Description：
Convenient adjustment mode with supporting gear adjustment mode, suitable for construction environment.
Bolt torque comparison table mode, easy to find the right torque.
Gain adjustment function for quick adjustment of the in-position torque.
Extremely excellent power-to-weight ratio, wider torque range. Lighter and smaller.
Automatic reset anti-seize counteractive arm function for easier operation.
User (operator, administrator) hierarchical function management.
Support third-party intelligent proofreading torque, use software to adjust gain hardware compensation, extend tool life
The torque value of locking and loosening can be recommended according to the strength grade and size of the bolt, and the reference value can be modified to conform to the actual working condition.
The power supply voltage regulator unit and input voltage rectification feedback control function can restrain the fluctuation of power grid input voltage and improve torque precision.
Application：
Bridge construction: Used for tightening bridge structures and bolt connections.
Oil and gas industry: Used for tightening wellheads and pipeline connections.
Aircraft maintenance: Used for tightening aircraft parts and structures.
Offshore oil and gas platforms: Used for tightening critical connections in offshore installations.
Chemical plants: Used for tightening valves, pumps, and pressure vessels.
Power plant maintenance: Used for tightening steam boilers and power generation equipment.
Image Gallery：
Dimensions：
Series Comparison：
| Model | Square Drive Size | Torque Range（NM） | Speed(RPM) | Weight(KG) | Size A(mm) | Size B(mm) | Size C(mm) | Size D(mm) | Noise(db) |
| SM-8A | 0.75" | 240 | 800 | 12.5 | 4.9 | 390 | 69 | 78 | 210 | 80 |
| SM-12A | 0.75"/1" | 360 | 1200 | 11 | 4.9 | 390 | 69 | 78 | 210 | 80 |
| SM-21A | 1" | 630 | 2100 | 6.8 | 5.9 | 395 | 76 | 78 | 214 | 80 |
| SM-28A | 1" | 840 | 2800 | 5.8 | 6.4 | 409 | 78 | 78 | 215 | 80 |
| SM-40A | 1"/1.5" | 1200 | 4000 | 4 | 7 | 412 | 82 | 82 | 217 | 80 |
| SM-45A | 1"/1.5" | 1350 | 4500 | 3.2 | 8.4 | 437 | 88 | 88 | 219 | 80 |
| SM-60A | 1.5" | 1800 | 6000 | 2.5 | 9.5 | 440 | 93 | 93 | 223 | 80 |
| SM-80A | 1.5" | 2400 | 8000 | 2 | 10.9 | 446 | 102 | 102 | 227 | 80 |
| SM-100A | 1.5"/2" | 3000 | 10000 | 1.2 | 17.7 | 531 | 114 | 114 | 232 | 80 |
| SM-120A | 1.5"/2" | 3600 | 12000 | 1 | 17.7 | 531 | 114 | 114 | 232 | 80 |
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Product Tags：
Hydraulic Torque Wrenches
