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Performance under Pressure

STR Single acting lock nut cylinders

STR Single acting lock nut cylinders
  • Capacity from 30 to 1.100 Tn, stroke up to 300 mm.
  • The lock nut holds the load mechanically for long periods of time.
  • Load return. Lock nut tested under 50% overload.
  • Hydraulic end of stroke overflow port. Red band warning. Mechanical end of stroke as special.
  • Used for foundation supporting, bridge construction and shipbuilding.
  • Optional tilting saddles.
  • For confined spaces, use STX models.
  • Also available in double acting versions DT and DTC.


Drawing and dimensions
Capacity Stroke Model Oil Cap.Closed HeightWeight
TnkNmmLARZEPcm³mmkg
30 303 50 STR03005 221 169 10,3
100 STR03010 442 219 13,2
150 STR03015 663 269 17,2
200 STR03020 884 319 19,2
250 STR03025 1.105 369 22,5
300 STR03030 1.325 419 25,9


50 487 50 STR05005 355 155 15
100 STR05010 709 205 20
150 STR05015 1.062 260 25
200 STR05020 1.418 310 30
250 STR05025 1.772 365 35
300 STR05030 2.127 415 40


100 911 50 STR10005 664 180 31
100 STR10010 1.327 230 40
150 STR10015 1.991 285 50
200 STR10020 2.654 335 59
250 STR10025 3.318 390 69
300 STR10030 3.981 440 78


140 1.380 50 STR14005 1.005 201 49
100 STR14010 2.011 251 61
150 STR14015 3.016 311 76
200 STR14020 4.021 361 88
250 STR14025 5.026 421 103
300 STR14030 6.032 471 115


220 2.156 50 STR22005 1.571 208 79
100 STR22010 3.142 258 98
150 STR22015 4.712 318 121
200 STR22020 6.283 368 140
250 STR22025 7.854 433 165
300 STR22030 9.425 483 184


350 3.368 50 STR35005 2.545 238 139
100 STR35010 4.909 288 169
150 STR35015 7.363 348 204
200 STR35020 9.817 398 233
250 STR35025 12.272 458 269
300 STR35030 14.726 508 298


430 4.224 50 STR43005 3.079 250 175
100 STR43010 6.158 300 210
150 STR43015 9.236 365 258
200 STR43020 12.315 415 292
250 STR43025 15.394 480 338
300 STR43030 18.473 530 373


560 5.517 50 STR56005 4.021 280 263
100 STR56010 8.042 330 310
150 STR56015 12.064 395 370
200 STR56020 16.085 445 417
250 STR56025 20.106 510 478
300 STR56030 24.127 560 524


670 6.600 50 STR67005 4.811 305 343
100 STR67010 9.621 355 400
150 STR67015 14.432 420 472
200 STR67020 19.242 470 530
250 STR67025 24.053 535 604
300 STR67030 28.863 585 660


880 8.620 50 STR88005 6.283 325 474
100 STR88010 12.566 375 548
150 STR88015 18.849 440 643
200 STR88020 25.133 490 717
250 STR88025 31.416 555 813
300 STR88030 37.699 605 886


1.100 10.905 50 STR110005 7.952 340 681
100 STR110010 15.904 420 773
150 STR110015 23.856 485 894
200 STR110020 31.808 535 987
250 STR110025 39.760 600 1.107
300 STR110030 47.713 650 1.200