Products Description

Single Unrestrained Axial Expansion Joints, or simply axial expansion joints, are essential components in many piping systems. Their purpose is to absorb thermal expansion and contraction, as well as other movements caused by vibration or seismic activity. Essentially, they act as flexible couplings between pipe sections, allowing them to move independently while maintaining a continuous flow of fluid or gas.
These expansion joints typically consist of a bellows, that is capable of accommodating axial movement due to thermal expansion or contraction. The bellows is often made of stainless steel, which can withstand high temperatures and corrosive environments. The ends of the bellows are typically welded to flanges or other connectors that can be attached to the adjacent pipe sections.
One of the benefits of Single Unrestrained Axial Expansion Joints is their ability to operate without restraint. Unlike other expansion joints that require anchoring or guiding, axial expansion joints are designed to move freely in the axial direction. This makes them suitable for applications where space or weight is a concern, as well as for environments where vibration or seismic activity is a concern.
The installation and maintenance of Single Unrestrained Axial Expansion Joints is relatively simple. They can be installed directly between two pipe sections, or they can be installed with intermediate pipe sections or other components to create a more complex piping system. Regular inspection and maintenance can help to ensure that the expansion joint remains in good condition and is capable of accommodating any changes in the system over time.

Overall, the use of single unrestrained axial expansion joints is an important aspect of modern piping systems. They offer flexibility, reliability, and durability in a variety of applications, making them an excellent choice for anyone who needs to accommodate thermal expansion or other movements in their piping infrastructure.
Product parameters

|
Diameter NO. |
L |
D |
Axial Movement |
|
|
Ext. |
Comp. |
|||
|
20A |
365 |
49.6 |
10 |
30 |
|
25A |
365 |
54 |
10 |
30 |
|
30A |
365 |
60.5 |
10 |
30 |
|
40A |
365 |
70 |
10 |
30 |
|
50A |
365 |
90 |
10 |
30 |
|
65A |
415 |
102 |
10 |
30 |
|
80A |
415 |
130 |
10 |
30 |
|
100A |
415 |
155 |
10 |
30 |
|
125A |
440 |
190 |
10 |
30 |
|
150A |
440 |
228 |
10 |
30 |
|
200A |
440 |
318.5 |
10 |
30 |
|
250A |
465 |
355.6 |
10 |
30 |
|
300A |
465 |
457.2 |
10 |
30 |
|
350A |
465 |
457.2 |
10 |
30 |
|
400A |
490 |
508 |
10 |
30 |
|
450A |
490 |
558.8 |
10 |
30 |
|
500A |
490 |
609.6 |
10 |
30 |
Advantage
It has extremely high pressure resistance:
This expansion joint can work in high temperature and high pressure environments, so it is very suitable for pipeline systems that need to resist high pressure.
Has good corrosion resistance:
This expansion joint is usually made of stainless steel or other materials with good corrosion resistance, which enables the product to resist chemical corrosion and other forms of corrosion.
Can be used in high-temperature environments:
Due to its material and design characteristics, Single Unrestrained Axial Expansion Joints can also work in high-temperature environments, such as heating or cooling systems.
Long lifespan and low maintenance cost:
Single Unrestrained Axial Expansion Joints can be used for many years without maintenance, so they can save maintenance costs for users and reduce losses caused by maintenance costs.
Product Display


comparison of peer Products
| Advantages | ALLTO | peers |
| Price | Competitive price | Reasonable price |
| Quality | Excellent quality and durability | Meets standards |
| Materials and Design | Unique Innovative Design and Excellent Materials | General Design |
| Customer service | Positive service attitude | Professional customer service team |
| Delivery speed | On time delivery service | Fast logistics delivery service |
| Variety specifications | Multiple specifications available | Narrow variety specifications |
Our company is a professional company specializing in the production of water supply and drainage equipment.
and pipeline accessories. we have been producing since 1996 , reasonable price ,high quality and considerate service.
main products:Rubber Expansion Joints, Flexible Hose, Metallic Expansion Bellows,Dismantling Joints,Valves.
We have a young and energetic team. The team members are highly educated and qualified. They know how to
operate and manage; they understand how to be a harmonious unit and adept in self-improvement. We strive to
build a team which is based on "people oriented.work in earnest" We provide a coordinated-process service for
our clients during the whole purchase process.






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