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Hydraulic Nuts

Common thread locking is generated by the rotation of torque wrench as the driving force to lock, which is largely consumed in overcoming friction between the threads, especially for large diameter threaded connection, it is constrained by manpower, tools and work space, which is difficult to achieve the designed preload and installation requirements, worse, inaccurate, therefore, it is easy to loose the connection after machine vibration or long time work.

Hydraulic nuts completely changed the traditional way of screwing, changed the traditional axial tensile locking torque lock. The use of force by means of ultra-high pressure pump to drive the hydraulic nuts, bolts fastening axially elongated, close to the yield point of the material, the use of an elastic material itself with threaded lock.

Ningbo Instruments Mechanics International Hydraulic Nut facilitates easy and fast to install a bearing with, precise, high hydraulic drive strength. Furthermore, removing the bearings mounted in either an adapter or withdrawal sleeves are often difficult and time consuming. These problems can be reduced with the use of Ningbo Instruments Mechanics hydraulic nut . Oil is pumped into the nut and the piston is pushed out of power, which is sufficient to release the sleeve . All Ningbo Instruments Mechanics TI-HN nuts are fitted with quick connectors to fit Ningbo Instruments Mechanics Hydraulic Pumps
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Product serial number
A008
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Parameter
Parameters
Features
Application
Model Thread d1 d2 d3 B B1 Max. Displacement  Coupler Thread
TI-HN13 M 65 x 2  65,5  121 130 38 5 5 G1/4” 
TI-HN16 M 80 x 2  80,5  137 146 38 5 5 G1/4” 
TI-HN28 M 140 x 2  140,5  200 208 37,0  7 5 G1/4” 
TI-HN30 M 150 x 2  150,5  211 220 39,0  7 5 G1/4” 
TI-HN32 M 160 x 3  160,5  224 232 40,0  7 6 G1/4” 
TI-HN34 M 170 x 3  170,5  235 244 41,0  7 6 G1/4” 
TI-HN36 M 180 x 3 180,5  247 256 41,0  7 6 G1/4” 
TI-HN38 M 190 x 3  191 259 270 42,0  8 7 G1/4” 
TI-HN40 M 200 x 3  201 271 282 43,0  8 8 G1/4” 
TI-HN44 TR 220 x 4  222 293 306 43,0  8 9 G1/4” 
TI-HN48 TR 240 x 4  242 316 330 46,0  9 10 G1/4” 
TI-HN50 TR 250 x 4  252 329 342 46,0  9 10 G1/4” 
TI-HN52 TR 260 x 4  262 341 356 47,0  9 11 G1/4” 
TI-HN56 TR 280 x 4  282 363 380 49,0  9 12 G1/4” 
TI-HN60 TR 300 x 4  302 386 404 50,0  10 14 G1/4” 
TI-HN64 TR 320 x 5  322 409 428 53,0  10 14 G1/4” 
TI-HN68 TR 340 x 5  342 430 450 54,0  10 14 G1/4” 
TI-HN72 TR 360 x 5  362 455 472 56,0  10 15 G1/4” 
TI-HN76 TR 380 x 5  382 476 498 58,0  11 16 G1/4” 
TI-HN80 TR 400 x 5  402 499 522 60,0  11 17 G1/4” 
TI-HN84 TR 420 x 5  422 522 546 61,0  11 17 G1/4” 
TI-HN88 TR 440 x 5  442 543 566 62,0  12 17 G1/4” 
TI-HN92 TR 460 x 5  462 565 590 64,0  12 17,0  G1/4” 
TI-HN96 TR 480 x 5  482 587 612 65,0  12 19,0  G1/4” 

 

 

 

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● Wide range of sizes , covering diameters from 50 to 1000 mm standard

● Full range of inch thread available;;

● Hydraulic nuts can adapt to all kinds of shock, rapid rotation, large power equipment and narrow space working conditions;

● Cost-efficient, light weight, high precision;

● A plurality of hydraulic nuts can be used simultaneously;

Do not need additional meter or gauge, the tightening torque is measured by the structural design of the ring by the amount of accurate and stable direct measurement of the desired axial bearing pressing in the distance;

You can use the same hydraulic nuts to install and withdraw sleeves;

By measuring the affiliated thread to replace the damaged O-ring, saving time and part cost;

● To seal bearings, it is easy to determine the amount of bearing axial pressing distance without measurement bearing internal clearance.

 

It is widely used in large box of detachable coal Shearer connection;
 
Power generation Steam Turbine and large cooling pumps and large fan fastening;
 
Composite roll rolling machine pre-tensioning;
 
Chemical Machinery, equipment, chemical containers, large pipes, fastening and sealing flange connection;
 
Locomotive engine casing connection;
 
Large bearings (or axle) is assembly.
 
 
 
 
 

 

 

 

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Ningbo Instruments Mechanics Co.,Ltd
Room112,Building 10, No.21,Lane 689 Changxing Road,
Jiangbei District, Ningbo City, Zhejiang,China

Tel: +86 (0)574 5615 0577
Mobil: 0086-18602116429
Skype: dgpshawn1
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