
AI-generated category reference. It is not a photograph of a specific manufacturer or exact product model.
OCTG & Tubular Handling
Hydraulic Power Tongs and Iron Roughnecks
Hydraulic power-tong selection focused on pipe grip range, gear-specific torque and hydraulic supply, with a documented TQ178-16 reference and clear assembly boundaries.
- Documented model references
- TQ178-16
- Parameters, conditions and sources
Source-bound technical references
Reference fields for quotation comparison. Final values must be confirmed in the signed manufacturer datasheet.
| Model | Parameter | Reference value | Conditions and source |
|---|---|---|---|
| TQ178-16 | Applicable pipe diameter | 101.6 to 178 mm | First TQ178-16 column only; do not transfer values from TQ178-16Y or TQ340 variants. Jaw/die configuration still needs confirmation. Technical Parameter; TQ178-16 / Size rangeRevision Public product page; controlled revision not stated · Checked 2026-10-23 |
| TQ178-16 | Maximum hydraulic-system pressure | 18 MPa | Hydraulic supply-system entry, not casing internal pressure or a recommended field setting. Use the controlled tong manual and approved system design. Technical Parameter; TQ178-16 / Hydraulic systemRevision Public product page; controlled revision not stated · Checked 2026-10-23 |
| TQ178-16 | Low-gear maximum torque | 16 kN.m | Low-gear maximum only, not high-gear torque or a thread make-up setpoint. Die, calibration and test conditions are not specified. Technical Parameter; TQ178-16 / Max torque, Low gearRevision Public product page; controlled revision not stated · Checked 2026-10-23 |
Technical selection notes
Only the first TQ178-16 column is adopted. Other researched tong pages contained model or metric/imperial discrepancies and were not used to infer compatible dimensions. No tong torque is presented as a thread make-up setpoint.
Published manufacturer data is a selection reference, not a quotation or evidence of supply availability.
Product overview
Define the gripping and reaction arrangement
A power tong applies torque through its gripping assembly. Its usable pipe range depends on the correct jaw and die arrangement, while the reaction path depends on the backup and installation. An iron roughneck is a broader handling and connection system; a tong head alone is not a complete equivalent package.
The TQ178-16 model column in Strong's published table is used here as a reference. The adjacent TQ178-16Y is a different column. A near-identical prefix is not permission to combine their values or assume that the assemblies share every component.
Maximum torque is not a make-up instruction
The table separates low-gear maximum torque from hydraulic-system pressure. Neither is the required make-up torque for an arbitrary casing connection. The connection manufacturer's specification, tubular condition, approved procedure and calibrated measurement system determine the operating requirements.
A bid that meets a maximum torque headline may still have the wrong die range, backup configuration, access envelope or control arrangement. Record the exact gear and measurement basis when comparing performance.
Complete package or replacement head?
| Purchase scope | Documents that distinguish it |
|---|---|
| Complete tong package | Head, backup, suspension, controls and power-unit scope |
| Replacement tong head | Installed model, serial identity, mounting and interface drawing |
| Jaw or die set | Part number, retention, tubular size and permitted contact condition |
| Hydraulic power unit | Compatible pressure-flow characteristics and control connections |
The published source does not establish every torque-speed combination or the offered unit's calibration. Obtain the current manufacturer data and avoid using maximum pressure and maximum speed as one guaranteed operating point.
Prepare a configuration-specific RFQ
Identify the tubular and connection, size changes, required torque measurement, available hydraulic supply and the complete scope to be supplied. For replacement parts, include existing nameplates and clear photographs without substituting a photo for a controlled dimension.
Request operating and maintenance documentation, calibration evidence where required, the assembly drawing and applicable inspection records. An API design statement on the source page does not prove current licence coverage for the quoted unit. The parts-identification guide helps keep equipment identity separate from a visual resemblance.
Technical reference trail
These public references support the equipment family and selection context. They do not imply dealership, authorization or a guaranteed order specification.
Frequently Asked Questions
Is the listed maximum tong torque the correct connection make-up torque?
No. A tool capacity and a connection's approved make-up requirement are different quantities. Use the applicable connection procedure and calibrated equipment.
Can TQ178-16Y values be substituted for TQ178-16?
Not from a similar model name. The source lists separate columns; the exact model, configuration and controlled drawing must match.
Submit RFQ for Hydraulic Power Tongs and Iron Roughnecks
Send product, quantity, specification and destination details so the requirements can be reviewed with potential suppliers.
Technical and RFQ References
Check common units, standards and purchasing terminology, then build a structured request for this equipment.
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