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TRTS - Subseas Bolt Tensioning Tools

Generate Accurate & High Loads for all Flanges

  • Rapid-Torc has engineered the TRTS Series specifically for harsh Sub Sea Environments.
  • TRTS Sub Sea Tensioning tools are used Worldwide from the North Sea to the Gulf of Mexico.
  • Rapid-Torc's TRTS Series 2010 have unique features to fit diverse and rigorous requirements.

Segmented Puller Nut

TRTS Series is supplied with 2 pieces segmented puller nut. The diver simply slides the puller nut over the bolt. When in place, just squeeze the nut to lock it. To remove, push gently on the button at the top of the segmented puller nut. Slide it back!

Subseas Tensioner Features

Main Technical Features

  • High Strength Stainless Steel Body
  • Stroke: 0.81 to 1.181 inch (see next page)
  • High Load Capacities to match API 17D-10K
  • Segmented Puller Nut available on all models
  • Piston Mis-Alignment Compensation
  • Piston Over-Stroke Prevention
  • Fits most compact flanges, ANSI flanges, API-6A & Most of Norsok L-005, Taperlock, SPO
  • Maximum Working Pressure: 21,750 psi - 1,500 bar
  • Subsea tensioner's specifications are engraved on housing and puller nut - metric and imperial
  • Heavy Duty Eye Bolt to attach Lifting straps for easy underwater handling
  • Two Port equiped with the HP couplers CEJN Flat Face Series 116

Subseas Tensioner Charts



Technical Data

Our two pieces Segmented Puller Nut feature reduces diver fatigue improving diver safety and productivity


Tool Bolt Diam Pitch Diam. A Height B Across Flat C Load Hydraulic Minimum stud Headroom D
Ref in in in. in. in. lbf Area in² Protusion Dimensions
                Above Nut  
TRTS 1 3/4" UNC 2 9/16" 3 9/16" 1 7/8" 31,473 1.45 3 7/8" 8 3/4"
7/8" UNC 3 3/4"
TRTS 2 1" 8-UN 3 1/4" 4 7/16" 2 3/8" 53,954 2.48 5 5/8" 10 9/16"
1 1/8" 8-UN 5 1/2"
TRTS 3 1 1/4" 8-UN 3 3/4" 4 13/16" 3 1/16" 85,427 3.93 4 3/4" 11"
1 3/8" 8-UN 4 5/8"
TRTS 4 1 1/2" 8-UN 4 3/8" 5 1/32" 3 9/16" 123,644 5.69 5" 11 3/8"
1 5/8" 8-UN 4 7/8'
TRTS 5 1 3/4" 8-UN 5 5/16" 5 11/32" 4 1/2" 197,831 9.10 5 1/8" 12"
1 7/8" 8-UN 5"
2" 8-UN 4 7/8"
TRTS 6 2 1/4" 8-UN 7" 6 5/8" 5 1/2" 348,453 16.02 6 3/8" 14 3/8"
2 1/2" 8-UN 6 1/8"
2 3/4" 8-UN 5 7/8"
TRTS 7 3" 8-UN 8 5/8" 7 5/16" 7 1/8" 584,503 26.87 6 1/2" 15 3/8"
3 1/4" 8-UN 6 1/4"
3 1/2" 8-UN 6"

Subsea Tensioners
Metric Threads

Tool Bolt Diam Pitch Diam. A Height B Across Flat C Load Hydraulic Minimum stud Headroom  D
Ref mm mm mm mm mm kN Area mm² Protusion mm Dimensions
                Above Nut mm
TRTS 1 M20 UNC 65 91 48 140 934 101 220
M22 UNC 99
TRTS 2 M24 8-UN 82 112.5 60 240 1600 124 268
M27/M30 8-UN 121/119
TRTS 3 M33 8-UN 96 122 77 380 2534 127 279
M36 8-UN 124
TRTS 4 M39 8-UN 111 127 90 550 3668 133 290
M42 8-UN 130
TRTS 5 M45 8-UN 135 135.5 114 880 5868 139 304
M48 8-UN 137
M52 8-UN 133
TRTS 6 M56 8-UN 176 168.5 140 1550 10336 173 365
M60/M64 8-UN 170/167
M68/M72 8-UN 164/160
TRTS 7 M76 8-UN 179 185 180 2600 17338 178 390
M80 8-UN 175
M85/M90 8-UN 171/167
Ref: TE300-10v
PISTON STROKE TRTS 1 20 mm 13/16"
TRTS 2-5 25 mm 1"
TRTS 6-7 30 mm 1 1/4"

Others sizes and custom design available upon request