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Ring Stiffness Tester UTM-1411

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Ring Stiffness Tester, also named ISO 9969-2007 Thermoplastics Pipes or Ring Stiffness Testing Machine, it is used to determine thermoplastic pipe ring stiffness which with a circular cross section. It can also be applied to flat experiment, ring flexibility experiment, etc. The instrument meets the requirement of test standards for PE double-wall corrugated pipe, coil pipe and all kinds of plastic.

Ring Stiffness Tester UTM-1411

UTM-1411 Ring Stiffness Tester is used to determine the ring stiffness of thermoplastic pipes having a circular cross section. The ring stiffness is determined by measuring the force and the deflection while deflecting the test piece of pipe at a constant deflection speed.

FYI- best Ring Stiffness Tester Supplier of china with affordable price. Ring Stiffness Testing equipment is widely used in the determination of the ring stiffness of thermoplastic pipe and glass tube with circular cross section.

This machine complies with the following standards:GB/T 9647, ISO 9969.

Follows are features of Ring Stiffness Tester

  • The drive system controls the full digital AC servo motor through the distributed control system composed of PC and single chip microcomputer, drives the beam move according to the specified speed and applies force to the test piece through the loading plate;
  • PC control software, intuitive and simple operation, achieves screen display of test load, beam displacement, deflection of test piece, ring stiffness and test curve;
  • Equipped with pipe inside diameter measuring system, can accurately measure the pipe inside diameter;
  • It has the functions of overload, overcurrent and overvoltage protection.


Application of Ring Stiffness Tester

Ring Stiffness Tester is used to plastic underground drainpipe comprehensive parameters of external pressure load resistance. In order to ensure the safety of plastic underground drainpipe and outer pressure loads, the choice of ring stiffness is one of the key in design. If the ring stiffness of the pipe is too small, the tube may be too large deformation or buckling failure. On the contrary, if the ring stiffness is too high, it must be used too much of the moment of inertia, which will result in too much material and too high cost.

It is a necessary testing instrument for the scientific research institutes, quality inspection departments and tubing manufacturers.

If you need more information about Thermal Cycling Test Machine. Please contact with us.


Standards of Ring Stiffness Tester

ISO 9969 GB/T9647


Some standards might not be the full version; to read the full version for free, write an email to [email protected].
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Key specification

Key specification of Ring Stiffness Tester

Maximum load value 30KN
Load accuracy ±1% of the indicated value
Beam speed range 1~500mm/min, adjustable
Displacement accuracy ±1% of the indicated value
Effective compression space 1,500mm
Measuring range of inside diameter φ200mm~φ1500mm
Test width of ring stiffness 1,100mm
Power supply AC220V, 50Hz
Dimensions 1,600×700×2,300mm (L×W×H)


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