●HWB non-switchboard explosion-proof telephone
communication system is used in petroleum, chemical industry, oil depot
(oil ship),natural gas, drill plate, port, army industry, medicament,
coal etc. explosion-proof dangerous atmosphere to communication.
●The system is composing with DYZ-1(2)power transfer,DHZ-1 telephone commutator,
BJH-1 explosion-proof equalizer,HWK-1 non switchboard indoor interphone,HWK-1
non-switchboard indoor telephone commutator,YX-1(2) indoor sound box,HWB-1
explosion-proof telephone station, BYS-1explosion-proof speaker,BJX-1
explosion-proof terminal box, FHX-1(2) protected box and AZVP communication
cable. The Ex degree of all parts of the system is IIC, the highest Ex
degree of national.
●The system is easy to operate and little maintenance. Every station of
the system can call to controlled room and other telephone station and
can select every channel. There are six channel in every station and no
interfere or noisy within the channel. The system can realize multi-user
call and the sound may not spread from the speaker. The call of the system
can realize with the network of speaker. The telephone station has anti-noise
function. In 110dB atmosphere, the telephone can talk well. The system
use public-wire structure and one cable can connect all station. Easy
to mountain and extend and no stop the system can add new station. |