Structural features
Male Thread Design:
The fitting has a male thread at one end to thread the connection to the pipe or equipment with the internal thread, which can provide a tight seal and reliable fixation.
Pagoda-shaped structure:
Many tracheal external dental joints adopt a pagoda-shaped design at one end of the trachea, that is, the end of the joint is gradually cone-shaped, with a ring-like protrusion similar to a bamboo joint, which can increase the friction with the inner wall of the trachea, make the connection of the trachea more firm, and prevent it from falling off.
Material properties
Metal material:
such as stainless steel, copper, brass, etc. The tracheal external fitting made of stainless steel has good corrosion resistance, high temperature resistance and strength, and is suitable for harsh environments and high-pressure systems; Copper and brass materials have good corrosion resistance, electrical and thermal conductivity, and good processing performance, and are often used in some occasions with high requirements for corrosion resistance and low pressure.
Plastic material:
common nylon, PTFE, etc. Plastic joints have the advantages of light weight, low cost, good insulation performance, etc., and also have certain corrosion resistance and flexibility, which are suitable for some low-pressure, room-temperature gas transmission systems, and occasions that require electrical insulation.
Precautions for installation and use
Thread matching: Make sure that the thread of the external thread fitting of the trachea fits exactly matches the thread specification of the internal threaded pipe fitting or equipment connected to it, otherwise it may lead to problems such as loose connection and air leakage.
Installation strength: Use appropriate tools to install the joint to avoid thread damage or joint deformation caused by over-tightening; At the same time, it is also necessary to ensure that the tightening force is sufficient to ensure the sealing effect and prevent gas leakage.
Sealing treatment: Before installation, an appropriate amount of sealant can be applied to the thread or wound raw meal tape to enhance the sealing performance and prevent gas leakage from the threaded connection.
Pipeline cleaning: Before connection, the connection parts of the air pipe and the joint need to be cleaned to remove oil, dust, debris, etc., so as not to affect the sealing effect and the reliability of the connection.
FAQ
Q:How to properly install the external fitting of the air duct?
A: Wrap the raw tape around the threads of the external fitting to enhance the sealing. Then align the connection port of the air duct and rotate the external fitting clockwise until tightened. Pay attention to keep the joint perpendicular to the air duct during installation to avoid poor sealing caused by inclination.
Q: What are the common sizes of air duct external fittings?
A: The common sizes are 2 points, 3 points, 4 points, etc., and the corresponding pipe diameter specifications are varied, such as connecting 8mm, 10mm, 12mm pipes, etc. The specific size can be selected according to the actual air duct diameter and use scenarios, such as the size required for a small household ventilation system and an industrial large ventilation duct.
Q: Is there a difference between a male connector and an outer wire connector?
A: External fittings and external wire joints are essentially the same kind of fittings, but they are called differently. It refers to the joint on the outside of the pipeline, which is used to connect with the internal threaded pipe fittings or equipment to realize the connection of the pipeline system.
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