Medium pressure hydraulic hoses are hoses working under the minimum burst pressure that a one wire(100R1AT) application can withstand.
Medium pressure hoses are manufactured by Aeroquip ,Parker ,Weatherhead ,Gates and other hydraulic hose manufacturing companies.
They are also called clothbody hoses. This is because they are formed with an external textile braid as the hose cover.
The hose textile cover helps to reduce or resist heat during services. They are more preferably to use where there in an increase in the temperature of the environment where the hose is working.
Some hydraulic medium pressure hoses has no textile braid. They only have a rough cover made up of a tough neoprene material.
Though it has the same working hose pressure with the textile braid but it cannot resist heat like the textile braid cover.
The maximum working pressure is between 500 psi to 1500 psi depending on the size.
For example: A 1/4 "medium pressure hydraulic hose may have the working pressure of 1500 psi to 2,000 psi,
while the same medium pressure hose but 2" in size may have a working pressure ranging from 400 psi to 600 psi.
The pressure of hydraulic hoses increases when their a decrease in the size and decreases when there is an increase in size.
The different between the textile braided medium pressure hose or clothbody hose and a rough body 100R1AT hose Is seen in the parker , Aeroquip catalogue.
A crimper fitting can be used on medium pressure hydraulic hose. But the most commonly used fitting is the Medium pressure Reusable type.
Clothbody hoses can be crimped easily with the use of a hydraulic crimping machine and can also be attached to the hydraulic reusable fittings fitting with a hand operating reusable device.
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