Door locks US standards and national industry standards
Square tongue static pressure
National business norm: the square tongue static load can be used in the end of its acceptance of 1000N
American Standard: Square Tongue Static Pressure Test>6000N
- Handle torque
National business norms: the handle is accepting 5Nm can still be used abnormally
US specification: outside lock and unlocked handle torque >50Nm
- The US standard is divided into 1-3 levels for the panel, chain, and lock tongues. The charge is 100-700 joules.
- American lock body compression: 1 level > 16000N, 2 level > 11000N, level 3 > 4400N
- Life test
National business norms: 100,000 for level 1 and 50,000 for square tongue
Kenyan specification: 1 million for level 1 and 300,000 for level 2
US norm: 1 million times