Hydraulic Tension Tools HT-T

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Hydraulic Tension Tools HT T
Hydraulic Tension Tool HT-T

In a world of heavy industry, where large machines and equipment build and shape our world. No one should ever have to question the integrity of critical bolted connections. PRSverse Hydraulic Nuts tensioners use hydraulic cylinder for bolt tension. This is proven technology used for successful installations. Hydraulic tensioners are easy to work with and provide a mechanical advantage with their unique design.
Hydraulic tensioner incorporates its own internal hydraulic jack which enables large diameter bolts to be tensioned to high and accurate pre-loads. They are quick to install using a hydraulic pump which activates the internal jacking system. The effort required to tighten a very large diameter bolt is reduced to the effort needed to operate the hydraulic pump. As there is no nut rotation during tightening the operation can be performed in a very small space and torsional stress on bolt or thread damage during tensioning is eliminated.


Operating Principle

Hydraulic tensioners nut develops a load directly proportional to the oil pressure, this can be accurately controlled and because it is developed hydraulically it is evenly applied. Multiple nuts can be connected with hoses for simultaneous operation allowing all bolts in a joint to be evenly loaded to the same high and accurate pre-load.
When oil pressure is applied, the joint is compressed and the bolt stretches, this produces a gap between the body of the nut and the piston. Depending on the type of nut, either shims are inserted into the gap or a locking collar on the piston is turned. When the hydraulic pressure is released, the load is transferred onto the shims or the locking collar to retain the load
The Hydraulic Nuts is self-aligning while under pressure and misalignment or flange rotation will produce a variation in the gap between the nut body and the piston. In the case of shim type nuts, tapered shims can be made and fitted to eliminate the effects of misalignment and flange rotation. In the case of collar type nuts, a spherical washer would need to be fitted under the Hydraulic Nuts.
Achieving a bolt pre-load which is in excess of the working load and eliminating bending and torsional stresses greatly improves the fatigue performance of the bolt. The internal jacking system is not under any pressure when the nut installation is complete and so does not deteriorate when the nut is in service providing it is not exposed to high radiation doses or elevated temperatures.


How It Works

By pressurizing the hydraulic cylinder, a heavy axial force is generated. This force is directed against a hardened washer. hydraulic cylinder generated only axial thrust force. The loads are transferred through the nut body which is positioned on the main thread. A hardened washer is used to transfer the force while protecting the flange face. The axial force of hydraulic cylinder and the opposite reaction force of the main bolt head create a strong clamping force on the flange. The axial force from the hydraulic cylinder creates an equally strong reaction force in the main bolt. You can trust our products; we guarantee that our hydraulic tensioner products will stay in place and fulfill their function for the entire lifetime of the bolted connection.


Hydraulic Tension Tools HT T
Features
  • Higher preload, Tightening in pure tension.
  • A single worker can work for massive assemblies.
  • Preload prevent bolts from loosening by vibration.
  • Torque checks can be done safely using only hand tools.
  • Better bolted joint, generating higher preload.
  • Custom solutions supplied to your application.
  • Eliminate dangerous pinch points.
  • Easier to install in limited space.
  • Accurate tensioning, even loading.
  • Accurate preloads prevent joint loosening.
  • Tightening in pure tension eliminates thread galling.
  • Quick and easy dismantling reduces downtime.

Applications
  • Steel Making Plants,
  • Cement Plants,
  • Mining Equipment,
  • Cranes and Hoists.
  • Defense Equipment,
  • Machine Tools,
  • Solar Plants,
  • Wind Mills,
  • Robotics
  • Construction Machines,
  • Chemical Equipment,
  • Valve Actuation.
  • Material Handling,
  • Hydraulic Press,
  • Plastic Machinery
  • Quick and easy dismantling reduces downtime.

and countless moreā€¦


Dimension Sheet

Tensioner nuts are available in various types and in a wide range of sizes. The range from M24 to M200, nuts are available as standard, nuts are made from alloy steel to achieve required clamping load to suit the application needs.

Power Nut - PP
tensioner-nut-nt
tensioner-nut-nt
Model Code Dia. D Th - M H h A / F In. Torque - KgM Clamping Force - Ton Weight in Kg.
PP M016 0100 60 M 16 50 10 13 2.5 12 1.1
PP M020 0100 60 M 20 50 10 13 3 15 1.1
PP M025 0100 75 M 25 60 12 17 4.5 18 1.9
PP M030 0100 75 M 30 60 12 17 5 20 1.9
PP M035 0100 85 M 35 67 15 17 7 33 2.5
PP M040 0100 85 M 40 67 15 17 8 35 2.5
PP M045 0100 120 M 45 95 20 25 10 40 4.8
PP M050 0100 120 M 50 95 20 25 11 45 4.8
PP M055 0100 120 M 55 95 20 25 12 50 4.8
Slim Nut
Slim Nut
Slim Nut
Dimension Sheet
Model Code Dia. D Dia. D 1 Th - M H h 1 A / F L In. Torque - KgM Clamping Force Weight in Kg.
PI M020 0100 75 22 M 20 60 10 13 21.5 4 12 1.9
PI M025 0100 75 28 M 25 60 10 13 21.5 7.5 18 1.9
PI M030 0100 85 32 M 30 68 15 17 25 8 24 2.8
PI M035 0100 85 38 M 35 68 15 17 25 10 30 2.8
PI M040 0100 105 43 M 40 85 20 25 31.5 11 40 4.2
PI M045 0100 105 48 M 45 85 20 25 31.5 12 45 4.2
Tensioner Bolt
tensioner-bolt
tensioner-bolt
Dimensi on Sheet
Model Code Dia. D Dia. d 1 Th - M H h A / F Input Torque KgM Clamping Force in Ton Weight in Kg.
PR M025 0100 90 27 M 25 60 17.5 13 6.5 12 2.5
PR M030 0100 90 32 M 30 60 17.5 13 9 18 2.5
PR M035 0100 90 38 M 35 60 17.5 13 10 24 2.5
PR M040 0100 120 43 M 40 80 23 17 11 30 4.4
PR M045 0100 120 48 M 45 80 23 17 12 30 4.4
PR M050 0100 120 53 M 50 80 23 17 13 30 4.4
Pressure Washer
pressure-washer
pressure-washer
Dimensi on Sheet
Model Code Dia. D Dia. d 1 Th - M H h A / F Input Torque KgM Clamping Force in Ton Weight in Kg.
PR M025 0100 90 27 M 25 60 17.5 13 6.5 12 2.5
PR M030 0100 90 32 M 30 60 17.5 13 9 18 2.5
PR M035 0100 90 38 M 35 60 17.5 13 10 24 2.5
PR M040 0100 120 43 M 40 80 23 17 11 30 4.4
PR M045 0100 120 48 M 45 80 23 17 12 30 4.4
PR M050 0100 120 53 M 50 80 23 17 13 30 4.4