance and reliability, supporting advancements across scientific research and industrial applications.

Agilent Compact Diffusion Pumps: The Essence of Vacuum Technology

The Agilent compact diffusion pump series delivers outstanding vacuum performance across pumping speeds ranging from 65 to 5,000 L/s, featuring robust boiler designs and fully optimized nozzles. These space-efficient yet powerful units provide stable vacuum environments suitable for diverse applications, from research laboratories to industrial production lines.

Product Highlights: Performance Meets Application
AX-65 Diffusion Pump: Compact Powerhouse

The Agilent AX-65 oil diffusion pump stands as the smallest diffusion pump available, uniquely featuring air-cooled design. Its vertical-finned boiler and high-power configuration ensure stable pumping speed with exceptional helium performance. Optional cold traps or high-density baffles complement the built-in oil level sight glass for convenient monitoring.

Key Features:
  • Air-cooled design eliminates need for additional cooling systems
  • Vertical-finned boiler enhances heat dissipation
  • High helium pumping speed for specialized gas handling
  • Integrated oil level sight glass simplifies maintenance
Applications:
  • Gas chromatography-mass spectrometry (GCMS)
  • Centrifuges
  • Compact vacuum systems
HS-2 Diffusion Pump: High Throughput Efficiency

The Agilent HS-2 oil diffusion pump delivers high throughput with air pumping speeds reaching 160 L/s and helium/hydrogen speeds up to 200 L/s. Its optimized vapor jet design and durable boiler construction ensure years of maintenance-free operation. Available with ASA inlet flanges and optional 120V or 240V power configurations.

Key Features:
  • High pumping speed reduces evacuation time
  • Optimized vapor jet design improves efficiency
  • Robust boiler construction ensures longevity
Applications:
  • GCMS systems
  • Centrifuges
  • High-speed vacuum systems
VHS-4 Diffusion Pump: Configurable Performance

With pumping speeds up to 750 L/s, the VHS-4 offers flexible configuration options including ASA or ISO flanges, standard or extended cold traps, and multiple voltage choices. The stainless steel pump body incorporates an oil level sight glass with fill/drain components for simplified maintenance. The patented Bulge Contour design enhances gas capture while maintaining low pressure.

Key Features:
  • Multiple configuration options for diverse applications
  • Stainless steel construction resists corrosion
  • Integrated maintenance components reduce downtime
  • Finned boiler extends oil service life
Applications:
  • Vacuum furnaces
  • Heat treatment systems
  • Metallization processes
  • Optical and protective coating systems
VHS-6 Diffusion Pump: Enhanced Capacity

The VHS-6 delivers pumping speeds up to 1,550 L/s with the same configurable options as the VHS-4 series. Its enhanced capacity makes it suitable for larger-scale industrial applications while maintaining the series' signature reliability and ease of maintenance.

VHS-10 Diffusion Pump: Industrial-Grade Performance

As the flagship model with pumping speeds reaching 3,650 L/s, the VHS-10 meets the most demanding industrial requirements. Its robust design and advanced features make it ideal for continuous operation in harsh industrial environments.

VHS-250 Diffusion Pump: Reliable Heavy-Duty Solution

With pumping speeds up to 2,125 L/s, the VHS-250 combines power with reliability for critical industrial processes. Its durable construction ensures consistent performance in extended operation cycles.

Engineering Excellence for Scientific Advancement

Agilent's compact diffusion pump series represents a commitment to vacuum technology innovation, offering research institutions and industrial facilities reliable solutions that combine performance, durability, and operational efficiency. These systems continue to support breakthroughs across multiple disciplines where precise vacuum conditions are paramount.