HSR Series Hydraulic Bolt Tensioner
The HSR Series hydraulic bolt tensioners feature a high-adaptability design with a compact structure and user-friendly operation. Its innovative interchangeable bridge allows for quick-change setup, significantly improving workflow efficiency. WREN has pushed the boundaries of technology to ensure our products for sectors like petrochemicals, energy, metallurgy, and defense meet or exceed the performance standards of premium imported brands. We pride ourselves on offering customization tailored to your unique working conditions. Contact a WREN engineer today to discuss your specific project needs
The HSR Series hydraulic bolt tensioners feature a high-adaptability design with a compact structure and user-friendly operation. Its innovative interchangeable bridge allows for quick-change setup, significantly improving workflow efficiency. WREN has pushed the boundaries of technology to ensure our products for sectors like petrochemicals, energy, metallurgy, and defense meet or exceed the performance standards of premium imported brands. We pride ourselves on offering customization tailored to your unique working conditions. Contact a WREN engineer today to discuss your specific project needs
Product Details
-Automatic recovery and stroke protection function, suitable for frequent operation
-Unique patented seal to ensure the service life under high pressure of 1500bar
-Rotated by both hand screw and lever
- Easy to check the spatial location between bridge and gasket with observation hole
- Over-stroke protection
-Automatic recovery and stroke protection function, suitable for frequent operation
-Unique patented seal to ensure the service life under high pressure of 1500bar
-Rotated by both hand screw and lever
- Easy to check the spatial location between bridge and gasket with observation hole
- Over-stroke protection
| Model | Bolt size | Maximum load | Force-Bearing Area | Maximum stroke | Cylinder reset | Maximum working pressure | Weight | A | B | C | D | |
| kN | mm² | mm | bar | kg | mm | mm | mm | mm | ||||
| HSR 0 | M20 | 3/4" | 160 | 1067 | 10 | No autoresponders |
1500 | ≈2.5 | 66.8 | 92.5 | 63 | 113.5 |
| M22 | 7/8" | 92.5 | 63 | 113.5 | ||||||||
| HSR 1 | M24 | 1" | 280 | 1867 | 10 | Autoresponders | 1500 | ≈3.7 | 85 | 116.5 | 68 | 141.5 |
| M27 | 116.5 | 68 | 141.5 | |||||||||
| 1.1/8" | 119.5 | 76 | 144.5 | |||||||||
| HSR 2 | M24 | 1" | 450 | 3003 | 10 | Autoresponders | 1500 | ≈5.5 | 103 | 116.5 | 75 | 141.5 |
| M27 | 116.5 | 75 | 141.5 | |||||||||
| M30 | 1.1/8" | 119.5 | 80 | 144.5 | ||||||||
| M33 | 1.1/4" | 122.5 | 84 | 147.5 | ||||||||
| M36 | 1.3/8" | 125.5 | 88.5 | 150.5 | ||||||||
| HSR 3 | M33 | 1.1/4" | 660 | 4400 | 10 | Autoresponders | 1500 | ≈7.5 | 118 | 122.5 | 92 | 149.5 |
| M36 | 1.3/8" | 125.5 | 96 | 152.5 | ||||||||
| M39 | 1.1/2" | 129 | 105 | 156 | ||||||||
| M42 | 1.5/8" | 132 | 104.5 | 159 | ||||||||
| HSR 4 | M39 | 1.1/2" | 1000 | 6669 | 10 | Autoresponders | 1500 | ≈11.5 | 140.5 | 131.5 | 112 | 163.5 |
| M42 | 1.5/8" | 134.5 | 114 | 166.5 | ||||||||
| M45 | 1.3/4" | 138 | 126 | 170 | ||||||||
| M48 | 1.7/8" | 141 | 123 | 173 | ||||||||
| 2" | 144 | 128 | 176 | |||||||||
| HSR 5 | M52 | 2" | 1500 | 10002 | 10 | Autoresponders | 1500 | ≈18.5 | 175.5 | 148 | 134 | 187 |
| M56 | 2.1/4" | 154.5 | 148 | 193.5 | ||||||||
| M60 | 154.5 | 148 | 193.5 | |||||||||
| M64 | 2.1/2" | 161 | 153 | 200 | ||||||||
| M68 | 161 | 153 | 200 | |||||||||
| M70 | 161 | 153 | 200 | |||||||||
| 2.3/4" | 167 | 165 | 206 | |||||||||
| HSR 6 | M72 | 2.3/4" | 2500 | 16670 | 10 | Autoresponders | 1500 | ≈33 | 219 | 167 | 172 | 216 |
| M76 | 3" | 174 | 182 | 223 | ||||||||
| M80 | 174 | 182 | 223 | |||||||||
| M85 | 3.1/4" | 180 | 190 | 229 | ||||||||
| M90 | 3.1/2" | 186 | 205 | 235 | ||||||||
| HSR 7 | M90 | 3.1/2" | 3200 | 21336 | 10 | Autoresponders | 1500 | ≈47 | 252 | 186 | 230 | 241 |
| M95 | 186 | 230 | 241 | |||||||||
| M100 | 3.3/4" | 192 | 235 | 247 | ||||||||
| 4" | 199 | 242 | 254 | |||||||||
| HSR 8 | M105 | 4" | 4100 | 27336 | 10 | Autoresponders | 1500 | ≈63.5 | 283 | 199 | 255 | 264 |
| M110 | 199 | 255 | 264 | |||||||||
| M115 | 4.1/4" | 205 | 260 | 270 | ||||||||
| 4.1/2" | 212 | 270 | 277 | |||||||||
| HSR 9 | M115 | 4857 | 32380 | 10 | Autoresponders | 1500 | ≈74 | 318 | 205 | 260 | 270 | |
| M125 | 225 | 272 | 290 | |||||||||
| HSR 10 | M130 | 7068 | 47121 | 10 | Autoresponders | 1500 | ≈130 | 375 | 250 | 312 | 335 | |
| M145 | ||||||||||||
| Model | Bolt size | Maximum load | Force-Bearing Area | Maximum stroke | Cylinder reset | Maximum working pressure | Weight | A | B | C | D | |
| kN | mm² | mm | bar | kg | mm | mm | mm | mm | ||||
| HSR 0 | M20 | 3/4" | 160 | 1067 | 10 | No autoresponders |
1500 | ≈2.5 | 66.8 | 92.5 | 63 | 113.5 |
| M22 | 7/8" | 92.5 | 63 | 113.5 | ||||||||
| HSR 1 | M24 | 1" | 280 | 1867 | 10 | Autoresponders | 1500 | ≈3.7 | 85 | 116.5 | 68 | 141.5 |
| M27 | 116.5 | 68 | 141.5 | |||||||||
| 1.1/8" | 119.5 | 76 | 144.5 | |||||||||
| HSR 2 | M24 | 1" | 450 | 3003 | 10 | Autoresponders | 1500 | ≈5.5 | 103 | 116.5 | 75 | 141.5 |
| M27 | 116.5 | 75 | 141.5 | |||||||||
| M30 | 1.1/8" | 119.5 | 80 | 144.5 | ||||||||
| M33 | 1.1/4" | 122.5 | 84 | 147.5 | ||||||||
| M36 | 1.3/8" | 125.5 | 88.5 | 150.5 | ||||||||
| HSR 3 | M33 | 1.1/4" | 660 | 4400 | 10 | Autoresponders | 1500 | ≈7.5 | 118 | 122.5 | 92 | 149.5 |
| M36 | 1.3/8" | 125.5 | 96 | 152.5 | ||||||||
| M39 | 1.1/2" | 129 | 105 | 156 | ||||||||
| M42 | 1.5/8" | 132 | 104.5 | 159 | ||||||||
| HSR 4 | M39 | 1.1/2" | 1000 | 6669 | 10 | Autoresponders | 1500 | ≈11.5 | 140.5 | 131.5 | 112 | 163.5 |
| M42 | 1.5/8" | 134.5 | 114 | 166.5 | ||||||||
| M45 | 1.3/4" | 138 | 126 | 170 | ||||||||
| M48 | 1.7/8" | 141 | 123 | 173 | ||||||||
| 2" | 144 | 128 | 176 | |||||||||
| HSR 5 | M52 | 2" | 1500 | 10002 | 10 | Autoresponders | 1500 | ≈18.5 | 175.5 | 148 | 134 | 187 |
| M56 | 2.1/4" | 154.5 | 148 | 193.5 | ||||||||
| M60 | 154.5 | 148 | 193.5 | |||||||||
| M64 | 2.1/2" | 161 | 153 | 200 | ||||||||
| M68 | 161 | 153 | 200 | |||||||||
| M70 | 161 | 153 | 200 | |||||||||
| 2.3/4" | 167 | 165 | 206 | |||||||||
| HSR 6 | M72 | 2.3/4" | 2500 | 16670 | 10 | Autoresponders | 1500 | ≈33 | 219 | 167 | 172 | 216 |
| M76 | 3" | 174 | 182 | 223 | ||||||||
| M80 | 174 | 182 | 223 | |||||||||
| M85 | 3.1/4" | 180 | 190 | 229 | ||||||||
| M90 | 3.1/2" | 186 | 205 | 235 | ||||||||
| HSR 7 | M90 | 3.1/2" | 3200 | 21336 | 10 | Autoresponders | 1500 | ≈47 | 252 | 186 | 230 | 241 |
| M95 | 186 | 230 | 241 | |||||||||
| M100 | 3.3/4" | 192 | 235 | 247 | ||||||||
| 4" | 199 | 242 | 254 | |||||||||
| HSR 8 | M105 | 4" | 4100 | 27336 | 10 | Autoresponders | 1500 | ≈63.5 | 283 | 199 | 255 | 264 |
| M110 | 199 | 255 | 264 | |||||||||
| M115 | 4.1/4" | 205 | 260 | 270 | ||||||||
| 4.1/2" | 212 | 270 | 277 | |||||||||
| HSR 9 | M115 | 4857 | 32380 | 10 | Autoresponders | 1500 | ≈74 | 318 | 205 | 260 | 270 | |
| M125 | 225 | 272 | 290 | |||||||||
| HSR 10 | M130 | 7068 | 47121 | 10 | Autoresponders | 1500 | ≈130 | 375 | 250 | 312 | 335 | |
| M145 | ||||||||||||
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