Safetech - Viper Gravity Lock


Available For Special Order


Type: Viper Gravity Lock




Designed to be a reliable, durable, trustworthy, and cutting edge hardware solution for high traffic areas. The heavy duty hinges by Safetech are preferred by installers because they are easy to install, and are the most dependable hardware solution in the market today. The cost to value ratio is better than any other similar product. The heavy gate hinges are built to withstand all kinds of damage and can truly pass the test of time.

The heavy duty hinges are made of polymer material and are reinforced by glass fiber. The heavy gate hinges are treated by UV rays and therefore have increased strength as compared to metal hinges. These heavy duty hinges do not rust, they do not corrode, they require no lubrication, and they can survive all kinds of weather without any need for maintenance.


When it comes to self closing heavy gate hinges, compliance with child safety laws is of extreme importance. Safetech gate hinges are heavy duty but are safe to be installed and used in children’s playgrounds, schools, swimming pools etc. Their heavy duty hinges comply with all national and international child safety standards. When children are in the vicinity, you can count on them to swing on the gates and to put additional pressure on the gate. While other types of hinges may give in to additional load, our heavy gate hinges can bear the load without sustaining any damage.

Maximum SizeMost Product Have No Limit (See Project's Guide) For Individual Details & Specs
Maximum Design PressureSee Project Data Sheet(s) / Product Approval(s)
ProfileMaterial Type – T6-6063 Aluminum power coated Interlocking slats / blades Insulation – Knotwood™ Dealer Maximum Shutters, USA Country of Origin – USA Gauge – (See Product Approvals For Details)
BenefitsFBC Hurricane Approved 85% noise reduction 12% cooler in summer 15% warmer in winter 98% light block out 35% energy efficient Eliminates condensation Reduces glare Rust prevention medium 65% components aluminium
ApplicationsFences, Railing, Enclosures, Battens, Decking, Doors, Doorways, Windows, Bars, Roof Windows, Canteens, Pergolas, Verandas, Cabanas, Bay Windows, Garden Windows, Curved Windows, Atrium's, Patios Closets, Cupboards, Partitioning Areas, Fascia Screens, Dividers, Walls and much more...
SuitabilityAll interior and exterior environments globally. Whether inside or outside, Knotwood™ products work any. With a 15 year warranty from Knotwood™ directly. Hi grade, hi end simulated aluminum wood, for thousands of applications worldwide. Maintenance Free!
WarrantyResidential applications 15 years on parts and materials. Commercial applications 5 years on parts and materials.

Depends on product type and what projects are in production at the time. Most systems usually require 4-6 weeks lead time once order is confirmed.

Approximate Lead Times  (May vary by material availability)

Accordions:  4 - 6 Weeks

Bahamas & Colonials:  (White)  4 - 6 Weeks / (Custom Color)  5 - 7 Weeks

Rolling Shutters:  5 - 7 Weeks

Rolling Screens:  5 - 7 Weeks  

Clear Storm Panels:  10 - 14 Days

Storm Panels:  7 - 10 Days

Hurricane Fabric:  4 - 5 Weeks

Impact Windows & Doors:  5 - 6 Weeks

Knotwood Products:  7 - 14 Days

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