Knowledge

23Nov, 2024

Why Use a Swelling Ring for Lined Composite Pipes?
By applying a swelling ring, the cross-section of the metal pipe end is protected, adding an extra layer of security for safeguarding the lined composite pipe.
23Nov, 2024

What is a swelling ring?
It utilizes the extensible and expandable properties of a silicone sleeve to tighten and position the stainless steel pipe end protection ring inserted into the pipe orifice, facil
22Nov, 2024

Why is Grooving Necessary for Plastic-Lined Composite Pipes?
To facilitate pipe connections during construction, as water pipelines often crisscross in complex layouts, it is often necessary to connect pipe ends with pipes. In such cases, us
22Nov, 2024

What is Grooving?
Grooving the ends of pipe nozzles facilitates the quick installation of specialized connecting pipe fittings for piping systems.
22Nov, 2024

What is Ultra-Audio Frequency/Medium Frequency Heating?
Ultra-audio frequency heating utilizes the principle of electromagnetic induction. High-frequency current passes through an induction coil, generating a high-frequency alternating
22Nov, 2024

How to control the quality of composites?
The quality of composites is mainly reflected in bonding strength and wall thickness. Therefore, controlling the quality of composites essentially involves controlling these two fa
22Nov, 2024

What is the principle of composite equipment?
Composite equipment works by pressurizing the interior of a tube and utilizing medium-frequency/ultrasonic-frequency heating to conduct heat transfer to the metal tube. This soften
21Nov, 2024

Why aren't plastic pipes of standard length?
Generally, plastic pipes are longer than metal pipes. This is because plastic pipes are significantly affected by heat temperature. In order to avoid the problem of diameter reduct
21Nov, 2024

Why is the outer surface of the produced plastic pipe rough?
Adjust the process temperature and reduce the cooling water temperature. The optimal cooling water temperature for the pipe is 20-25°C. Check the water circuit for any blockage
21Nov, 2024

How to control the wall thickness of plastic pipes?
The outer diameter of plastic pipes is jointly determined by the die head, sizing device, and vacuum sizing. The wall thickness of plastic pipes, however, is determined by the trac
21Nov, 2024

Why is moisture measurement necessary for plastic granule raw materials?
The presence of moisture in plastics often has detrimental effects on their properties and molding processes. Additionally, water vaporizes at high temperatures, leading to defects
21Nov, 2024

Is the mass ratio of plastic to rubber particles fixed?
The ratio of plastic particles to rubber particles is not invariable. This ratio can be increased while ensuring compliance with national standards to reduce costs, generally contr

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