IRTT:  Iron Roughneck Torque Tester


Incorrect Make-Up Torque Can Be Costly:

Under Make-Up Dropped Strings, Fishing, Non-Productive Time

Over Make-Up →Damaged Threads, Pipe Repair


1 in 20 wells experience back-off / twist-off events

The average cost per event is $400,000

1 in 6 Iron Roughnecks apply torque with an error >15%

Contact Me About The IRTT

100% of these systems were believed to be properly functioning... Is Yours?

The only way to know how much make-up torque is being applied to your connections

is to directly measure that torque from within the jaws of your Iron Roughneck:

IRTT Brochure



Full-Scale Capacity** 50,000 to 150,000 ft-lbs

Pipe Diameter** 6 5/8 or 8 1/2 inches

Joint Height** 21 or 28 inches

Error Tolerance ±1% of Full Scale

Safe Overload 110% of Full Scale

Material 17-4 PH Stainless Steel

Temperature Range -70 to 130 F

Hazardous Area Certifications

  • Class 1, Division 2  Groups C,D (TA=75C)
  • Class 1, Zone 2  AEX N IIB T4 (TA=75C)
  • Zone 2 Group IIB T4 (TA=75) / EX N IIB (TA=75C)

**custom versions available upon request


3PS is not a manufacturer of Iron Roughneck systems- the IRTT provides an unbiased audit

Designed, manufactured and calibrated in the USA by 3PS

Calibrated as a complete system, traceable to NIST

Wireless communication and Class 1, Division 2 safety rating permit operation on the rig floor

Shunt calibration feature provides an intermediate check against IRTT drift

Machined from a solid piece of stainless steel to maximize symmetry and safety, minimize corrosion, and eliminate joint flexure / fatigue