CP66 Series: Pneumatic Torque Wrenches from 320 to 8 100 Nm (236 - 6,000 ft/lb)
Designed for the toughest environments, the CP66 Series pneumatic torque wrench – a compressed‑air‑powered tool that delivers controlled, high‑accuracy torque for tightening and loosening heavy‑duty fasteners – provides fast, reliable, and comfortable performance for applications such as flanges, pipelines, and structural assemblies.
When to choose the CP66 Pneumatic Torque Wrenches over Hydraulic and Cordless Tools?
The CP66 Pneumatic Torque Wrenches ensures:
- Continuous operation - 100% duty cycle with no overheating, ideal for long tightening sequences.
- Consistent torque output - no battery drop‑off and stable performance in demanding environments.
- Fast setup - quicker to deploy than hydraulic systems, especially in field operations.
- Lower total cost of ownership - fewer components and reduced maintenance compared to hydraulic tools.
- High tightening accuracy - reliable ±5% accuracy, even during extended bolting cycles.
Compared to hydraulic tools, the CP66 offers faster setup and easier field deployment. Compared to cordless tools, it provides continuous power with no battery limitations — ideal for long bolting sequences in harsh or remote environments.
Productivity
Achieve faster tightening cycles with up to 10 RPM at maximum torque, reducing operation time. The pneumatic design prevents overheating, enabling uninterrupted productivity.
Precision
Ensure consistent and controlled torque with ±5% tightening accuracy, further enhanced with the optional ATC Pack—ideal for repeatable tightening and long sequences.
Ergonomics
Low vibration levels allow safe, single‑operator use even during extended shifts. The CP6681 features an innovative D‑handle that provides a secure, comfortable grip and helps reduce operator fatigue.
Safety
Reduced kickback, stable performance, and no overheating contribute to safer operation in harsh industrial environments.
CP6681 pneumatic torque wrench: high torque applications
The CP6681 pneumatic torque wrench is a high-performance model within the CP66 range, designed for demanding industrial bolting applications. It features an innovative design with an ergonomic D-Handle to increase operator comfort and reduce fatigue during repetitive tightening operations.
Key features:
- Torque range: 2,200 – 8,100 Nm (1,600 – 6,000 ft.lb)
- Operating speed: 10 RPM at maximum torque
- Torque accuracy up to ±5%, enhanced with optional ATC system
- Ergonomic D-Handle for improved grip, control, and comfort
- Low vibration level: < 2.5 m/s²
Designed for real industrial bolting applications
The CP66 series pneumatic torque wrench are engineered to perform in demanding environments, including:
- Oil & Gas: Flange bolting, pipeline assembly, shutdown & turnaround operations
- Mining: Heavy equipment maintenance, crushers, conveyor systems
- Steel Construction: Structural bolting, large assembly tightening
CP66 Range Overview
Select the right CP66 model for your application
Model |
Torque |
Handle type |
Use case |
CP6613 |
320–1,300 Nm (236–959 ft‑lb) |
Pistol grip |
Small flanges, pipeline maintenance, general bolting |
CP6626 |
700–2,600 Nm (516–1,918 ft‑lb) |
Pistol grip |
Structural bolting, medium‑to‑heavy assemblies |
CP6641 |
1,000–4,100 Nm (737–3,023 ft‑lb) |
Pistol grip |
High‑load bolting, high‑pressure pipelines |
CP6681 |
2,200–8,100 Nm (1,622–5,974 ft‑lb) |
D‑Handle |
Extreme environments, critical bolting, continuous heavy‑duty use |
Frequently Asked Questions
What is the CP66 Series Pneumatic Torque Wrenches used for?
The CP66 Series is designed for heavy‑duty bolting applications in industries such as Oil & Gas, Mining & Heavy Industry, and Steel Construction & Infrastructure. It is ideal for flanges, pipelines, structural bolting, and other high‑torque tightening tasks.
What are the torque ranges of the CP66 pneumatic torque wrenches?
The CP66 Series covers a wide torque range from 320 Nm to 8,100 Nm, depending on the model. This allows operators to select the right tool for light, medium, or extreme‑duty bolting applications.
What makes the CP6681 torque wrench different from other CP66 models?
The CP6681 pneumatic torque wrench is the most powerful model in the CP66 range, delivering up to 8,100 Nm. It features an innovative D‑Handle design, improved ergonomics, and enhanced control for demanding industrial environments.
Why choose a pneumatic torque wrench over a cordless torque wrench?
Pneumatic torque wrenches offer consistent power, no overheating, and high durability in harsh environments. They are ideal for continuous use, long tightening sequences, and applications where reliability and safety are critical.
What is a pneumatic torque wrench used for in Oil & Gas?
A pneumatic torque wrench is used for high-torque bolting applications such as flange assembly, pipeline installation, and shutdown maintenance. It delivers controlled and repeatable torque, ensuring joint integrity in critical Oil & Gas operations.
What torque range is required for pipeline bolting?
Pipeline bolting typically requires between 500 Nm and 8,000+ Nm, depending on flange size and pressure. The CP66 Series covers 320 Nm to 8,100 Nm, making it suitable for both standard maintenance and high-pressure applications.
Can pneumatic torque wrenches operate continuously?
Yes. Pneumatic torque wrenches are designed for continuous duty cycles. They do not overheat, making them ideal for long tightening sequences and repetitive industrial tasks.
Is a pneumatic torque wrench better than a hydraulic torque wrench?
Pneumatic torque wrenches are ideal for most industrial applications where:
- Mobility and fast setup are required
- Continuous use is critical
- Lower operating cost is expected
Hydraulic tools are typically used for extreme torque applications, while pneumatic tools provide a strong balance between performance and usability.
Which torque wrench is best for mining equipment maintenance?
Mining operations require tools capable of handling heavy loads and harsh environments. Pneumatic torque wrenches like the CP66 Series provide:
- High torque capacity (up to 8,100 Nm)
- Durable construction
- Stable and repeatable torque output
They are commonly used on crushers, conveyors, and heavy machinery.
Which torque wrench for flange bolting in Oil & Gas?
A pneumatic torque wrench with high repeatability and continuous operation is recommended. The CP66 Series ensures consistent bolt load across multiple flanges.
The CP66 Pneumatic Torque Wrenches is a reliable solution for industrial bolting operations requiring high torque, repeatability, and continuous performance in harsh environments.
How to maintain and tighten bolted flanges in Oil & Gas and petrochemical applications?
In the oil and gas industry, leakage issues are far more common than one might expect. Applying the correct flange bolt tightening techniques dramatically reduces leakage risk and improves long-term flange reliability.
7 Reasons to switch from a Hydraulic to an Electric Torque Wrench
Torque wrenches are essential power tools for high torque bolting and assembly applications across oil and gas, renewable, and heavy vehicle industries. When it comes to choosing between electric torque wrenches or hydraulic wrenches, it’s worth understanding their advantages and disadvantages; so you can pick the right one for the heavy duty job to improve productivity and operational efficiency.