So you are planning to buy alley arms in China? That is a good decision that you have made.
However, you should not be in any rush to buy and install this utility pole line accessory. Take your time and you will end up with the best product.
Wondering which is the best alley arms to bu and where to buy them? Take a plunge to this article as I guide you on buying alley arms for power lines and other utility poles.
Table of Contents
What is an alley arm?
An alley arm is a sidearm brace that is designed to brace a crossarm that is uneven. The arm features a straight edge and the other side is slightly bent.
The crossarm extends on one side of the pole. This is why sometimes it is also known as an alley arm brace.
The design of the alley arm ensures that it is in proper alignment with the pole and as well as the transmission lines.
The most preferred angle of alignment between the alley arm and the pole is 45 degrees.
The bracing of the alley arm should be strong and rigid to guarantee the stability of this pole line accessory. The braces are carefully mounted on the side of the alley arm and bolts are attached to it.
This installation ensures that the alley arm will remain transfixed to the pole.
Read on as I reveal to you the applications of alley arms.
What are the Applications of an Alley Arm?
As I have already mentioned, an alley arm is an important accessory for utility poles. These are poles that are used for supporting power transmission lines and other public utilities such a telecommunication and internet cables.
To make things clearer, here is a summary detailing the applications of alley arms for poles.
Overhead power lines
Also known as overhead transmission lines, these are utility poles that are used for the transmission and distribution of electricity.
Since most electricity poles have the accompanying hardware or accessories, alley arms play a crucial role in providing the needed support.
By supporting the pole line accessories, safety, and efficiency of power transmission is guaranteed.
Lighting Poles
A perfect example of the lighting pole is the street light poles. These are poles that are used for supporting the lighting fixtures that are used for lighting public places.
Alley arms ensure that the fixtures and related accessories remain stable on the lighting poles.
Communication poles
These are poles that are used for supporting various forms of communication installations. It can be telephone cables or even fiber cables.
Alley arms are common features on the communication poles as they are used for supporting different types of accessories that are needed for the communication infrastructure
Do you think your installation will require alley arms? Talk to alley arm experts and we will clarify the issue.
Components of an Alley Arm
As simple as it looks, an alley arm comprises of different components. They include:
-Holes for the lag screws
The holes provide a point of support through which the screws will pass.
The size of the holes will vary from one alley arm to another depending on the area of application and the size of the lag screws that are used.
The screws that pass through the holes are used for attaching other pole line accessories.
So, you should carefully look at the size of the hole when buying an alley arm so that you can determine whether it will fit into your application.
-Channel
The channel of an alley arm helps in directing the cables that are connected to different accessories on a pole.
The channel ensures that the transmissions are done correctly and also simplify the installation of other accessories.
When buying alley arms, ensure that their channels are in line with your application.
-Holes for the machine bolt
These are holes that provided the connection for the machine bolts. They are usually mounted on the side arms of the machine bolts.
You should also be extra vigilant with the size of the holes and ensure that it will match with the machine bolts for your application.
Technical Specifications for Alley Arms
How do you ensure that the alley arms that you are about to buy work perfectly?
Pay attention to the technical specifications. They are what define what to expect from the utility cross arm alley arm.
Here are some of the key technical specifications of utility pole cross arms:
-Alley arm material
What are the alley arms that you are planning to buy made of? The material will determine the strength, durability, and effectiveness of the product.
The best alley arms in the market are made of angle steel which based on the BS4360 standard.
Aluminum is another popular material for the alley arms.
Your choice of alley arm material will depend on the usage.
-Alley arm design
It is critical to pay attention to the design and outline of the alley arms.
A typical alley arm should have straight edges and a rounded look in the middle.
The bends of the arm should be closely beat.
The design should allow for easy installation and usage.
-Alley arm finishing
The finishing of the alley arm is important for the protection and also the looks.
Most alley arms are hot-dip galvanized hence are resistant to corrosion and abrasion.
-Alley arm dimension
How long, thick, or wide is the alley arm? The dimensions of the alley arm will determine its suitability for your application.
The weight of the alley arm is also a factor that you should consider.
How to Install Arms: Step by Step Guide
Here are the recommended steps that you should follow when installing an alley arm:
-Gather all the necessary tools which include fastening tools and safety gear. You can then assess the state of the allay arm to confirm that it is correct.
-Position the alley arm onto the pole line even if it does not have straps.
-Install it on the pole using its cross arm
-Confirm that the alley arm is stable and rigid. From there, it will be ready for use.
Alley Arm Manufacturer in China?
Wondering where to buy alley arm for pole line? All you need is to find a reputable alley arms manufacturer in China.
This is the surest way of getting a pole line accessory that will meet your needs.
At Powertelcom, we specialize in designing and manufacturing alley arms for sale.
Contact us for custom designs of alley arms.
FAQ
What is an alley arm?
An alley arm is a sidearm brace that is designed to brace a crossarm that is uneven. It is also known as an alley arm brace.
What is the application of an alley arm?
Here are the applications of alley arms for poles.
- Overhead power lines
- Lighting Poles
- Communication poles
What factors to consider when choosing alley arm?
Here are some of the key technical specifications of utility pole cross arms:
- Alley arm material
- Alley arm design
- Alley arm dimension
- Alley arm surface treatment
How to make hot dip galvanization perfect?
For the different types of pole line hardware, there are different ways to do the hot dip galvanization.
For the electrical cross arm, alley arm, Powertelcom does the hot dip galvanization at a big bow, the liquid temperature was controlled very well. And the consist element was settled according to a certain percent.
For the casting part like socket clevis and pole top bracket, there is a different element consist to do the hot dip galvanization.
What is the hot dip galvanization test standard?
There are a few kinds of hot dip galvanization testing standard for the overhead line fitting.
For the Asia market, like Malaysia and Indonesia, they test the hot dip galvanization according to ISO1461.
For South America, they test the hot dip galvanization according to ASTM123.
Who will charge if making a new design?
We usually charge the tooling, if you don’t accept our present power fitting type.
We will make new tooling based on your design, and the new tooling belongs to you. We just help you to take care of the tooling in our factory.
If you have paid for it. We can also refund you the tooling cost if you ordered a certain quantity.