Crane buttons

October 15, 2018
By Unirope
Among their many in-house fabricated products, Unirope manufactures a torpedo style mobile crane button for non-rotating wire rope. Each button is type tested to destruction and subjected to the same rigorous 75,000 cycle test demanded under EN-13411.

After installation onto the rope each button is proof-tested to 40 per cent of the rope’s minimum breaking strength. The button is permanently stamped with a unique serial number and a test certificate is issued for each button installed.

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