Safety Helmets | uvex
Safety Helmets | uvex
Industrial safety helmets from uvex comply with standard DIN EN 397, which states that they must be designed to protect the wearer from falling objects. Protection against mechanical impacts to the head safeguards the user against possible consequences such as brain injuries or skull fractures. The standard also includes protection against lateral deformation of the helmet, as well as protecting the wearer from dangerous head injuries.
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Industrial safety helmets that comply with standard DIN EN 397 generally meet the following basic safety requirements:
- shock absorption
for protection from falling objects or suspended loads - penetration resistance
to protect the head from splashes and, if necessary, from dirt - flame resistance
- ensuring a suitable fit
partly via an adjustable interior and partly &#; depending on the area of use &#; via the use of a chin strap.
Understanding your helmet's European certification
EN :
Climbing and mountaineering helmet
EN 397:
Helmet for industrial use
Intended for different environments, these two standards each have their own design and performance requirements.
To meet a standard, the helmet must meet all its design and performance requirements.
Certain design requirements differ between the two standards, which precludes dual certification, and/or implies partial compliance with the two standards.
Here are the main design requirement differences between the two standards:
1. Difference in design requirements
VENTILATION
EN :
Total ventilation area
greater than 4 cm2
EN 397:
Total ventilation area
less than 4.5 cm2
WHAT ABOUT MY HELMET?
- EN : compliance: STRATO VENT / VERTEX VENT
- EN 397: compliance: STRATO / VERTEX / VERTEX VENT with shutters closed
CHINSTRAP STRENGTH
EN :
Chinstrap strength:
Greater than 50 kg to reduce the risk of the helmet coming off in a fall.
EN 397:
Chinstrap strength less than 25 kg to reduce the risk of strangulation if the helmet becomes snagged.
Depending on regulations, the EN 397 standard covers work on the ground, while the EN standard covers work at height.WHAT ABOUT MY HELMET?
- With the DUAL chinstrap on the STRATO and VERTEX (as of ) lines, you can adapt the chinstrap strength to the hazards anticipated in your work environment (see DUAL chinstrap technical tip).
INTERNAL VERTICAL CLEARANCE
EN :
EN 397:
The EN 397 standard requires that internal vertical clearance be no less than 25 mm.
WHAT ABOUT MY HELMET?
- Due to the requirement, helmets with a liner, such as STRATO helmets, cannot meet the standard.
2. Difference in performance requirements
SHOCK ABSORPTION REQUIREMENT
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This requirement aims to qualify the helmet&#;s ability to protect the head against falling objects.
EN :
Impact force
F &#; 10 kN
EN 397:
Impact force
F &#; 5 kN
PENETRATION REQUIREMENT
EN :
Penetration
No contact between the point and the head
EN 397:
Penetration
No contact between the point and the head
WHAT ABOUT MY HELMET?
- All of the helmets in the Petzl VERTEX and STRATO line comply with the tests in the two standards that involve impact-absorption capacity and penetration.
FLAME RESISTANCE
EN :
EN 397:
10 second exposure at 5 cm
Requirement: stops burning 5 seconds after the flame is removed
WHAT ABOUT MY HELMET?
- STRATO and VERTEX helmets, as well as VERTEX VENT helmets with shutters closed, all comply with the test.
PROTECTION AGAINST MOLTEN METAL SPLASH
EN :
EN 397:
No penetration of molten metal
Burns no longer than 5 seconds
WHAT ABOUT MY HELMET?
- STRATO and VERTEX helmets, as well as VERTEX VENT helmets with shutters closed, all comply with the test.
Compliance with the EN electrical standard:
EN :
Electrically insulated helmet for use at low-voltage installations.
For a helmet to meet EN , it must first meet all requirements of EN 397.
WHAT ABOUT MY HELMET?
If you are looking for more details, kindly visit En397 Safety Helmet.
- Only the VERTEX helmet can meet the EN standard. The STRATO helmet does not meet EN as it does not meet all requirements of EN 397 (e.g. the internal vertical clearance requirement).
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