State-of-the-art technology to test pipes with through axial cracks subject to internal pressure Applications
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 • Structural integrity of pressure vessels
 • Pressure vessels with through cracks
 • Research on bi-axiality effects
 • Research on size and shape effects
 • Durability testing
 • Service pressure history simulation
 • Fatigue crack growth
 • K-controlled testing, threshold studies
 • Residual strength & fracture toughness
 • ASTM E1820 including J1c
 • Elevated temperature testing |   |
 Standard Features
 • Automated pipe-end sealing technology
 • Double seals to ensure spill-free operation
 • Suited to toxic and radioactive environments
 • Option of remote operation
 • Crack patching without restraint on crack opening
 • Custom sealing processes for custom geometries
 • Elevated temperature testing (proven to 3000 C)
 • Servo-control with digital precision
 • Choice of pressure, displaced volume or crack opening displacement control
 • Pressure and K-controlled fatigue crack growth
 • Decreasing-K fatigue pre-cracking
 • COD-controlled ductile fracture test to instability
 • Incremental crack extension from unloading compliance
 • Acoustic emission and ac/dc PD options
| Specifications
 • 12 KVA hydraulic drive. 3-phase 440V
 • Closed loop water for pressurization
 • Built in priming and bleeding circuit
 • Test rig with horizontal part location
 • Hydraulically activated sealing and pipe ejection
 • Accepts pressure vessels of any shape
 • Pressure cycling at up to 25 Hz
 • Open-architecture control hardware and software
 • 12 kHz digital servo-loop update
 • Up to 2 kHz continuous data acquisition
 • MS-Office compatible user interface: Test results in XL, Word or PPT |
We rejuvenate obsolete or abandoned systems with state-of-the-art digital controls and user-friendly MS-Windows compatible application software
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Test Systems