
Supplier
Heald Ltd
Viper
Shallow-mount high-security road blocker that stops a 7.5T truck at 50mph from a 380mm foundation.
Pricing
Request a quote for current pricing, lead time and delivery to your airport.The Viper is a shallow-mount high-security road blocker with an ingenious folding-skirt design that needs only a 380mm foundation. It is crash-tested to PAS 68 and ASTM standards, halting a 7.5-tonne truck at 50mph (80kph) with zero penetration and continuing to operate after impact. Available in hydraulic, electromechanical or manual drive variants.
Specs at a glance
Technical specifications.
| Crash rating | PAS 68:2010 V/7500[N3]/80/90: 0/24.6 and ASTM 2656-07 M50:P1 |
| Stops 7.5-tonne vehicle at 50mph (80kph), zero penetration | |
| Raised height 1050mm | |
| Foundation depth 380mm min / 460mm max | |
| Wedge width options 1.8m, 2.5m, 3.0m, 3.5m, 4.0m | |
| Operating speed 6 sec standard, 1.5 sec EFO, 75 sec manual | |
| Power supply (EM) | three phase 20A; 200,000-cycle tested, 99.5% uptime on major sites |
| Steel construction with hot dip galvanised steel base | |
Best for
Use cases.
- ›Airport and transport hub vehicle-access control
- ›Critical national infrastructure entry points
- ›Military, defence and government sites
- ›Remote locations (manual variant, no power required)
Cross-shop the category
Replacements & compatible alternatives.
Comparable products from other suppliers. Cross-shop on specs — confirm exact fit and compatibility with the supplier before specifying.



