quick info

The Vertex Integral Proving Rings Compression Type are made up of special steel, carefully forged to give maximum strength and machined to give high sensitivity commensurate with stability, ensuring long life and accuracy.

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This Warranty covers the defects resulting from defective parts, materials or manufacturing, if such defects are revealed during the period of 12 months since the date of purchase.


All pictures shown are for illustration purpose only. actual product may vary due to product enhancement.







All proving rings are integral type viz. the loading (outside) bosses are forged integral with the ring body. This ensures that there is no possibility of abutment shift and consequent loss of accuracy in reading that always exists with bolted abutments. Repeatability in these Proving Rings is as stipulated in IS:4169. The rings are supplied complete with a dial gauge and Works Calibration Chart, individually packed in polished wooden boxes.


Model No. Capacity Loading Pads Product Code
VSLIC 372 0.25kN VSLIC 26101 VSLIC 37212
VSLIC 373 0.5kN VSLIC 26201 VSLIC 37312
VSLIC 374 1kN VSLIC 26301 VSLIC 37412
VSLIC 375 2kN VSLIC 26401 VSLIC 37512
VSLIC 376 2.5kN VSLIC 26501 VSLIC 37612
VSLIC 377 4kN VSLIC 26601 VSLIC 37712
VSLIC 378 5kN VSLIC 26701 VSLIC 37812
VSLIC 379 10kN VSLIC 26801 VSLIC 37912
VSLIC 380 15kN VSLIC 26901 VSLIC 38012
VSLIC 381 20kN VSLIC 27001 VSLIC 38112
VSLIC 382 25kN VSLIC 27101 VSLIC 38212
VSLIC 383 30kN VSLIC 27201 VSLIC 38312
VSLIC 384 40kN VSLIC 27301 VSLIC 38412
VSLIC 385 50kN VSLIC 27401 VSLIC 38512
VSLIC 386 100kN VSLIC 27501 VSLIC 38612
VSLIC 387 200kN VSLIC 27601 VSLIC 38712
VSLIC 388 300kN VSLIC 27701 VSLIC 38812
VSLIC 389 500kN VSLIC 27801 VSLIC 38912
VSLIC 390 1000kN VSLIC 27901 VSLIC 39012
VSLIC 391 2000kN VSLIC 28001 VSLIC 39112
VSLIC 392 3000kN VSLIC 28101 VSLIC 39212

Supplied with Vertex Calibration Certificate, NPL/NCCBM/SUSHMA Calibration can be provided on request at extra cost.

Model No. Capacity Loading Pads Product Code
VSLIC 401 0.5kN VSLIC 29001 VSLIC 30112
VSLIC 402 1.0kN VSLIC 29101 VSLIC 30212
VSLIC 403 2.0kN VSLIC 29201 VSLIC 30312
VSLIC 404 2.5kN VSLIC 29301 VSLIC 30412
VSLIC 405 5.0kN VSLIC 29401 VSLIC 30512
VSLIC 406 10.0kN VSLIC 29501 VSLIC 30612
VSLIC 407 20.0kN VSLIC 29601 VSLIC 30712
VSLIC 408 50.0kN VSLIC 29701 VSLIC 30812
VSLIC 409 100.0kN VSLIC 29801 VSLIC 30912

Supplied with DVG/NPL Calibration Certificate can be provided on request at extra cost.


For all compression proving rings and tension-compression proving rings up to and including 5 KN capacity the loading bosses have female threading ½” BSP (16 TPI). The boss faces are ground and polished and are plane parallel to within 0.2mm total DTI run out. Tension compression rings have their integral loading bosses male threaded, 1.25” dia, 8 TPI square thread, 1.25” long. Caps are provided for use when loading in compression Repeatability is as stipulated in IS 4169 The rings are supplied complete with a dial gauge and Works calibration Chart.



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