Industrial Door Torsion Spring
Product Features
High-Strength Material: Made from premium spring steel for fatigue resistance and durability.
Precision Engineering: Manufactured with strict control of diameter, wire gauge, and torque.
Long Lifecycle: Designed for 30,000 to 100,000 cycles depending on configuration.
Customizable Dimensions: Tailored to match specific door weight and size.
Anti-Corrosion Finish: Available with black oxide, galvanizing, or powder coating.
Easy Maintenance: Easy to replace or adjust; suitable for various installation conditions.
Product Application
Sectional Overhead Doors – Provides smooth operation and weight balance for large industrial doors.
Commercial Garage Doors – Enhances motor efficiency and reduces wear on the door system.
Cold Storage & Logistics Doors – Enables reliable opening/closing in demanding environments.
Special-Purpose Heavy Doors – Ideal for fire-rated, explosion-proof, or oversized doors.
Technical Specifications
|
Item |
Specification Range |
| Material | Spring Steel (65Mn / 60Si2Mn / SUP9, etc.) |
| Wire Diameter | 6mm ~ 14mm |
| Inner / Outer Diameter | Customizable based on door design |
| Torque Range | 100Nm ~ 1200Nm |
| Spring Length | 300mm ~ 1500mm (customizable) |
| Surface Finish | Black Oxide / Galvanized / Powder Coated / Phosphated |
| Lifecycle | 30,000 ~ 100,000 cycles |
| Balanced Door Weight | 50kg ~ 1500kg |
| Operating Temperature | -30°C ~ +70°C |
| Shaft Diameter | 25mm / 30mm / 35mm / 40mm (optional) |
| Mounting Type | Center / Off-Center |
| Applicable Door Types | Sectional Doors / Garage Doors / Stacking Doors |
| End Connection Type | Welded Brackets / Lock Nuts / Pin-Type End |
The Industrial Door Torsion Spring is a key part that helps the door open and close smoothly. It is a great choice for businesses needing a strong, reliable, and long-lasting spring solution.
FAQ
Q: How long is the product delivery time?
A: For a normal purchase order, production time will be 3-5 weeks and shipping time will take 4-5 weeks from the date of approved shop drawings to our local seaport or warehouse in China.
Q: Can I get a sample there and how long will it take?
A: We provide the sample, you need to pay the shipping cost. You will get it within 3-7 days after you receive the payment.
Q: How does the factory conduct quality control?
A: We take quality control very seriously and each process of our production has its own quality control. After the production is finished, we will send you pictures or videos to confirm.
Q: What is the standard of material quality?
A: Our doors can pass ce, sgs, iso9001.
Q: Can be customized according to customer requirements?
A: Yes, just send us the size you need.
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