The Vault Ventilating Port has passed
Underwriters Laboratories Inc.(UL) Class M, 1, 2, 3 Burglary-Resistant test, and
each panel bears the UL listed label with it.
The surface of Vault Ventilating Port consists
of galvanized steel with composite material filled inside, and the
compressive strength of material is 30,000psi.
The
Air way of Vault Ventilating Port is an offset design. Its surroundings
connect with Vault Panel entirely. The material of Vault Ventilating
Port has to be identical with Vault Panel. The compressive strength of
material must be reached 30,000psi.
The
Air way of Vault Ventilating Port is an offset design. Its surroundings
connect with Vault Panel entirely. The material of Vault Ventilating
Port has to be identical with Vault Panel. The compressive strength of
material must be reached 30,000psi.