Description
Product Overview
The ShangHai Lijun constant force spring is engineered for applications that require a steady, unvarying load. Made from high‑grade spring steel, the coil delivers consistent tension throughout its travel range. Measuring 5 x 3 x 2.7 inches and weighing just 10.4 ounces, it fits easily into tight spaces while providing the power needed for counterbalance, door closing, cable retraction, and hose management systems. The spring is manufactured by ShangHai Lijun Spring Co., Ltd., a reputable supplier known for precision metal components.
![[Product front view showing all components]](https://www.hotlistco.store/wp-content/uploads/2026/06/0f3139a3691648f1a493d880613de083.jpg)
Usage
Designed for industrial and scientific environments, this spring excels in equipment that demands reliable force, such as mechanical counterbalance mechanisms, automatic door closers, cable retractors for tools, and hose reels. It is also suitable for laboratory apparatus where a constant load is essential for accurate measurements. Installers and maintenance technicians will appreciate its straightforward integration into existing systems without the need for complex adjustments.
Why Choose Us
ShangHai Lijun combines decades of spring manufacturing expertise with rigorous quality control, ensuring each coil meets exact specifications. Our constant force spring undergoes heat treatment and surface coating to resist corrosion and fatigue, delivering a longer service life than generic alternatives. We stand behind our product with responsive technical support and a clear return policy, giving you confidence in every purchase.
Key Features
- Provides a uniform pulling force for smooth operation of counterbalance systems
- Compact 5x3x2.7in size fits into confined mechanical assemblies
- High‑grade spring steel construction resists wear and corrosion
- Versatile use in door closers, cable retractors, hose reels, and lab equipment
- Dedicated customer support and hassle‑free warranty for peace of mind
FAQ
What is the maximum load this spring can handle?
The spring is designed for moderate constant loads typical of counterbalance and retractable applications; exact load ratings are provided in the technical data sheet.
Can the spring be used outdoors?
Yes, the spring’s corrosion‑resistant coating makes it suitable for outdoor or humid environments when properly sealed.
Is installation required by a professional?
While the spring can be installed by experienced DIY users, we recommend professional installation for critical safety applications.
What is the warranty period?
We offer a one‑year limited warranty covering manufacturing defects.
How do I contact support for technical questions?
Our support team is reachable via email or phone; contact details are included in the packaging and on our website.
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