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Hose Assembly Selection Guide

Hose assembly To Application: The PT1W hose provided by Yige Company can be used for gas and liquid, and other rubber hoses can be used for liquid and low-pressure gas below 16bar. The chemical compatibility of the material of the hose and the joint with the conveying fluid is very important to the service life of the hose assembly! technical parameter: Pressure: The pulse pressure or peak pressure of the hose system must be less than the maximum working pressure of the hose Temperature: The internal medium temperature and external ambient temperature of the hose assembly must be less than the continuous operating temperature of the hose. Generally speaking, the service life of the hose will be reduced under high temperature and high pressure comprehensive working conditions. Conducive to protecting the hose. Hose assembly order example The length of the hose assembly: The assembly angle representation of the hose assembly: The hose assembly with elbows at both ends is placed on the same straight line, and the angle between the other joint and the vertical joint is measured in a clockwise direction based on the vertical direction of the distal joint. This angle is Assembly angle. The performance of the assembly depends on the correct installation. A too long assembly not only affects the appearance, but also causes unnecessary waste. When the length of the assembly is insufficient, the expansion and contraction of the pipe body will affect the power transmission and reduce the life of the pipe body. The following schematic diagram shows the correct assembly installation method to achieve maximum work efficiency and economic benefits. Use appropriate angle transition joints to avoid excessive bending of the pipe body. When the bending radius of the pipe body is smaller than the minimum bending radius, a transition joint must be used to avoid excessive bending of the pipe body. Through the use of 45° or 90° joints and transition joints to ensure the directness of the pipeline and avoid excessive length. When the pressure rises, the length of the pipe body will change, so do not fix the pipe body with a pipe clamp on the bent part of the pipe body, but use a spring protective sleeve to protect the pipe body. In addition, do not fix the high-pressure pipeline and the low-pressure pipeline together with pipe clamps, but use a spring sheath to protect the pipe body. The proper assembly length is very important for the movement caused by the dispersion of the mechanical movement, and can effectively avoid wear. Avoid twisting the tube body to different planes, and use tube clamps where the plane changes. In order to avoid distortion of the tube body, the bending direction of the tube body should be consistent with the direction of mechanical movement. The pipe body cannot be twisted. If it is installed in a twisted position, the pipe body will be damaged. At the same time, the pressure in the twisted pipe body will also loosen the joint connection. Therefore, ensure that the tube body is bent rather than twisted during the design. Under no circumstances should the bending radius of the hose be smaller than the minimum bending radius indicated on the sample. At the same time, use an appropriate protective sleeve to ensure that the tube body will not be excessively bent. If the bending of the pipe body exceeds the rated standard, its service life will be greatly shortened.
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Hose Assembly Selection Guide
Product description
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Hose Assembly

 

Uses: PT1W hoses offered by EAGLE can be used for gases and liquids, and other rubber hoses be used for liquids and low-pressure gases below 16 bar.Hose and fitting materials as well as their chemical compatibility with the delivered fluid are of critical importance to the life of hose assemblies!

 

Technical Data
Pressure: the pulse pressure or peak pressure of a hose system must be lower than the maximum working pressure of the hose.
Temperature: the internal medium temperature and external ambient temperature of a hose assembly must be lower than the continuous operating temperature of the hose. In general, high temperature and pressure conditions reduce the life of hoses  and high temperature conditions help high-temperature hose protective sleeves protect hoses.

 

Hose Assembly Ordering Information

 

 

Representation of Hose Assembly Lengths

 

 

Representation of Assembly Angles of Hose Assemblies:

Set a hose assembly with elbows at both ends on the same straight line; take the vertical direction of a hose fitting at the far end as the datum and measure clockwise the angle between the other hose fitting and the vertical hose fitting, namely the assembly angle.

 

 

The performance of an assembly depends on correct assembly. Excessively long assemblies will not only affect their appearance but also cause unnecessary waste. If the assembly is too short, hose expansion and retraction will affect power transmission and reduce hose life.
The diagrams below show the correct ways of assembly installation to achieve maximum working efficiency and economic benefits.
The diagrams below show the correct ways of assembly installation to achieve maximum working efficiency and economic benefits.

 

 

Since the hose length will show +2% to -4% variations under high pressure, the hose needs to be slack enough.

 

 

If the hose bend radius is smaller than the minimum bend radius, an adapter must be used to avoid excessive hose bending.

 

 

pipelines by using 45° or 90° connectors and adapters.

 

 

Since the hose length changes as the pressure rises, do not fix hose bends with tube clamps, but protect the hose with spring protective sleeve. In addition, do not fix high- and low-pressure pipelines together with tube clamps, but protect the hoses with spring protective sleeves.

 

 

Appropriate assembly lengths play an important role in distributing movement caused by mechanical motions and can effectively avoid wear.

 

Avoid twisting the hose onto different surfaces. Tube clamps should be used at transitions between surfaces.

 

 

To avoid hose twists, the hose bending direction should be consistent with the direction of mechanical movement.

 

 

Do not twist the hoses. Installation at a twisted position will damage the hose and the pressure in the twisted hose will cause the hose fittings to become loose. Therefore, make sure hose designs involve bends rather than twists.

 

 

In no case should the hose bend radius be made smaller than the minimum bend radius indicated on the product manual. Besides, appropriate protective sleeves should be used to ensure the hoses are not excessively bent. A hose curvature exceeding the rated value will significantly reduce its service life. 

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2021-09-17 16:29:44
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