Description
The Scaffolding Pipe Sleeve Coupler uses a coupler to fit onto the ends of steel pipes, and then uses bolts or other fastening methods to fix two steel pipes on the same axis, thus achieving the transfer of axial force.
This type of coupler is suitable for scenarios requiring extended steel pipe spans or maintaining pipe continuity in specific steel structure construction, such as bridge slope support, building roof extensions, and modular scaffolding splicing.
Features
High mechanical properties of the steel:
The fasteners are made of SPHC or equivalent structural steel, and heat treatment improves their yield strength and tensile strength, making them suitable for high-load construction scenarios.
Surface corrosion protection:
Hot-dip galvanizing or electro-galvanizing can achieve a coating thickness of 60–400 g/m², extending the service life of the fasteners.
Angle and alignment accuracy:
The sleeve design ensures that the coaxiality error of the two pipes is ≤1 mm, eliminating the need for additional support compensation during construction.
Reusability:
The material and structural design allow the fasteners to maintain bolt tightening force and axial force transmission capacity after multiple assembly and disassembly, making them suitable for multi-project deployment.
Details
Diameter (mm):
48.3/60 or customized
Standard:
JIS/BS/KR etc
Thickness(mm):
2.75/3.0 or customized
Material Grade:
SPHC etc
Surface treatment:
Electric-galvanized / Hot dipped galvanized or Painted
All style products can be customized according to customer requirement.
Specification
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British Type Coupler |
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Description |
Specification |
Weight |
Standard |
|
Drop Forged Fixed Coupler |
48.3/60.3mm |
0.98kg |
BS1139/EN74 |
|
Drop Forged Swivel Coupler |
48.3/60.3mm |
1.12kg |
BS1139/EN74 |
|
Drop Forged Girder Coupler |
48.3mm |
1.48kg |
BS1139/EN74 |
|
Drop Forged Put-log Coupler |
48.3mm |
0.63kg |
BS1139/EN74 |
|
Drop Forged Joint Pin |
48.3mm |
1.12kg |
BS1139/EN74 |
|
Pressed Sleeve Coupler |
48.3mm |
0.97kg |
BS1139/EN74 |
|
Pressed Board Retaining Coupler |
48.3mm |
0.61kg |
BS1139/EN74 |
|
Pressed Limpet Coupler |
48.3mm |
0.32kg |
BS1139/EN74 |
Customization Options
- Customizable Size: Diameter 48.3–60 mm, thickness 2.75–3.0 mm, adjustable to project requirements.
- Customizable Material: SPHC steel or other qualified structural steel options available to meet load-bearing and construction requirements.
- Customizable Surface Treatment: Electro-galvanized, hot-dip galvanized, or painted, selectable based on environmental corrosion level.
- Customizable Packaging: Packed per piece/bundle or on pallets; labeling can be customized upon request.
- Delivery Time: Standard orders 7–20 days; bulk orders adjusted based on quantity and specifications.
FAQ
Q: How are sleeve couplers matched with steel pipes?
A: The inner diameter of the coupler matches the outer diameter of the steel pipe, and an end-to-end connection is achieved by tightening bolts.
Q: How is the load-bearing capacity determined?
A: The load-bearing capacity is related to the steel pipe diameter, wall thickness, and the fastener tightening force. A calculation table can be provided for project selection.
Q: Can it be repeatedly disassembled and reassembled?
A: The coupler can be disassembled and reassembled multiple times. After disassembly and reassembly, the tightness must be checked to maintain axial connection performance.
Q: How to choose the surface treatment?
A: For indoor or short-term use, painting or electro-galvanizing are optional; for long-term outdoor or coastal environments, hot-dip galvanizing is recommended.
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