Welcome to the 4ward Testing Standards Database.  Here you will find a list of all the standards we have tested.

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Feel free to search numerically for simplicity i.e. 178, include the issuing body titles i.e. iso 178 or by test type i.e. flexural strength

If you can't find your standard listed here please fill in the form here and we will add it for you and send you the link by e-mail.

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FMVSS 106

Testing of Hydraulic Brake Hoses

The (U.S.A) Department of Transport's specification for Brake hoses, formally known as the code of federal regulations title 49 section 571.106. The Hydraulic hose portion of the specification is based on SAE J1401  
Hydraulic brake hoses are put through their paces to meet the needs of the FMVSS 106, 40 hoses are destroyed in this program:
Constriction - Verifying the hoses have no narrowings or bottle necks that may reduce flow
Volumetric expansion - Measuring the amount of swell in the hoses under high pressure (all hoses swell, it is just  question of how much)
Burst strength - Hoses are pressurised to the point they burst
Brake fluid compatibility - Hoses are filled with brake fluid and heated to 120°C for three days, followed by constriction and burst tests
The infamous whip test - Hoses are pressurised and spun off centre at 800 rpm for 35 hours 
Tensile Test - Hoses are pulled apart and the forces measured
Cold bend - Hoses are cooled to -45°C for three days and bent round a narrow shaft and scrutinised for any damage
O-zone - Hoses are subjected to a high concentration of o-zone and again scrutinised.
Salt spray - High doses of salty water are sprayed over the hoses and corrosion assessed.
Water absorption - Hoses are immersed in 85°C water for 3 days and then subjected to the above tensile, burst and whip tests.
Hot impulse - Hoses are filled with brake fluid and heated to 146°C, they are then assaulted with pressure cycles from atmospheric to 1600 PSI 150 times, followed by a burst test.

Additional Info

This document was last updated on 09/10/2014

Related items

  • One million six hundred and eighty thousand 1 680 000

    What does that number mean to you? No, not the Golden Ratio that’s 1.61803398875.

    Amongst the stringent safety Tests that all Brake Hoses must be subjected to is the Whip Test, clause S5.3.3 FMVSS-106 and 4.2.6 SAE J1401

    This is the hardest test for brake hoses/ lines to pass. 

  • Whip Testing

    What does that number mean to you? No, not the Golden Ratio that’s 1.61803398875.

    Amongst the stringent safety Tests that all Brake Hoses must be subjected to is the Whip Test, clause S5.3.3 FMVSS-106 and 4.2.6 SAE J1401

    This is the hardest test for brake hoses/ lines to pass. 

  • Brake Hose Testing - Avoiding the recall trap

    Brake hose testing is the most vital aspect of automotive manufacturing.  With increased opportunities for libel action and demands for quality and value it is vital that the automotive industry follows strict standards for testing and quality assurance.

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