Zhengzhou Duorui enterprise Co., Ltd
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BS1139/EN74 Galvanized Drop Forged And Pressed Caffolding Double Swivel Couplers
| Parameter | Details |
| Material | Drop - forged models are mainly crafted from high - quality Q235 carbon steel, while pressed versions use a suitable alloy. This material provides excellent strength and durability, capable of withstanding heavy loads and harsh working conditions. |
| Dimensions - Tube Compatibility | They are designed to fit standard scaffolding tubes, typically with an outer diameter of around 48.3mm. However, they can also be customized to fit other common sizes in the market, such as 48mm or 51mm, ensuring broad compatibility across different scaffolding systems. |
| Weight | The weight of these double swivel couplers varies according to the manufacturing process and size. Drop - forged couplers usually weigh approximately 1.1 - 1.2 kg each, and pressed couplers are slightly lighter, around 0.9 - 1.0 kg. This weight balance makes them easy to handle during installation and transportation. |
| Surface Treatment | Both drop - forged and pressed couplers are given a galvanized finish. The galvanization process involves coating the coupler with a layer of zinc, which offers outstanding corrosion resistance. This ensures the couplers can be used in various environmental conditions, including humid construction sites or areas with chemical exposure. |
| Load - Bearing Capacity | They are designed to bear substantial loads. Generally, these double swivel couplers can withstand a vertical load of up to 25 - 30 kN and a horizontal load of 10 - 15 kN, depending on the specific model and manufacturing standards. This high load - bearing capacity makes them reliable for supporting the weight of workers, tools, and construction materials on scaffolding. |
| Angle Adjustability | As their name implies, double swivel couplers offer a high degree of angle adjustability. They can typically rotate up to 360 degrees at the swivel joints, allowing for the connection of tubes at any desired angle, which is vital for creating complex and adaptable scaffolding structures. |
