Core sleeves

The GL Test Systems GmbH offers a wide range of core sleeves to protect a cylindrical specimen from the pressure medium in triaxial pressure vessels.

• Materials: NBR, FKM
• Standard sizes: 1“, 1.5“, 2“, 18mm 30mm, 50mm, 100mm (other on request)
• Wall thickness: 1.5  3.0 4.5 mm
• Length: up to 1000 mm
• Option for special radial adaptors e.g. for lateral strain or ultrasonics
• Optimal fit for many pressure vessels
• Optimal pressure transmission
• Maximum tightness in the entire range from low to maximum confining pressure
• Seals even after sample failure 
• Suitable for long-term tests
• Typically reusable
• Easy installation and removal of the sample
• Optimal protection of the sample
• Tight without any additional seals