NORBAR HT7/75 1 1/2 MANUAL TORQUE MULTIPLIERS 600-6000NM

The Norbar HandTorque HT-7/75 is a manual torque multiplier designed to deliver up to 6,000 N·m through a 1-1/2" square output, with torque multiplication accuracy better than ±4%. Its listed nominal 75:1 multiplication ratio offers a balance between high torque multiplication and tightening speed, making it suitable for demanding industrial bolting applications. Supplied by General Tech Services LLC, UAE, it operates without an external power source.

For pricing and availability, call +971 6 5436933.

Part No. HT-7/75

The Norbar HT-7/75 uses a multi-stage epicyclic gearbox to convert input torque from a suitable torque wrench into a much higher output. With a listed working range of 600–6,000 N·m, it is designed for heavy-duty fastening and industrial maintenance tasks.

The listing specifies a nominal multiplication ratio of 75:1. Norbar torque multipliers use the true torque multiplication ratio rather than the velocity ratio, so confirm the exact mean torque ratio and required input torque with the manufacturer's documentation before tightening critical joints.

The HT-7/75 drives a 1-1/2" square-drive socket and is suitable for applications where a 25:1 multiplier may provide insufficient multiplication and a 125:1 model may require more input turns than desired. Its manual operation makes it useful at offshore facilities, remote substations, confined vessels and other locations where electricity, compressed air or batteries may be unavailable.

The supplied listing does not confirm the input square size or whether the model includes an anti-wind-up ratchet. General Tech Services LLC can confirm these details before ordering to help ensure compatibility with your existing torque wrench and application.

For a higher multiplication ratio, consider the Norbar HT-7/125, subject to confirmation of the appropriate model and specifications.

Key Benefits

• High torque output: Delivers up to 6,000 N·m for demanding bolting applications.

• 75:1 nominal multiplication ratio: Offers a balance between torque multiplication and tightening speed.

• Torque multiplication accuracy: Better than ±4%.

• Manual operation: Requires no electricity, battery or compressed air.

• Epicyclic gearbox: Multiplies input torque for heavy-duty fastening tasks.

• Portable solution: Suitable for workshops, field maintenance and remote industrial locations.

• Specification confirmation available: Input drive size and anti-wind-up ratchet configuration can be confirmed before ordering.

For pricing and availability, contact General Tech Services LLC at +971 6 5436933.

Who This Product Is Best For

• Maintenance teams handling fasteners requiring up to 6,000 N·m.

• Offshore, oil and gas, and petrochemical facilities where powered tools may be restricted.

• Industrial technicians needing a portable, manual high-torque solution.

• Workshops looking for a multiplication ratio between standard 25:1 and higher-ratio models.

• Teams that need to confirm input-drive compatibility before selecting a torque multiplier.

How to Use It

1. Identify the required output torque and confirm the model's exact mean torque ratio using the manufacturer's documentation.

2. Confirm the input square size and ratchet configuration before connecting the tool.

3. Calculate the required input torque using the verified torque ratio.

4. Set a compatible torque wrench to the calculated input value and attach it to the multiplier.

5. Fit the appropriate socket to the 1-1/2" output and position the reaction arm against a suitable, secure reaction point according to the manufacturer's instructions.

6. Apply force smoothly and confirm that the tightening cycle has completed as intended.

7. Release and reposition the tool safely before continuing with another fastener.

Always follow the manufacturer's instructions and the applicable bolting procedure. Do not treat the listed nominal 75:1 ratio as the exact torque ratio for critical joints without verification.

Frequently Asked Questions

1. What is the maximum output torque of the Norbar HT-7/75?

It delivers up to 6,000 N·m, with a listed working range of 600–6,000 N·m.

2. What is the torque multiplication ratio?

The supplied listing states a nominal ratio of 75:1. Confirm the exact mean torque ratio with the manufacturer before calculating input torque for critical applications.

3. How accurate is the HT-7/75?

Its stated torque multiplication accuracy is better than ±4%.

4. What output drive size does it use?

The listing specifies a 1-1/2" square output. The input square size should be confirmed before ordering.

5. Does the HT-7/75 require a power supply?

No. It is manually operated and requires no electricity, compressed air or battery.

6. Does this model include an anti-wind-up ratchet?

The supplied listing does not confirm the ratchet configuration. Contact General Tech Services LLC to verify this feature before ordering.

7. Should I choose the HT-7/75 or HT-7/125?

The HT-7/75 listing specifies a nominal 75:1 ratio, while the HT-7/125 is identified as a higher-ratio alternative. Choose based on the required output torque, tightening speed and available torque wrench, and verify the exact specifications before purchase.

8. How can I get a price in the UAE?

Contact General Tech Services LLC for current pricing, availability, confirmed specifications and lead time by calling +971 6 5436933.

Request a quote for the Norbar HandTorque HT-7/75 from General Tech Services LLC, UAE. Call +971 6 5436933 to confirm compatibility and availability.