71 MULTICRAB - TECHNICAL INFORMATION - 2023 MULTICRAB PART LIST CRAB COUPLER IPN COUPLER IPN coupler Part number Description Weight in kg 018656- 9 IPN coupler 1.47 Gravelock couplers are used IN PAIRS. Example of a use of Gravelock couplers ASSEMBLY KEY Assembly key Part number Description Weight in kg 101549- 4 Assembly key 0.56 CRAB coupler Part number Description Weight in kg 320505- 1 CRAB coupler - false stirrup 0.65 420370- 9 CRAB coupler - orientable 0.90 1 2 1 2 ANTI-SLIP SOLUTION 2-bolt junction couplers and CRAB couplers are used for interconnecting with low load take-up (connections between towers, guardrails). For high load take-up, use 4-bolt couplers. Orthogonal coupler with 4 bolts Single coupler CONVENTIONAL TUBES AND PERFORATED TUBES Do not hesitate to order your conventional tube lengths of Ø48.3 mm, Ø57 mm or Ø60 mm, conventional or perforated, from our branches for your worksites.
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