This standard specifies the structure, performance, test methods and labeling of brake hose, brake hose end fitting and brake hose assembly for motor vehicle (including motorcycle) and trailer.
This standard is applicable to hydraulic, pneumatic and vacuum brake hose, brake hose end fitting and brake hose assembly for motor vehicle (including motorcycle) and trailer.
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments (excluding error corrections) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies.
GB/T 1690-2006 "Rubber Vulcanized or Thermoplastic -- Determination of the Effect of Liquids"
GB/T 7129-2001 "Rubber or Plastics Hoses -- Determination of Volumetric Expansion"
GB/T 10125-1997 "Corrosion Tests in Artificial Atmospheres -- Salt Spray Tests"
GB 12981 "Motor Vehicle Brake Fluids"
GB/T 14905-1994 "Rubber and Plastics Hose -- Determination of Adhesion between Components"
3 Terms and Definitions
The following terms and definition are applicable to this standard.
3.1
Brake hose
A flexible conduit, other than an end fitting, manufactured for use in a brake system to transmit or contain the fluid pressure, air pressure or vacuum used to apply force to a vehicle's brakes.
3.2
Brake hose end fitting
A coupler, other than a clamp, designed for attachment to the end of a brake hose.
3.3
Brake hose assembly
A brake hose, with or without armor, equipped with end fittings.
3.4
Armor
A protective device installed outside a brake hose to increase the resistance of the hose to abrasion or impact damage.
3.5
Free length
The linear measurement of a hose exposed between the end fitting of the hose assembly in a straight position.
