Technical information Crab range

A d d i t i o n a l e q u i p m e n t 3 9 Slip prevention solution Orthogonal coupler 4 bolts + single coupler Code Description Weight Working load Class (kg) in kN EN 74-1 Orthogonal 197149-8 coupler 1.20 9 B 2 bolts Orthogonal 190049-7 coupler 1.74 15 B 4 bolts Combined coupler 190160-2 49/60 ortho 1.70 15 B 4 bolts Code Description Weight Working load Class (kg) in kN EN 74-1 Adjustable 197649-7 coupler 1.40 6 A 2 bolts Adjustable 190649-4 coupler 3.16 15 B 4 bolts Combined coupler 192160-0 49/60 orient. 1.47 6 A 2 bolts Code Description Weight Working load Class (kg) in kN EN 74-1 Single 190249-3 joining 0.99 5.1 A coupler Joining 100449-8 coupler 1.76 35 B with spigot (*) 190949-8 Stud bolt (**) 0.97 * Used with perforated tubes to take up a lot of tensile stress. ** Used to centre the tubes with one another before linking them with a single or spigot coupler. Article Description Weight (kg) 320505-1 Crab Coupler w / stirrup 0.65 420370-9 Crab swivel coupler w / clamp 0.90 Article Description Weight (kg) 101549-4 Assembling spanner 0.56 Article Description Weight (kg) 018656-9 Gravelock Coupler 1.47 Used in pairs. Joining couplers Crab couplers Gravelock coupler Example of horizontal take-up (anchored on structural frame) Example of vertical take-up (suspended on structural frame) Adjustable couplers must not be subject to torque perpendicular to their axis of rotation. Orthogonal coupler 4 bolts Single coupler 6 kN 18 kN 22.40 kN Code Description Weight Working load Class (kg) in kN EN 74-1 100349-0 Parallel coupler 1.83 15 B 2-bolt joining couplers and Crab couplers are used for bonding with low load take-up (connections between towers, guardrails). For high load take-up, use 4-bolt couplers. 01.11.17 T e c h n i c a l i n f o r m a t i o n