Testing the quality and performance of UPVC threaded fittings is a key step to ensure that they meet the expected requirements during installation and use. Here are some of the main detection methods and precautions:
Appearance quality inspection:
- First of all, check whether the surface smoothness and color of the pipe fittings are uniform, without obvious cracks, bubbles, traces and other defects.
- It is evaluated by visual inspection and touch, and can also be measured and analyzed with the help of professional instruments.
Size deviation detection:
- Use gauges, micrometers and other tools to accurately measure pipe diameter, wall thickness, length and other dimensional parameters of pipe fittings.
- Ensuring that the dimensions of the fittings meet the requirements of the relevant standards is essential to ensure the quality of the connection and installation.
Material quality inspection:
- The hardness of the material is checked by hand kneading the pipe, and the hardness of the real material is usually higher.
- Check the quality inspection report of the product to see if the material composition and quality meet the standard.
Toughness and ductility testing:
- Throw or stomp the pipe to the ground to test its toughness. High-quality pipe fittings generally will only be flat and will not break.
- Break both ends of the pipe fittings inward, and the good quality pipe fittings will not be easily bent.
Chemical performance test:
- Use appropriate reagents and instruments to test the corrosion resistance, chemical resistance, water quality and sanitation properties of pipe fittings.
- Ensure that the pipe fittings can operate safely and stably under different environmental conditions. And will not pollute the water quality.
Connection quality inspection:
- Carefully inspect the connection parts of the pipeline to ensure that there are no cracks, water leakage and other quality problems in the connection.
- Perform pressure tests to verify the tightness and pressure resistance of the joints.
To sum up, testing the quality and performance of UPVC threaded pipe fittings requires comprehensive consideration of many aspects. Including appearance, size, material, mechanical properties, chemical properties and connection quality. These tests can ensure that the pipe can operate safely and reliably during use and meet the engineering requirements.
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