Commercial Price PEX Compression Fitting

Introduction：

PEX Compression Fitting refers to a type of pipe connection device that utilizes a metal compression sleeve to securely connect PEX pipes.

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Testing the sealing performance of copper bushing is an important step to ensure its normal operation and safety. The following is the method of testing the sealing performance of copper casing fittings, combined with the relevant figures and information in the reference article:

Air tightness test:

Install the fittings on the special test machine to ensure firm installation.
Dip the pipe joint into a room temperature sink to ensure that the pipe joint is completely submerged.
Slowly pass in 0.6MPa of clean compressed air and hold the pressure for 3min.
During the pressure holding period, carefully observe the pipe joints and joints to check whether there are bubbles or leaks.

Appearance inspection:

Before carrying out the air tightness test, first carry out the appearance inspection to ensure that the surface of the pipe joint is free of defects such as damage, pores, burrs, cracks and so on.
Check whether the size of the pipe joint meets the requirements, such as outer diameter, length, wall thickness, etc.

Size detection:

Use suitable measuring tools, such as calipers, micrometers, etc., to measure the key dimensions of the pipe joint.
Ensure that the dimensions of the fittings meet national standards or design requirements, such as GB/T 9122.

Physical performance test:

If possible, physical properties are tested, such as tensile strength, compression properties, etc.
These tests can provide information on the strength and toughness of the pipe joint material, thereby indirectly assessing its sealing performance.

Assembly and connection checks:

In practical applications, check whether the connection between the pipe joint and other pipes or equipment is reliable.
Ensure that joints are free of looseness, cracks, or damage, and that joint parts are free of cracks and damage.

Vibration test:

If the copper fitting will be used in an environment where vibration is present, consider vibration testing.
By simulating the vibration under actual working conditions, check whether the sealing performance of the pipe joint under vibration is stable.

Record and report:

Record all inspection steps and results, including equipment used, methods, measured values, etc.
Prepare detailed inspection report to evaluate and conclude the sealing performance of pipe joints.

To sum up, testing the sealing performance of copper bushing requires comprehensive consideration of many aspects, including air tightness test, appearance inspection, size inspection, physical property inspection, assembly and connection inspection and vibration test. By combining these testing methods, the sealing performance of copper casing can be comprehensively evaluated to ensure that it meets the requirements of use.

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