Subsea Hydraulic Bolt Tensioning Tools

Boltight manufacture standard and custom tools for Subsea use. The Subsea range of bolt tensioners have been designed to operate at 1500 bar fitted with one self-sealing quick connect nipple.

Specifications

  • Twin connectors – optional extra.
  • Nickel-Plated but a variety of corrosion protection finishes.
  • Designed to operate at 1500 bar.
  • Self-sealing quick-connect nipple.
  • Fits all standard pipe flanges.
  • Easy piston return.
  • High Initial Bolt Stress
  • Lower cost solid reaction nuts also available.
  • Long 30mm Stroke

Combined body and bridge, eye bolt, maximum piston stroke indicator and a split reaction nut.

Benefits

  • 5 cylinders available to cover the entire range.
  • 30mm stroke available for single activation subsea – saving diver time.
  • Designed to conform to the European Pressure
  • Equipment Directive.
  • CE Marked.
  • Stock Item.
  • Full H&S and Maintenance Instruction Manual.
  • Misalignment compensation features to minimize damage on badly aligned joints.
  • All tools are pressure tested and issued with a test certificate.
  • Any number of tools can be connected for simultaneous operation.
Tool No Bolt Dia Inches Bolt Dia mm Max Load kN Max Load Ton.f Tool OD mm Height with split reaction nut mm Height with solid reaction nut mm
G1 7/8″ M24 361 36.2 90 174 156
G1 1″ M27 361 36.2 90 174 156
G1 1-1/8″ M30 361 36.2 90 174 156
G1 1-1/4″ M33 361 36.2 90 174 156
G2 1-3/8″ M36 544 54.6 109 180 169
G2 1-1/2″ M39 544 54.6 109 180 169
G2 1-5/8″ M42 544 54.6 109 180 169
G3 1-3/4″ M45 812 81.5 130 203 188
G3 1-7/8″ M48 812 81.5 130 203 188
G3 2″ M52 812 81.5 130 203 188
G4 2-1/4″ M56 1550 155.5 172 242 232
G4 2-1/2″ M64 1550 155.5 172 242 232
G4 2-3/4″ M72 1550 155.5 172 242 232
G5 3″ M76 2562 257 215 292 268
G5 3-1/4″ M80 2562 257 215 292 268
G5 3-1/2″ M85 2562 257 215 292 268
G5 M90 2562 257 215 292 268

Hose Reel and Downline Hose

Stainless Steel Subsea Pump