Compression Proving Rings - (CPR-01)

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 inadvement shocks or pressures exerted on it. The dial gauge plunger rests on an adjustable anvil. Proving Rings , from 50 kg to 1,00,000kg capacity provided with 1/2 inch B.S.F femal threads. Loading bosses and a loading ball nipple and steel ball are supplied with each rings. Rings of capacity over 25000kg (or 25 Tonnes) are not thus threaded. Each ring is individually calibrated and supplied with works calibration chart and a carrying case.Calibration charts from Standard 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 50kgf to 200000kgf are available.(a) above cap. 50 to 500kg.(b) above cap. 500 to 3000kg.(c) above cap. 3000 to 5000kg.(d) above cap. 5000 to 10000 kg.(e) above cap. 10000 to 20000 kg.(f) above cap. 20000 to 30000kg.(g) above cap. 30000 to 50000 kg.(h) above cap. 50000 to 100000 kg.(i) above cap. 100000 to 200000 kg.(j) above cap. 200000 to 300000 kg.