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CG Series - Coal and Gas Geomechanics System
Coupled coal strength, gas adsorption/desorption and permeability testing under controlled stress.
Applications and System Scope
- Coal triaxial and uniaxial compression
- Gas adsorption and desorption
- Stress-dependent gas permeability
- Cyclic damage and residual strength
- Low-permeability transient testing
- Gas drainage and CBM research
Configuration and Engineering Options
Standard configuration
- Servo-controlled loading system
- Gas-compatible triaxial cell
- Confining and pore-pressure circuits
- Gas pressure and flow measurement
- Load, displacement and strain channels
- Automation, logging and safety interlocks
Common engineering options
- Adsorption/desorption package
- Freeze-damage integration
- Automatic BPR
- Gas composition sampling
- High-sensitivity transient pulse
- Temperature control
Automation and Data
- Programmable ramps, holds, cycles and stability criteria
- Independent closed-loop control of selected mechanical, pressure, flow and temperature channels
- Synchronized data acquisition with real-time plots and raw-data export
- Alarm handling, event logging and controlled shutdown logic
RFQ Inputs
Required information Examples Specimen Material, diameter, length, jacket and end interfaces Mechanical envelope Maximum load/stress, displacement, strain and rate Pressure and temperature Confining, pore/back pressure, minimum/maximum temperature Fluids and materials Fluid identity, phase, corrosivity, solids and compatibility Measurement and automation Strain, flow, acoustic/electrical options, sequence and data format Reference guidance only. Final guaranteed specifications are defined in the project-specific technical proposal and approved datasheet.
Maximum axial load Typical configurations to 1,000 kN or project-specific Confining pressure Typical application range to 70 MPa Pore pressure Typical application range to 60 MPa Reference specimen Commonly Ø50 × 100 mm Media Methane, CO₂, nitrogen or project-specific gas Methods Steady-state and transient permeability
![[Harmonized 2026] CG Series - Coal and Gas Geomechanics System](/wa-data/public/shop/products/20/16/1620/images/4150/4150.970.png "[Harmonized 2026] CG Series - Coal and Gas Geomechanics System")
| Brand | Coretest |
