Product Description
National V520 Square Corner Spring Hinge fits standard hinge cutout. The tension/closing speed is adjustable. Hinge is UL approved for fire doors. Features a decorative plated finish. Protected with corrosion-resistant WeatherGuard™ finish. When subjected to 312 hours of salt fog spray testing (BHMA A138.18), zinc-plated hardware showed severe corrosion while hardware with WeatherGuard™ protection withstood these harsh conditions with very little deterioration.
Product Specifications
| Certifications | UL Approved For Fire Doors |
|---|---|
| Feature Products | – |
| Finish | Brass |
| Product Material | Steel |
| Spec Package Size | 1 pk. |
| Size | Available in 3-1/2 in. and 4 in. |





Reviews
There are no reviews yet.