Cherne Air-Loc Vacuum Generator – ASTM C1244 Compliant Manhole Tester | Converts Air Compressor to Vacuum Source | Models 460 & 600 for Sewer Testing

Cherne® Air-Loc® Vacuum Generators for Manhole Testing – Reliable Vacuum Source Using Standard Compressors

The Cherne® Air-Loc® Vacuum Generators provide contractors and municipalities with a dependable, cost-effective way to perform ASTM C1244 manhole vacuum testing. Designed for use with Cherne® Air-Loc® Bladder Manhole Testers, these generators convert a standard air compressor into a powerful vacuum source—eliminating the need for dedicated vacuum pumps and saving time on the jobsite.

With rugged construction and efficient performance, Air-Loc® Vacuum Generators can draw a manhole vacuum in just minutes, making them a trusted choice for sewer line contractors, utilities, and municipal crews.

Key Features: Fast, Dependable Vacuum Testing

• Compressor-Powered Vacuum Source – Converts a standard air compressor into a vacuum source for manhole testing.

• Quick Setup – Draws a vacuum in minutes, ensuring rapid and efficient testing.

• Two Models Available:

  • Vacuum Generator 460 – Delivers 14 CFM at 10" Hg (requires a minimum 7 CFM @ 100 PSI air compressor).

  • Vacuum Generator 600 – Delivers 42 CFM at 10" Hg (requires a minimum 85 CFM @ 100 PSI air compressor).

• Meets ASTM C1244 Standards – Ensures accuracy and compliance for infiltration and exfiltration testing.

• Built for Jobsite Durability – Designed for long service life and consistent performance.

Common Applications

• Municipal Sewer System Testing – Ensure new or rehabilitated manholes meet vacuum testing requirements.

• Utility Contractors – Cost-effective solution for reliable manhole testing without purchasing standalone vacuum pumps.

• Wastewater Treatment Infrastructure – Test manholes for leaks and verify structural integrity.

• Rehabilitation Projects – Confirm watertightness of lined or repaired manholes.

Recommended Pairing for Complete Manhole Testing Systems

• Use with Cherne® Air-Loc® Bladder Style Manhole Testers essential for sealing manhole openings during testing.

• Alternative power option: the Cherne® Air-Loc® Vacuum Pump which comes with a built-in engine for crews that prefer a self-contained vacuum source.

A Cost-Effective & Flexible Vacuum Testing Solution

The Cherne® Air-Loc® Vacuum Generators deliver the power, speed, and reliability you need to perform efficient manhole testing. By converting a standard air compressor into a high-performing vacuum source, these tools give contractors and municipalities a versatile alternative to dedicated pumps—without compromising performance.