Difference Between K4, K8 & K12 Certifications
HVM products are classified under crash rating certifications that determine their resistance against vehicle impact. Among these, K4, K8, and K12 are the most commonly referred categories. But what do they really mean?
These ratings were introduced by the U.S. Department of State and later adopted in ASTM standards. They specify the impact resistance of barriers.
2. Vehicle Speed & Impact Energy- K4 (M30):Stops a 15,000 lb vehicle at 30 mph
- K8 (M40):Stops a 15,000 lb vehicle at 40 mph
- K12 (M50):Stops a 15,000 lb vehicle at 50 mph
Effective barriers not only stop the vehicle but minimize penetration. Certified barriers typically allow less than 1 meter of penetration upon impact.
4. Application Suitability- K4: Low-risk zones like small corporate offices, parking areas
- K8: Medium-risk zones such as commercial complexes, IT parks
- K12: High-security zones such as embassies, airports, defense installations
Higher ratings usually come with higher costs. Choose the rating based on your risk profile, not just budget.
ConclusionSelecting the right crash rating is crucial. Overestimating increases cost, while underestimating risks lives. Work with manufacturers who provide proper documentation and compliance testing.
Contact Secure India today to learn more about our crash rated bollards, barriers, road blockers and gates, find the perfect security solution for your facility.
