JJ Test

JJTCT Thermal Cycling Tester

The thermal cycling tester determines the leakage status of composite pipes and fitting when subjected to specific internal pressure.

The Thermal Cycling Tester is mainly used to determine the leakage status of composite pipes & fittings when subjected to specified cycling times under specified internal pressure load.

Description: Thermal Cycling Tester consists of following elements:

  • Sample chamber
  • Cold water tank (with chiller & heat exchanger), hot water tank with heaters
  • Electric control panel
  • Flow measurement and regulation(optional)
  • High temperature and high pressure only exsit in the sample and short piping, that all the electric parts in circulation line work at normal pressure to attain a long service life.
  • Lockable transparent folding doors make samples installation more easily and allow easy access to all samples from three sides.
  • Testing control and monitoring of individually station takes over PLC and touch screen terminal. Testing results are easily transferred to Microsoft Excel for further processing.
  • Individual circulation time, flow rate and pressure can be selected.
  • It provides the test constancy as regards to temperature, pressure and flow rate as well as lowering the energy consumption.
  • Several reliable safeguard, e.g. liquid level measuring devices, emergency stop switch and cord switch ensure the tester to be out of action in time if the test fails or piping system bursts. Doors shall be locked during testing period
  • High quality Grundfoss pumps are used to provide pressure in sample strings. Automatic water filling design ensures full tank capacity during the whole time.
  • Pre-stress system was introduced to apply the initial tensile stress (optional).
  • Quick calibration. System enables pressure calibration and temperature calibration during testing , it means that system may continue running during calibration.

ISO 10508, ASTM F 1335-98 and the equivalent.

  • Pressure range: 4.00bar~12.00bar(0.400Mpa~1.200Mpa)
  • Pressure control accuracy: ±0.05 Mpa
  • Number of test stations: 6
  • Alternation time between hot and cold water: <60s
  • Cycle period: 300s~1800s
  • Number of cycles: selectable 1~100000
  • Temperature range (cold water): 200C to RT (selectable)
  • Temperature range (hot water): RT to 950C (selectable)
  • Temperature control accuracy (cold water):±20C
  • Temperature control accuracy (hot water): ±10C
  • Temperature display error: 1 0C
  • Temperature Uniformity: ±10C
  • Max. total cross-sectional dim. of all connected test samples: 6200 mm2 (2×Φ63)/4200 mm2(1×Φ63)
  • Power supply: 380VAC 50Hz 25KW
  • Overall dimensions(L×W×H): (5200×3200×2100)mm(6 stations)
  • Installation dimension(L×W×H): (6000×4000×3000)mm

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