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Helium Leak Tester for CEJN
Unparalleled Coupling Integrity

Test Pressure

500 kPa

Proof Test Load

Cycle Time

26s 

High Efficiency

Leak Rate

10-6

Helium Precision

Installed

Shanghai

China Facility
Reference Project: Fluid Power

High-Sensitivity Validation for Bayonet Couplings.

For our client CEJN, Nolek developed a high-precision Helium Leak Tester designed to validate the integrity of specialized quick-connect bayonet couplings. Installed in Shanghai, China, this system utilizes Helium mass spectrometry to detect leaks that conventional air-testing methods simply cannot reach.

  The Challenge

The requirement for near-zero leak tolerance in critical fluid power connectors, requiring detection down to the 10^{-6} mbar·l/s range.

◈ The Solution

A flexible Helium vacuum chamber system with replaceable fixtures to support multiple product variants and rapid tooling changeovers.

Mass Spectrometry Excellence

Automated Helium testing for high-demand pneumatic and hydraulic coupling integrity.

Ultimate Sensitivity

System Versatility

Operational Flow

Helium Leak Tester for CEJN.

Technical Specifications

Precision validation for quick-connect couplings and fluid connectors.

Specification

Details

Test Piece

Bayonet connector / Couplings

Key Features

Multi-part testing, Replaceable fixtures

Proof Test Pressure

500 kPa

Cycle Time

Ca 26 seconds

Max Leak Rate

1x10-5 – 5x10-6 mbar·l/s

Installed Location

Shanghai, China

Test Technology

Helium Mass Spectrometry (Vacuum Chamber)

Industry

Fluid Power / Industrial Pneumatics