Load Capacity Of Scaffolding Clamps
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Load Capacity Of Scaffolding Clamps

Scaffolding couplers are mounted on the scaffolding pipes to hold the struts in place. Here are the main types of scaffolding clamps used in scaffolding:
✔ BS DF Double Coupler
✔ BS DF Swivel Coupler
✔ BS DF Putlog Coupler
✔ BS Pressed Sleeve Coupler
✔ BS Pressed Joint Pin coupler
✔ BS DF Board retaining coupler
✔ JIS Pressed Beam Clamp
✔ BS DF Half Coupler
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Product Introduction

Tianjin YOUFA International Trade Co.,Ltd is one of the most experienced manufacturers and suppliers of load capacity of scaffolding clamps in China. Welcome to wholesale bulk high quality customized produts at low price from our factory. For price list and cheap products, contact us now.

 

Scaffolding couplers are basically the basic scaffolding components used to assemble tube and coupler scaffolding. Scaffolding couplers are mounted on the scaffolding pipes to hold the struts in place. Depending on the structural application of the required support tubes and fittings, they support the interior to the internal struts or the internal to external struts by means of fixed or rotating fittings. The coupler works by creating a straight line or an angle to ensure that the rest of the scaffold is securely held in a structurally stable position. In general, these products are rotated at a standard 90 degree angle and centered to provide additional support for the scaffolding.

Youfa provides some of the main types of scaffolding clamps used in scaffolding:

BS DF Double Coupler

 

Function:

Rigidly connects two scaffold tubes at 90° angles (e.g., standards to ledgers).Essential for structural stability in traditional scaffolding.

 

Weight: 48.3*48.3 mm/ 1 kg

 

Load Capacity:

Axial (Vertical): 6–10 kN (≈600–1,000 kg)

Transverse (Horizontal): 0.3–0.5 kN (≈30–50 kg)

double coupler

BS DF Swivel Coupler

 

Function:

Connects tubes at adjustable angles (0–180°), ideal for diagonal bracing or irregular structures.Contains a rotating mechanism for flexibility.

 

Weight: 48.3*48.3 mm/ 1.1 kg

 

Load Capacity:

Axial: 6–8 kN (≈600–800 kg)

Transverse: 0.3–0.5 kN (≈30–50 kg)

scaffolding half swivel

BS DF Putlog Coupler

 

Function:

Attaches putlogs (transoms) to ledgers in single-pole scaffolding.Only grips one tube tightly; the other end rests on masonry.

 

Weight: 48.3 mm/ 0.65 kg

 

Load Capacity:

Axial: 1–2.5 kN (≈100–250 kg)

Transverse: 0.2–0.4 kN (≈20–40 kg)

putlog

 BS  Sleeve  Coupler

 

Function:

Light-duty connection for non-structural tubes (e.g., handrails, temporary supports).Uses pressed steel sleeves for quick assembly.

 

Weight: 48.3 mm/ 1 kg

 

Load Capacity:

Axial: 4–6 kN (≈400–600 kg)

scaffold sleeve coupler

 Joint  Pin  Coupler

 

Function:

Connects tubes in modular scaffolding systems (e.g., cup-lock, ring-lock).Uses a pressed steel pin for fast locking.

 

Weight: 48.3 mm/ 0.7 kg

 

Load Capacity:

Axial: 3–5 kN (≈300–500 kg)

Transverse: Not rated.

BS Pressed Joint Pin coupler

BS DF board coupler

 

Function:

Secures scaffold boards or guardrails to prevent slippage.Often used with edge protection systems.

 

Weight: 48.3 mm/ 0.63 kg

 

Load Capacity:

Vertical: 0.5–1.5 kN (≈50–150 kg)

Horizontal: Not for structural loads.

BS DF BRCboard retaining coupler

 JIS  Beam  Clamp

 

Function:

Anchors scaffolding to steel beams or structures without welding/drilling.Adjustable jaws fit I-beams up to 300mm wide.

 

Weight: 48.6 mm/ 0.98 kg (varies with size).

 

Load Capacity:

Vertical: 10–25 kN (≈1,000–2,500 kg)

Horizontal: 2–5 kN (≈200–500 kg)
 

JIS Pressed Beam Clamp

BS DF Half Coupler

 

Function:

Design loads are typically 1/4 of the ultimate capacity (e.g., a 10 kN coupler should only carry 2.5 kN in use).

 

Weight:48.3 mm/ 0.5 kg

 

Load Capacity:

Vertical: 1.0–2.5 kN (≈100–250 kg)
Horizontal: 0.2–0.4 kN (≈20–40 kg)

BS DF Half Coupler

One of the most important parts of the falsework is the foot pedal clutch, so you need to choose a foot pedal clutch with sufficient capacity. Before purchasing a scaffolding cooupler, it must be thoroughly tested and verified. If you need durable, reliable and cheap scaffolding connectors, Tianjin Youfa International Trade Co., Ltd can provide ideal products.

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