Chinese Professional Hydraulic Drum Brake System - Power steering hose (high pressure) – Jinxing

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Chinese Professional Hydraulic Drum Brake System - Power steering hose (high pressure) – Jinxing Detail:

Material: CSM, Rubber, chinlon braided
Reduce noise, decrease vibration, resistance to high pressure,
Impulse&ozene, meet with SAE J188.
Apply in power steering system of various cars, multi-function business car, light truck etc.
Common sense for selection and maintenance:
Please kindly note the following points when selecting the brake hoses:
1 Please select the brake hoses produced by the regular manufacturer and the hoses with the CCC mark, name of manufacturer and the production date.
2 Please choose the matching brake hose assembly according to the different models of Automobiles. Take care of the symbol on the hose body. If the tube letters “HR” represents the standard amount of expansion hydraulic hose; “HL” indicates a low amount of expansion hydraulic hose; “A” indicates that the hose used for pneumatic braking system; “V” means hose for vacuum brake system.
3 Please do not use the hoses which surface is with cracking, corrosion, bubbles and some other unqualified hoses.
4 Brake hose is the key important part to ensure the safety of vehicles traveling. So, it should be paid more special attention to the usual maintenance and regular checks to keep the hose surface cleaning and avoid corroding.
5 Please avoid the pull force.
6 Please kindly check the fittings of the brake hoses whether loose or not.
7 Long-term use of the brake hose, if there is aging, closed not tight or scratched, it should be promptly replaced.

Test Item	Test Condition	Requirements	9.8× 18.3	9.8× 19.8
Impulse Test	Oil temperature 135 º C Ambient temperature 135± 6 º C Cycle rate 30~40/min	225, 000 Cycle without failure	> 230, 000cycles	> 230, 000cycles
Tensile Test		> 5337.9N	> 7000N	> 7000N
Low Temprature Flexbility	The hose shall be bent through 180 º C on 8 times OD mandrel after the temprature of -40± 3º C for 24h	Hose shall not fracture or show any cracks, break in the tube or cover.	OK	OK
Adhension	At the speed of 25mm/min	44.48N/Inch	112N/Inch	126N/Inch
Bursting Strength	13.8 Mpa× 2min; Pressure Rate: 172.5+/-69Mpa	> 41.4Mpa	61Mpa	62Mpa
Ozone Resistance	In the proportion of 50 pphm± 5 ozone in the air by volume for 70~72h at the temprature of 40 º C± 3 º C	The cover show no cracking at 7× magnification.	OK	OK
Volumetric Expansion	0~8.9 Mpa for 30s	Type 1 3~8 CC/FT	5.4 CC/FT	6.0 CC/FT
Length Change	0~10.3 Mpa	Type 1 +2%~ -5%	+1%	+1%

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