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SPX Flow SRT3 Hydraulic Bolt Tensioner
660 k.N Hydraulic Bolt Tensioner, Auto Return [M33-M42], 1.1/4“ - 1.5/8“
| SPX Code | SRTAS030001 |
| Work. Pressure | 1500 Bar |
| Load Cell | Spring return |
| Capacity (tn) | 66 Ton |
| Capacity (k.N) | 660 k.N |
| Bolt Metric | M33 - M42 |
| Bolt Inches | 1.1/4" - 1.5/8" inch |
| Tool Stroke | 10 mm |
| Hydraulic Area | 44 cm² |
| Out. Diam. | 118 mm |
| Tool Weight | 5.4 kg |
| Brand -Origin | SPX Flow - USA |
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General product informationFeatures
- Load capacity range 160 ~ 4.100 k.N
- Load capacity range 35.971 ~ 921.762 Lbf
- Bolt coverage metric from M20 ~ M115
- Bolt coverage imperial from 3/4” ~ 4.1/2”
- Spring return 1500 bar hydraulic system
- Piston stroke 10 mm with stroke indication
- Piston/cylinder misalignment compensation
- Twin couplings for multiple tool connection
- Unique quick release bridge adaptation
- Over stroke eliminator to prevent over stroking
- Desingned to fit BS1560/ANSI B16.5/API flanges
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Product technical specificationsTechnical Specifications
SPX Flow SRT Series Spring Return Bolt Tensioners
The Spring Return design dramatically increases productivity and safety on the job site when compared to older technology manual return tensioners.
Max tool pressure: 1,500 bar (21,750 psi)
Bolt protrusion above nut: 1 x bolt diameter
Compatibility: Compatible with MRT Tensioner range
Over Stroke: Piston over-stroke eliminator to prevent over stroking and blowing a seal
Fully enclosed load cell design eliminates entry of debris into piston retraction mechanism
| Model | Capacity | Bolt size | Nut A/F | Thread Pitch | Hydraulic area | Out. Dia. | B | C | D | E | F | G | Weight | |
| No | k.N | metric | Adaptor No. | mm | # | cm² | mm (A) | mm | mm | mm | mm | mm | mm | kg |
| SRT3 SRTAS030001 |
660 | M33 | SRTAS030011 | 50 | 3.5 | 44.01 | 118 | 123 | 88 | 192 | 44 | 35 | 76.5 | 5.4 |
| M36 | SRTAS030012 | 55 | 4.0 | 44.01 | 118 | 126 | 96 | 198 | 47 | 38 | 80.8 | 5.4 | ||
| M39 | SRTAS030013 | 60 | 4.0 | 44.01 | 118 | 130 | 96 | 204 | 51 | 42 | 83.6 | 5.4 | ||
| M42 | SRTAS030014 | 65 | 4.5 | 44.01 | 118 | 133 | 105 | 211 | 54 | 41 | 91 | 5.4 | ||
| Imperial Sizes - Inch Hydraulic Bolt Tensioner | ||||||||||||||
| Inches | Adaptor No. | Nut A/F | Thread Pitch | in² | in (A) | in | in | in | in | in | in | lb | ||
| 1.1/4'' | SRTAS030003 | 2" | 0.125 | 6.822 | 4.7 | 4.8 | 3.5 | 7.5 | 1.7 | 1.4 | 3 | 11.9 | ||
| 1.3/8'' | SRTAS030005 | 2.3/16" | 0.125 | 6.822 | 4.7 | 5 | 3.8 | 7.8 | 1.9 | 1.5 | 3.2 | 11.9 | ||
| 1.1/2'' | SRTAS030007 | 2.3/8" | 0.125 | 6.822 | 4.7 | 5.1 | 3.8 | 8 | 2 | 1.7 | 3.3 | 11.9 | ||
| 1.5/8'' | SRTAS030009 | 2.9/16" | 0.125 | 6.822 | 4.7 | 5.2 | 4.1 | 8.2 | 2.1 | 1.6 | 3.6 | 11.9 | ||
Applications including;
- All Oil & Gas Flanges
- Heat Exchangers
- Pressure vessels
- Exchange covers & nozzles
- Boiler feed pump
- Manufacturing machinery
- Cranes
- Clamps
SRT Series Hydraulic Bolt Tensioners PDF
SRT3 Bolt Tensioner Dimensions Drawing PDF
SRT 1-2-3 Load Cell Spare Parts List PDF
