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Boltight Topside Tensioners

Boltight’s standard range of Topside Bolt Tensioning Tools are designed for general use on top side applications. Boltight Topside Tensioners are comprised of a hydraulic cylinder, bridge, puller and socket.

Boltight's hydraulic bolt tensioners have interchangeable adaptor kits that fit common hydraulic cylinders to enable the tightening of multiple bolt sizes.


  • Easy to install and remove
  • High wear and corrosion resistant surface treatment
  • Extremely durable due to surface coating of components (Nitride)
  • Internal features to compensate for joint misalignment
  • Tools can be connected in sequence improving operation speed and ensuring even joint compression
  • Available from stock


  • 1500 bar MWP​
  • 15mm stroke​
  • Profiling for weight saving​
  • Quick release bridge​
  • Single or twin port options​
  • Long life composite seals​
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boltight topside tensioners parts

Designed to fit most ANSI B16.5, MSS SP44 and AP|17D flanges. Compatible with metric and imperial bolts from ¾* (M20) - 4" (M100).

01 Puller
02 Piston
03 Indicator ring
04 Seal kit
05 Blanking plug
06 Bonded washer seal (where applicable)
07 Male quick connector
08 Male - Male adaptor
09 Body
10 Snap ring
11 Socket
12 Grub screw
13 Bridge
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