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Since our establishment in 2001, Cangzhou Dean Safety&Special Tools Co., Ltd has been a leading manufacturer of high-quality safety and special tools. Our Premium Quality Explosion-Proof Torque Wrench is manufactured to meet the rigorous demands of hazardous environments. Combining high accuracy with non-sparking materials, this tool ensures both safety and precision in critical torque applications. We proudly serve global markets including North America, Europe, Asia, and Africa, with an annual export value exceeding US$100 million. This torque wrench is engineered to deliver reliable performance where ordinary tools cannot be used.
The explosion-proof design eliminates the risk of sparks in flammable atmospheres, making it ideal for oil refineries, chemical plants, coal mines, and offshore platforms. Each wrench undergoes strict quality control to achieve accuracy within ±3%, with optional higher precision available upon request. Our customers trust Dean tools for their consistent torque output and long service life.
Key Features & Technical Specifications
- Non-Sparking Material: Made from aluminum bronze or beryllium copper alloy – approved for Zone 0, 1, and 2 hazardous areas.
- High Precision: Factory calibrated to ±3% accuracy (optional ±2% with calibration certificate).
- Durable Construction: Heat-treated and corrosion-resistant finish extends tool life in harsh environments.
- Ergonomic Handle: Comfort-grip design reduces operator fatigue during repetitive use.
- Audible & Sensory Click: Clear click sound and tactile feedback when preset torque is reached.
- Interchangeable Heads: Available with fixed square drive, open-end, or ratchet head configurations.
- Easy Calibration: User-adjustable with locking mechanism to prevent accidental changes.
- Compliance: Meets international standards for explosion-proof tools (certificates available upon request).
| Torque Range | 10-1000 Nm (customizable up to 2000 Nm) |
| Drive Size | 1/2", 3/4", 1" square drive (other options available) |
| Accuracy | ±3% (standard), ±2% (premium) |
| Material | Aluminum Bronze / Beryllium Copper |
| Weight | 1.2 - 4.5 kg depending on model |
| Operating Temperature | -20°C to +60°C |
Advantages for Your Operations
Switching to our explosion-proof torque wrench reduces the risk of ignition in volatile environments, protecting personnel and assets. The high accuracy ensures proper bolt tensioning, preventing leaks and equipment failure. With over two decades of manufacturing experience, Dean Tools provides consistent quality that meets global safety standards. Our wrenches are backed by a dedicated after-sales team and are available with customized torque ranges and drive sizes.
Trust & Reliability
Cangzhou Dean Safety&Special Tools Co., Ltd has been a trusted name since 2001, exporting to over 20 regions worldwide with annual export value exceeding US$100 million. We ship from Tianjin, Shanghai, and Ningbo ports. Our main markets include North America, South America, Eastern Europe, Southeast Asia, Africa, and the Middle East. Every tool is manufactured in our Hebei facility under strict quality management. We offer customization options, including color, packaging, and calibration certificates. Contact us today to discuss your specific torque requirements and receive a competitive quote.
Frequently Asked Questions
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What makes this wrench explosion-proof?
It is made from non-sparking materials like aluminum bronze, which prevents sparks when striking against steel or other hard surfaces. -
Can I get a calibration certificate?
Yes, calibration certificates are available upon request for an additional fee. -
Is the torque setting adjustable?
Yes, the wrench has an adjustable scale with a locking ring to maintain setting. -
What drive sizes are available?
Standard sizes: 1/2", 3/4", 1". Custom sizes are available for bulk orders. -
How do I maintain the wrench?
Store in a dry case; lubricate the ratchet mechanism annually; avoid dropping. -
Do you provide samples for testing?
We can provide samples upon request, with shipping costs covered by the buyer. -
What is the minimum order quantity?
MOQ is 10 pcs for standard models, negotiable for custom orders. -
Can the wrench be used underwater?
While it is corrosion-resistant, it is not designed for prolonged submersion. Contact us for specialized underwater tools.
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