Compression Proving Rings

Compression Proving Rings


Type Tension Proving Ring
Material Metal
Certification ISI Certified
Application Load Meassurements
Usage Industral
Capacity 100-1000nm
Packaging Type Protective Wooden Case
Automation Grade Automatic

We offer high quality Compression Proving Rings. These Proving Rings are used for load measurements and are used in the outfits of a number of Soil/Cement & Bitumen Testing Equipments like Direct Shear Test Apparatus, Triaxial Shear Test Apparatus, C.B.R. Test, Unconfined Test, and Marshall Test etc. Compression Proving Rings are made out of special steel carefully forged to give maximum strength and machined to give highest sensitivity combined with stability to ensure long life and accuracy. When compressive or tensile load is applied within the elastic range, the Proving Rings get temporarily deformed. This deformation is measured by a sensitive dial gauge fixed co-axially at the centre of the proving ring. The dial gauge readings thus obtained versus laod applied enable the operator to find out unknown load, just by noting the dial gauge reading for the unknown load.

Features :

  • The Proving Rings have high elasticity and on removing load they regain their original shape provided they are loaded in their elastic limits
  • A dial gauge and plunger anvil are mounted on brackets clamped to the ring body
  • The dial gauge is held perfectly rigid without the remotest chance of shifting due to inadvertent shocks or pressures exerted on it
  • The dial gauge plunger rests on an adjustable anvil

Proving Rings, from 50kg to 100,000k9 capacity provided with 112 inch B.S.F. female threads. Loading bosses and a loading ball nipple and steel ball are supplied with each ring. Rings of capacity over 25000kg (or 25 Tones) are not thus threaded. Each ring is individually calibrated and supplied with works calibration chart and a carrying case.

Calibration Charts from Standa rd Laboratories for the Proving Rings ordered are also available at extra cost. All Proving Rings are Integral type. Integral type Compressive Proving Rings of different capacities from 50 kgf to 200000 kgf are available.

  • Above capacity 50 to 500kg
  • Above cap.500 to 3000kg
  • Above cap. 3000 to 5000kg
  • Above capacity 5000 to 1 0000kg
  • Above capacity 10000 to 20000kg
  • Above capacity 20000 to 30000kg
  • Above capacity 30000 to 50000kg
  • Above capacity 50000 to 1 00000kg
  • Above capacity 100000 to 200000kg
  • Above capacity 200000 to 300000kg

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