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Feat: Safety break-off preventing device, the piston automatically returns to position.
Use: For bolt and nut installation and disassembly, the compact design is used in working conditions where the axial space is not restricted but the perimeter is limited.
Multi-Stage Cylinder Bolt Tensioner - Product Overview
This compact design is ideal for applications where axial space is not restricted, but clearance around the perimeter is limited.
The minimum thread protrusion (h) above the nut should be 1.0× bolt diameter (d) (based on the required pre-tightening force).
Working pressure: 700–1500 bar.
Suitable for a variety of nuts, including: Hex nuts, heavy-duty nuts, ISO 4032, DIN 2510, EN 14399 round nuts, and SV round nuts.
Multi-Stage Cylinder Bolt Tensioner - Features:
● Anti-breakage safety device
● Automatic piston retraction
● Interchangeable parts for different thread and nut specifications
● Optional bolt elongation measurement device
● Direct gear drive for the nut
● Spring-loaded swivel socket
● Over-stroke limit
● Inspection and control port
● Safety handle
● Counter
Available Options:
● Chrome-nickel surface coating
● Safety measurement rod for thread protrusion
● Rotatable high-pressure male/female couplings
● Distributor couplings
● Liftable safety guard
| Model | Max. Working Pressure（bar） | Max. Pulling Capacity (kN) | Max. Stroke（mm） | Cylinder Effective Area (mm²) | Outside diameter (mm) | Bolt | Nut Size（mm） | Weight（kg） |
| KET-HTE-24 | 150 | 307 | 7 | 2.274 | 59 | M24 | 36 | 5 |
| KET-HTE-30 | 150 | 461 | 7 | 3.417 | 72 | M30 | 46 | 6.6 |
| KET-HTE-33 | 150 | 595 | 7 | 4.407 | 79 | M33 | 50 | 8 |
| KET-HTE-36 | 150 | 680 | 10 | 5.037 | 84.5 | M36 | 55 | 10.7 |
| KET-HTE-39 | 150 | 800 | 10 | 5.926 | 91.5 | M39 | 60 | 12.8 |
| KET-HTE-42 | 150 | 922 | 10 | 6.830 | 98.5 | M42 | 65 | 16 |
| KET-HTE-45 | 150 | 1086 | 10 | 8.047 | 107 | M45 | 70 | 21 |
| KET-HTE-48 | 150 | 1296 | 10 | 9.604 | 116 | M48 | 75 | 22 |
| KET-HTE-56 | 150 | 1660 | 10 | 12.296 | 131 | M56 | 85 | 24 |
| KET-HTE-64 | 150 | 2350 | 10 | 18.800 | 147.8 | M64 | 95 | 47 |
