Tension clamps are mechanical fastening devices that secure components across industrial and commercial applications. Available in spring tension, constant tension, and fast tension variants, they maintain reliable holding force without continuous adjustment. Constructed from steel, aluminum alloy, or stainless steel, these clamps serve applications from welding setups to hose connections and overhead cable support.
These clamps maintain consistent clamping force through thermal cycling and pressure fluctuations, preventing leaks and ensuring secure seals. Dual spring action in some models enables automatic tension adjustment for long-lasting performance and burst resistance. Many designs feature tool-free mechanisms for quick installation and release, enhancing efficiency in professional environments. Corrosion-resistant materials like galvanized steel or nitrided finishes provide durability against moisture and harsh conditions.
Applications span automotive systems including radiator hoses and turbocharger connections, where they compensate for heat-induced expansion. Industrial uses include hydraulic systems, pump assemblies, and welding fixtures for precise part holding. They secure Heating, Ventilation, and Air Conditioning (HVAC) ducting, bathroom fans, dryer vents, and overhead power conductors to poles or towers.
Technical specifications include grip widths from 0.5 to over 4 inches and clamping forces up to 5 kilonewtons (kN). Materials range from 304 stainless steel for corrosion resistance to lightweight aluminum alloys. Installation typically requires positioning the clamp and activating its mechanism, with some models applied by hand while others need torque specifications of 5.6 Newton-meters (Nm) or 45 inch-pounds.
Leading Tension Clamp Wholesaler RaxPower with 21 Years Expertise
We are a professional tension clamp manufacturer in China with 21 years of industry expertise, dedicated to providing high-quality and cost-effective fastening solutions to global customers. Founded in 2003, RaxPower has accumulated over two decades of historical experience, with a steadfast devotion to quality, precision, and reliability that positions us as specialists in precision fastening.
Our Tension Clamps for overhead power distribution systems embody this legacy, featuring:
- Robust construction from high-strength materials like aluminum alloy and steel
- Secure gripping mechanisms to prevent conductor slippage
- Adjustability for precise tensioning
The clamps are designed for ease of installation, compatibility with various support structures, and corrosion resistance to withstand harsh environmental conditions.
This expertise ensures that every Tension Clamp delivers reliable performance, backed by advanced manufacturing processes such as hot forging for greater strength and accurate sizing, along with rigorous quality control including load testing and galvanization.
Contact us now to get free samples or the best quotation.
| Type | Model | Part Number | Grip Width Range (in) | Max Clamping Force (kN) | Material | Weight (kg) | Dimensions (L x W x H mm) | Torque Specification (Nm) |
|---|---|---|---|---|---|---|---|---|
| Spring Tension | Economy Spring Clamp | RXP-SC-50 | 0.5 | 0.31 | Zinc Alloy, Steel | – | – | – |
| Constant Tension | Standard Constant Clamp | RXP-CT-10 | 0.55–1.06 | – | 304 Stainless Steel | – | – | 5.1 |
| Fast Tension | Professional Fast Clamp | RXP-FT-615 | – | 5.0 | Nitrided Steel | 2.0 | 275 x 310 | – |
| Constant Tension | Large Constant Clamp | RXP-CT-100 | 3.75–4.63 | – | – | – | – | 5.6 |
| Wedge Tension | Wedge Cable Clamp | RXP-WC-01 | 0.16–0.28 | 1.0 | Aluminum Alloy | – | – | – |
| Tension Clamp | Small Tension Clamp | RXP-TC-40 | – | – | Aluminum | – | 36.2 x 7.6 x 68.1 | – |
Frequently Asked Questions (FAQS)
What applications are the tension clamps suitable for?
RaxPower tension clamps are versatile and suitable for a wide range of applications including welding and fabrication, HVAC systems, automotive hoses (e.g., radiator, turbocharger), cable suspension, industrial machinery, and plumbing.
How do I install the tension clamp?
Installation is simple and typically requires no tools. Fix the clamp to the pole bracket using the clamp ring, place the clamp body on the cable with the wedge in its rear position, and push the wedges by hand until they secure the cable. Some models may require standard tools like a flat-head screwdriver or socket for torque settings up to 50 in.lbs for precise tensioning.
Does the clamp maintain constant tension under temperature changes?
Yes, RaxPower constant tension clamps automatically adjust to thermal cycling and pressure fluctuations, maintaining consistent force to prevent leaks and ensure reliability in varying conditions.
What ensures corrosion resistance in outdoor environments?
Our tension clamps are coated or treated with corrosion-resistant materials to withstand moisture, UV radiation, and temperature fluctuations, ensuring long-term performance and reliability.
What materials are used in the construction?
RaxPower tension clamps are constructed from high-quality materials including steel, stainless steel (such as 304 or 410 grades), aluminum alloy, and Zamak, offering robustness, durability, and corrosion resistance.
What is the grip range of the tension clamp?
RaxPower tension clamps are available in various grip ranges, from 0 to 1/2 inches for economy models, up to 4-inch sizes for dryer venting, and larger applications like 95-117.5mm for silicone hoses.
What is the maximum clamping force?
RaxPower tension clamps provide clamping forces ranging from 70 pounds for spring tension models to 5 kilonewtons for professional fast tension clamps, ensuring secure holding for diverse tasks.
What is the working load capacity for safety assurance?
Our tension clamps have a working load up to 1kN and a breaking load of 1.2kN, ensuring secure tensioning and support for electrical conductors in diverse applications.
Can your tension clamps be used with various types of utility poles and support structures?
Yes, our tension clamps are compatible with wooden poles, concrete poles, and steel towers, providing flexibility in design and installation for various overhead line configurations.
What is the warranty on the tension clamp?
RaxPower offers a 1-year limited warranty on tension clamps, covering defects in material and workmanship to ensure product reliability and customer satisfaction.
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