Hook Blocks for Lifting Gear

Gosan has developed a new series of blocks and tracks in accordance with the latest requirements and techniques FEM 1001 and DIN STANDARD 15020.

Safety when faced with breakage is in all cases greater than that required by FEM standards. The suspensions (hook, cross-axle, nut) correspond to DIN standards15411. The hooks correspond to DIN standards 15401 and 15402 and are made of forged steel, grade StE355 (class P, regulation DIN STANDARD 15400). Alloy 34 Cr Mo 4, 34 Cr Ni Mo 6 y 30 Cr Ni Mo 8 (classes S, T, V) can be used if required.

All the hooks are equipped with a safety bolt to prevent their escaping from the sling. They can be fitted with an anti spinning system which is easily attached without the use of tools; this keeps the hook steady. The pulleys are made of rolled steel, designed and built by Gosan, and are fitted with double cylindrical roller bearings, perfectly located with special retainers. These bearings are greased by means of lubricating points, one for every pulley, located on the end of the axle and duly protected from any possible knocks.

Special attention is paid to the shape of the throat when constructing the pulley. The bottom radius (DIN 15601 (r=0.525 d)) greatly extend the life of the cable, which will reach its maximum if the cable is properly placed in the pulley throat. Pulleys with the throat tempered will give an additional life extension to the cable and are available upon request. The distance between pulleys (blocks and tackles of four or more pulleys) is very small due to the type of bearings used.

Hook Block Suspensions with Single Hook for Cranes

Hooks in accordance with DIN15411 standards (with DIN15401 hooks).

Material: The hooks are made of forged steel, (class P). We can use alloy steel if required (class V).

All the hooks are equipped with a safety bolt to prevent their escaping from the sling. They can be fitted with an antispinning system which is easily attached without the use of tools, this keeps the hook steady.

Technical Data


HOOK
a1 b1 b2 b3 b4 c d5 d6 s u1 u3 v BEARING
1 50 50 17,5 - - - 25 - 10 39 - 130 51.106
1,6 56 65 17,5 - - - 25 - 10 53 - 140 51.107
2,5 63 80 20 22,5 17 8 30 19 10 63,5 - 155 51.108
4 71 90 22,5 25 19 8 35 23 12 71 - 175 51.110
5 80 100 25 27,5 22 8 40 27 15 79,5 - 195 51.112
6 90 125 27,5 30 24 10 45 32 15 90 95 240 51.214
8 100 140 30 35 29 10 50 36 20 98 104 265 51.216
10 112 160 30 35 29 10 55 40 20 110 116 280 51.218
12 125 180 35 42,5 34 10 60 42 25 127 133 315 51.220
16 140 190 35 42,5 36 12 70 50 25 136 143 370 51.222
20 160 200 - 47,5 41 12 80 56 30 150 157 415 51.224
25 180 220 - 49 41 12 90 64 30 166 173 460 51.226
32 200 260 - 59 51 12 100 72 40 188 195 500 51.232
40 224 285 - 65 58 14 110 80 45 208 215 565 51.236
50 250 335 - 65 58 14 125 92 45 224 232 620 51.244
63 280 380 - 71 63 14 140 104 50 260 267 700 51.248
80 315 420 - 72,5 63 14 160 120 50 287 294 800 51.256
100 355 470 - 87,5 77 18 180 136 60 326 333 885 51.260
125 400 510 - 87,5 77 18 200 150 60 365 374 1.000 51.268
160 450 550 - 100 87 18 220 164 70 406 416 1.130 51.272
200 500 610 - 100 87 18 240 184 70 492 501 1.270 51.372
250 560 700 - 110 97 18 260 200 80 552 561 1.440 51.384

Hook Block Suspensions with Double Hook for Cranes

Hooks in accordance with DIN15411 standards (with DIN15402 hooks).

Material: The hooks are made of forged steel, (class P). We can use alloy steel if required (class V). All the hooks are equipped with a safety bolt to prevent their escaping from the sling.

They can be fitted with an anti-spinning system which is easily attached without the use of tools, this keeps the hook steady.

Technical Data


HOOK
a2 b1 b2 b3 b4 c d5 d6 s u1 u3 v BEARING
1 32 50 17,5 - - - 25 - 10 39 - 130 51.106
1,6 36 65 17,5 - - - 25 - 10 53 - 140 51.107
2,5 40 80 20 22,5 17 8 30 19 10 63,5 - 155 51.108
4 45 90 22,5 25 19 8 35 23 12 71 - 175 51.110
5 50 100 25 27,5 22 8 40 27 15 79,5 - 195 51.112
6 56 125 27,5 30 24 10 45 32 15 90 95 240 51.214
8 63 140 30 35 29 10 50 36 20 98 104 265 51.216
10 71 160 30 35 29 10 55 40 20 110 116 280 51.218
12 80 180 35 42,5 34 10 60 42 25 127 133 315 51.220
16 90 190 35 42,5 36 12 70 50 25 136 143 370 51.222
20 100 200 - 47,5 41 12 80 56 30 150 157 415 51.224
25 112 220 - 49 41 12 90 64 30 166 173 460 51.226
32 125 260 - 59 51 12 100 72 40 188 195 500 51.232
40 140 285 - 65 58 14 110 80 45 208 215 565 51.236
50 160 335 - 65 58 14 125 92 45 224 232 620 51.244
63 180 380 - 71 63 14 140 104 50 260 267 700 51.248
80 200 420 - 72,5 63 14 160 120 50 287 294 800 51.256
100 224 470 - 87,5 77 18 180 136 60 326 333 885 51.260
125 250 510 - 87,5 77 18 200 150 60 365 374 1.000 51.268
160 280 550 - 100 87 18 220 164 70 406 416 1.130 51.272
200 315 610 - 100 87 18 240 184 70 492 501 1.270 51.372
250 355 700 - 110 97 18 260 200 80 552 561 1.440 51.384



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