Scaffolnding Steel Tube Type Roofing Coupler

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Quick Details

Place of Origin:
Jiangsu China (Mainland)

Model Number:
Scaffolding Parts
48.3mm X 48.3mm
Surface Treatment:

Packaging & Delivery

Packaging Detail:bags then on steel pallets or as your request.
Delivery Detail:according to the order quantity


Roofing Coupler
1. BS1139/EN74 -1.
2. Clear marking.
3. Perfect surface.
4. Timely delivery.

1. Description of Roofing Coupler




48.3*48.3 or as your demands


Hot-dip galvanization/ electro galvanization /painted /or as your request



Fastener Grade



1.2kg/ as your requirement  


1.Good bearing capacity  2.Durable & stable
3.Easy to assemble & dismantle


OEM service is available




woven bags with steel pallets, or as your request

Payment Terms

TT, L/C, or as our agreement.

Delivery Time

According to order quantity.

Yes, steel tube couplers can be used for scaffolding structures that need to provide access to elevated or sloping areas. Steel tube couplers are commonly used in scaffolding systems to connect and secure steel tubes together, creating a stable and versatile structure. These couplers are designed to withstand heavy loads and provide a secure connection, making them suitable for scaffolding structures that need to support workers accessing elevated or sloping areas. Steel tube couplers come in various types, including swivel, fixed, and putlog couplers, which offer different functionalities depending on the requirements of the scaffolding structure. Swivel couplers allow for flexible connections and can be used to create angled or sloping scaffolding structures. Fixed couplers provide a rigid connection and are commonly used to connect vertical tubes or ledger beams. Putlog couplers are used to secure putlogs or transoms to the main scaffolding structure, providing a platform for workers to access elevated areas. By using steel tube couplers, scaffolding structures can be easily assembled, adjusted, and disassembled to fit the specific requirements of a project. The versatility of steel tube couplers allows for the creation of scaffolding structures that can safely and efficiently provide access to elevated or sloping areas, ensuring the safety and productivity of workers on-site.
Steel tube couplers play a crucial role in enhancing the stability and rigidity of a scaffolding structure. These couplers act as connectors that join the steel tubes together, creating a robust framework. By securely fastening the tubes, they prevent any shifting or movement, ensuring a stable and safe scaffolding system. Additionally, the rigidity of the structure is significantly improved due to the couplers effectively distributing the load and minimizing any flexing or bending of the tubes. Overall, steel tube couplers greatly contribute to the overall stability and rigidity of a scaffolding structure, enhancing its safety and reliability.
Q:one at each end, A 350N bucket of bolts is located 2.5m from the left end of the scaffold, and a 950N worker is standing 3.25m from the right end of the scaffold. What are the forces acting on the two support ropes?
The total force acting on the two ropes is equal to the total weight. T1 + T2 = 200 + 350 + 950 = 1500 N Counter clockwise torque = Clockwise torque Let the pivot point be at the left end. Counter clockwise torque = T2 * 8 The weight of the scaffold is at the center. The distance from the left end to the worker = 8 – 3.25 = 4.75 m Clockwise torque = 350 * 2.5 + 200 * 4 + 950 * 4.75 = 6187.5 T2 * 8 = 6187.5 T2 = 6187.5 ÷ 8 = 773.4375 N T1= 1500 – 773.4375 = 726.5625 N 0 …… 3.25 … 4.00 .… 4.75 ……… 8.00 T1↑ …350↓ … 200↓ … 950↓ ……… T12↑ I hope this helps you understand how to solve this type of problem!
Steel tube couplers do not typically require any special maintenance or care. They are designed to be durable and resistant to corrosion. However, regular inspections to ensure their proper functioning and occasional lubrication may be recommended to extend their lifespan.
Scaffolding projects with uneven ground conditions can utilize steel tube couplers. These couplers are specifically designed to connect steel tubes, creating a stable and secure structure for scaffolding. Their versatility allows for various configurations to accommodate different ground conditions. To level the scaffolding on uneven ground, adjustable base plates or screw jacks can be used in conjunction with the steel tube couplers. This combination ensures stability. Additionally, diagonal braces can be incorporated to strengthen the scaffolding, compensating for any unevenness in the ground. In summary, steel tube couplers are a dependable and flexible solution for scaffolding projects, even when faced with challenging ground conditions.
To ensure proper alignment and stability when using steel tube couplers in scaffolding, there are several key steps that should be followed: 1. Quality inspection: Before using steel tube couplers, it is crucial to inspect them for any signs of damage or defects. Look for cracks, deformations, or corrosion that could compromise their strength and stability. Only use couplers that are in good working condition. 2. Proper selection: Choose the appropriate type and size of steel tube couplers for the specific scaffolding application. Consider factors such as the load requirements, tube diameter, and scaffold design. Using the wrong couplers can lead to misalignment and instability. 3. Tightening: When connecting the tubes with couplers, ensure that they are tightened securely using the appropriate tools, such as scaffold spanners or ratchets. Tighten the couplers to the recommended torque value specified by the manufacturer. Loose or improperly tightened couplers can cause misalignment and compromise the stability of the scaffolding. 4. Alignment checks: Regularly inspect the alignment of the tubes and couplers to ensure they are properly aligned. Misalignment can occur due to settling, vibrations, or improper usage. Use a straight edge or laser level to check the alignment, and if any misalignment is detected, make the necessary adjustments and re-tighten the couplers. 5. Stability measures: In addition to proper alignment, stability is crucial for safe scaffolding. Ensure that the base of the scaffolding is stable and level, and that it is properly anchored or tied to the structure if required. Use diagonal braces to enhance stability and prevent lateral movement. Regularly inspect the stability of the scaffolding during use and make any necessary adjustments or reinforcements to ensure its stability. 6. Compliance with regulations: Always follow the local and national regulations and guidelines for scaffolding installation and usage. These regulations often include specific requirements for the type and use of steel tube couplers. Adhering to these regulations helps ensure proper alignment and stability, as well as the overall safety of the scaffolding system. By following these steps, proper alignment and stability can be achieved when using steel tube couplers in scaffolding, reducing the risk of accidents and ensuring a safe working environment for those using the scaffolding.
Q:in a horizontal position by a vertical cable at each end. A window washer of mass 68 kg stands at a point 0.58 m from the end. What is the tension in (a) the nearer (relative to the person) cable and (b) the farther (relative to the person) cable?
(a) Taking moments about the farther end we have [TN = tension in near end cable nad TF = tension in farther end cable] 51*2.85*9.8 + 68*(5.7-0.58)*9.8 = TN*5.7 or TN = 848.5 N (b) TF + TN = (57+68)*9.8 = 376.5 N
The typical material specifications for steel tube couplers used in scaffolding vary depending on the specific requirements and regulations of different countries and industries. However, there are some common material specifications that are widely accepted and recommended. One of the most common material specifications for steel tube couplers used in scaffolding is the use of high-grade carbon steel. This type of steel is known for its strength, durability, and resistance to corrosion, making it well-suited for the demanding conditions of scaffolding applications. In terms of specific steel grades, couplers are often made from materials such as S235 or S355 steel, which are commonly used in construction and industrial applications. These grades offer a good balance between strength and weldability, ensuring the integrity and safety of the scaffolding structure. Additionally, steel tube couplers used in scaffolding should meet certain dimensional specifications. They are typically designed to fit specific tube sizes, such as 48.3mm or 60.3mm outer diameter tubes, which are commonly used in scaffolding systems. Furthermore, steel tube couplers should undergo rigorous testing and certification processes to ensure their compliance with relevant industry standards and regulations. These standards may vary depending on the country or region in which the scaffolding is used, but some commonly recognized certifications include EN74, BS1139, and ANSI/SSFI SC100-5/05. It is important for companies and individuals involved in scaffolding to consult the specific regulations and standards applicable in their area to ensure that the steel tube couplers used meet the required material specifications and safety standards.
Yes, steel tube couplers can be used in scaffolding projects with long spans. Steel tube couplers are commonly used in scaffolding systems to connect and secure tubes together, providing stability and strength. They are designed to withstand heavy loads and can be used in various configurations to create scaffolding structures with long spans. However, it is important to ensure that the scaffolding design and construction comply with safety regulations and guidelines to ensure the stability and integrity of the structure.
Steel tube couplers contribute to the overall efficiency of scaffolding installations by providing a secure and stable connection between the tubes, ensuring the structure's strength and stability. They eliminate the need for welding, cutting, or drilling, making the assembly and disassembly process faster and more convenient. Additionally, steel tube couplers allow for easy adjustment and reconfiguration of the scaffolding, increasing its adaptability to different job sites and requirements.

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