HYDRAULIC EXTERNAL TENSIONER & PEREGRINE
FROM RIVERHAWK
HYDRAULIC EXTERNAL TENSIONER
The Riverhawk Hydraulic External Tensioner HET device is lightweight, compact, and versatile. It operates at a maximum pressure of 21,750 psi and uses high-strength stainless steel, which ensures long-lasting use. If your installation situation provides sufficient thread protrusion, the HET device can be used without any problems. The greatest possible flexibility is ensured by the modular design.
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In addition to our standard catalog offerings, we offer the flexibility to customize any Hydraulic External Tensioner to align more closely with your specific application. This includes a range of modifications such as special fittings, unique bridges, and spanner sockets designed for 12-point nuts, to name a few. But our customization capabilities don’t stop at minor adjustments. We can also design a fully custom tensioner, meticulously tailored to meet your unique requirements. This ensures that you get a solution that is not just close, but a perfect fit for your needs.
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Areas of application:
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Compressor, turbine, pump housing
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Steam turbine valves
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API / ASME pipe flanges
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Spacer, anchor bolt, tie rod
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Modular Design Provides:
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Flexibility
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Accurate and Repeatable Stud Loading
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Faster and Easier Flange Closure
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Standard and Custom Designs
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Optional Spring Return
Item | Thread Size (inch) | Thread Size (in mm) | min Height (in mm) C |
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HET-0750 | 3/4" | 19,1 | 112,3 |
HET-0875 | 7/8" | 22,2 | 115,6 |
HET-1000 | 1" | 25,4 | 118,6 |
HET-1125 | 1-1/8" | 28,6 | 125,5 |
HET-1250 | 1-1/4" | 31,8 | 125,5 |
HET-1375 | 1-3/8" | 34,9 | 128,5 |
HET-1500 | 1-1/2" | 38,1 | 131,6 |
HET-1625 | 1-5/8" | 41,3 | 130,1 |
HET-1750 | 1-3/4" | 44,5 | 133,4 |
HET-1875 | 1-7/8" | 47,6 | 136,1 |
HET-2000 | 2" | 50,8 | 148,3 |
HET-2250 | 2-1/4" | 57,2 | 154,7 |
HET-2500 | 2-1/2" | 63,5 | 161,1 |
HET-2750 | 2-3/4" | 69,9 | 162,3 |
HET-3000 | 3" | 76,2 | 168,7 |
HET-3250 | 3-1/4" | 82,6 | 177,6 |
HET-3500 | 3-1/2" | 88,9 | 178,3 |
HET-3750 | 3-3/4" | 95,3 | 184,7 |
HET-4000 | 4" | 101,6 | 191 |
FLANGE TENSIONER PEREGRINE
The Riverhawk “Peregrine” bolt tensioning device (PET) is lightweight, compact, and thus flexible in use. If your installation situation provides sufficient thread protrusion, the “Peregrine” bolt tensioning device can be used without any problems. It is one of the smallest and lightest versions in its class.
It has a spring return mechanism, which makes operation comfortable. The integrated overload protection ensures a secure connection and prevents leaks. The overload protection value can be determined visually at any time through the practical color coding. The Peregrine bolt tensioning device was developed for the ASME 16.47, ASME 16.5, & API 6A flanges. We can design each of our bolt tensioning devices individually and according to your wishes.
• Lightweight
• Overstroke Protection
• Spring Return
• Stroke Indicator
• Quick Disconnect Hose Connections
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Item | Thread Size | Adapter | min Height C (in mm) |
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PET-6977 | M30 | AK-6991 | 284 |
PET-6977 | 1,25" | AK-6992 | 282 |
PET-6977 | M33 | AK-6993 | 282 |
PET-6977 | 1,375" | AK-6994 | 284 |
PET-6977 | M36 | AK-6995 | 284 |
PET-6977 | 1,5" | AK-6996 | 282 |
PET-6977 | M39 | AK-6997 | 282 |
PET-6978 | 1,625" | AK-6998 | 320 |
PET-6978 | M42 | AK-6999 | 320 |
PET-6978 | 1,75" | AK-7000 | 315 |
PET-6978 | M45 | AK-7001 | 315 |
PET-6978 | 1,875" | AK-7002 | 325 |
PET-6978 | M48 | AK-7003 | 325 |
PET-6978 | 2" | AK-7004 | 323 |
PET-6978 | M52 | AK-7005 | 323 |
PET-6979 | 2,125" | AK-7006 | 356 |
PET-6979 | M56 | AK-7007 | 353 |
PET-6979 | 2,25" | AK-7008 | 353 |
PET-6979 | M60 | AK-7009 | 351 |
PET-6979 | 2,375" | AK-7010 | 351 |
PET-6979 | 2,5" | AK-7011 | 345 |
PET-6979 | M64 | AK-7012 | 345 |
PET-6980 | 2,625" | AK-7013 | 384 |
PET-6980 | M68 | AK-7014 | 381 |
PET-6980 | 2,75" | AK-7015 | 378 |
PET-6980 | M72 | AK-7016 | 376 |
PET-6980 | 2,875" | AK-7017 | 376 |
PET-6980 | M76 | AK-7018 | 373 |
PET-6980 | 3" | AK-7019 | 373 |
PET-6981 | 3,125" | AK-7020 | 404 |
PET-6981 | M80 | AK-7021 | 404 |
PET-6981 | 3,25" | AK-7022 | 401 |
PET-6981 | M85 | AK-7023 | 399 |
PET-6981 | 3,375" | AK-7024 | 399 |
PET-6981 | 3,5" | AK-7025 | 394 |
PET-6981 | M90 | AK-7026 | 394 |