Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of en74 class b double coupler in China. Please feel free to buy high quality en74 class b double coupler from our factory. Good service and reasonable price are available.

EN74 Class B Double Coupler Specification

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Double Coupler Scaffold Testing & Safety

Our double couplers scaffolding need past slip and distortion test before package and shipping.

We do a 100% slip test though out the whole manufacturing process, including the stage of cover forming, base-forming, etc.

We do a final finished slip test after double coupler scaffold assembly.

Distortion test is done according to each production batch quantity according to the BS1139 and EN 74 scaffolding standards requirement.

The distortion test methods and required strength are meet up and exceed the EN 74 standard.

Only the tested past double coupler are approved by QC department and allowed to ship out as qualified scaffold double clamps.

According to QC standard, all of our double coupler scaffolds are conform to EN74 class B standard level.

The class B double coupler capacity and strengths are much higher than EN74 class A scaffolding clamps.

EN74 Class B Double Coupler (1)

EN74 Class B Double Coupler (2)

EN74 Class B Double Coupler use 8.8 Class Bolts

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Double coupler bolt and nuts elements tighten scaffold tubes in a safe position. In our factory, only use 8.8 class bolts are used in productions. These 8.8 class bolts are able to ensure the scaffolding tube clamp of stable quality. It also ensures the double coupler scaffolding safety in construction.

EN74 Drop Forged Double Coupler 008615122519420 (7)

EN74 Class B Scaffolding Coupler

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You can also find other scaffolding couplers here include the swivel clamps, putlog coupler, single clamp, gravlock beam clamps, sleeve couplers, and forged and pressed joint pin, etc. All of the scaffolding clamps and fittings are tested according to EN 74 standard. While the double coupler scaffold is conformed to a higher class of EN 74 Class B. Double coupler scaffolding is popularly used in all types of construction and temporary shoring scaffolding.Drop us an email Email：elvazhao@lefinsteel.com or call me by whatsapp：008615122519420

BS1139 Drop Forged Double COupler made in china Factory (3)