BWT Wind tensioners multistage

Multistage hydraulic spring return bolt tensioners. Ideal for use on wind towers, suitable for various bolt sizes.
Operating pressure 1350 bar, safety valve, limit switch indicator, interchangeable nut bridge, spring loaded nut rotating socket, stroke 10 mm.
Special bridges available for oversized nuts

 

 

Item Code Bolt Size & Pitch Stud protrusion min Stud protrusion max Max Stroke Max Load Hydraulic pressure area Ext. Diameter Tot. Heigh Interaxis min Tot. Weight
BWT30
BWT36
BWT42
mm mm mm kN mm2 mm mm mm Kg
BWT24 M24x3 51 60 7 292 2171 60 212 tba 4,8
BWT30 M30x3,5 59 71 8 469,5 3486,8 74 230 64 7,4
BWT33 M33x3,5 64 75 10 575,8 5028,0 79 230 71 8,4
BWT36 M36x4 70 92 10 667,1 4996 85 249 77 10,1
BWT39 M39x4 72 90 10 807,5 6012,0 92,5 268 82 13,1
BWT42 M42x4,5 82 95 10 924,5 6862,1 98,5 301 92 15,5
BWT45 M45x4,5 79 98,5 10 1080,5 8021,3 105 284 93,2 16,9
BWT48 M48x5 49 173 10 1220,1 9056,3 112 369 104 23,2
BWT64 M64x6 61 138,5 10 1988,0 14778,0 136,5 384 145 31,1

 

Special execution: the indicated dimensions can be customized upon request
All dimensions may be subject to change without prior notification by the manufacturer
Available special bridges for larger nuts as following

 

BWCK30M

Bridge assembly non standard nuts 50mm af, for bolt tensioner BWT30

BWCK36M

Bridge assembly non standard nuts 60mm af, for bolt tensioner BWT36

BWCK42M

Bridge assembly non standard nuts 70mm af, for bolt tensioner BWT42

 

USER MANUAL WIND TENSIONERS

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