Springs & Rollers

Technical specifications

Material High Carbon Steel
Type Torsion
Diameter 2" / 2.5"
Cycle Rating 20,000+ cycles
Tensile Strength 1,100 MPa
Shaft Heavy-wall ERW
System compatibility
Standard Roller AssembliesIndustrial Brackets
Mill test certificates available on request for trade accounts.

Use case & application

The core mechanical lifting assembly for manual shutters. Torsion springs are calibrated to counterbalance the weight of the curtain so a shutter can be lifted easily by a single person. Rated for 20,000+ cycles.

Trade enquiry

We supply to fabricators and dealers. Pricing is volume-based. To get a quote, send us the product, quantity and delivery location via WhatsApp or the quote form.

Download spec sheet (PDF) →

Frequently bought together

IMG
Shutter Patti
Interlocking laths
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IMG
Locking Systems
Center & side locks
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IMG
Guide Channels
Precision U-profiles
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