Static Constant Loading Tester for Thermoplastic Manhole

BS EN 13598-1:2003

Applications

QT-SCL Static Constant Loading Tester is mainly used to determine the resistance to the axial static constant load of plastic manhole. A constant force is steadily loaded on the axial direction of the manhole for the specified time, when the test is finished, observing the sample appearance (deformation, collapse, crack or crazing), determine the deformation in axial direction and calculate the deformation ratio of manhole. The machine is also suitable for ring stiffness test, flattening test, ring softness test of thermoplastic pipes.

BS EN 13598-1:2003 Plastics piping systems for non-pressure underground drainage and sewerage. Unplasticized poly (vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE). Specifications for ancillary fittings including shallow inspection chambers. It gives definitions and requirements for ancillary fittings of PVC-U, PP, and PE that can be used in non-pressure underground drainage and sewerage systems either outside the building structure or buried in ground within the building structure.

Features

  • Gate-type structure with super high rigidity, test speed can be controlled in a wide range, seamless ball bearing ensures high accuracy and stable performance.
  • Imported digital AC servo system has been introduced, piecewise linear correction method ensures high accuracy and stability of system.
  • Bridge structure of load sensors avoids side loading especially for big pipes.
  • Unique type inner diameter measuring system tracks the deformation of inner diameter. It is easy to install sample and carry out measurement
  • With protection functions of overload, over current, over force as well as over temperature, also multi protection methods have been set in mechanical & electrical part and software system.
  • Module design satisfies customers’ requirement on extended function. Compression, bending, Ring stiffness, Ring flexibility, Flatten, Shear and Creep ratio tests can also be carried out on this tester.
  • The system is highly intellectualized, whole test procedure will be recorded automatically.

Technical Specifications

Max. Test Force

200kN

Force Accuracy

±1%

Force Display Resolution

1/200000 FS

Crossbeam Displacement Accuracy

±1%

Test Speed

5~200mm/min (stepless)

Speed Error

±1%

Control Range of Constant Load

5%-100%FS

Control Accuracy of Constant Load

±1%

Max. Stroke

2500mm

Max. Dimension of Manhole Base

φ1600mm

Timing Range

0h~9999h

Timing Accuracy

±0.1%

Security Protection Grade

IP55

Dimensions

1700 × 2400 × 3800mm

Weight

4000kg

 

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