Heavy-Duty Roller Shutter Spring Box

Professional-Grade Counterbalance Housing for Smooth & Safe Shutter Operation

Standard Model: 200/220mm Galvanized Iron | Nylon Bead Bearing | 42/50/60mm Bore | Multiple Sizes Available

Core Component for Reliable Door Performance

The Roller Shutter Spring Box is the sealed housing unit that contains and protects the vital torsion spring system. This core component counterbalances the heavy curtain weight, enabling smooth manual or motorized operation.

We construct it from durable galvanized iron so it can reliably store and release mechanical energy with each door cycle. This controlled action ensures effortless lifting, reduces strain on motors, and fundamentally supports the long-term safety and durability of commercial rolling shutters.

Key Features & Product Specifications

Robust Construction: We use galvanized iron to provide superior corrosion resistance and ensure a long service life.

Precision Engineering: Our design ensures quiet, smooth rolling action and reliable performance under repeated use.

Customizable to your requirements: the spring box offers a selection of iron beads nylon beads or bearings for its pivot assembly ensuring compatibility with a wide range of roller shutters.

Comprehensive Sizing: You can choose from outer diameters of 200mm, 220mm, and 240mm with inner bores of 42mm, 60mm, or 76mm to fit various shutter designs.

FAQ

Q1: What sizes are available?
We offer standard outer diameters of 200mm, 220mm, and 240mm, with inner bores of 42mm, 60mm, and 76mm. Our team can also discuss custom sizes upon inquiry.

Q2: How is corrosion resistance ensured?
Our products are manufactured from galvanized iron, which contributes to reliable performance in outdoor environments.

Q3: Are samples available?
Yes, we can provide samples for your evaluation. Please contact us to arrange the details.

Q4: What are the payment and delivery terms?
Our standard delivery takes 15-30 days after order confirmation. We confirm the final payment terms and delivery schedule based on your order specifics.

Q5: Can you assist with product selection?
Absolutely. Our support team can provide tailored recommendations if you share your product specifications or project requirements.

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