●hvac-explosion-proof heating ventilation air conditioning units are certified by the eu atex, iecex, cu eac and the national cqst explosion-proof certification. it can be used in hazardous area zone 1 and zone 2 locations classified in gb3836.14.
●applicable to oil, chemical, marine engineering and other industries in the normal working environment with the classification according to gb3836.1: iia, iib, iic category, temperature group t1 ~ t4 group of explosive gas mixtures on-line analysis cabin, control room, operating rooms, electrical rooms, etc. require positive pressure, ventilation, and regulate indoor temperature and humidity.
◎ the unit is designed to meet the requirements of the industrial environment and can be continuously operated in the harsh environment of industrial production for a long time.
◎ unit frame adopts hot dip galvanized sheet or stainless steel plate for molding, high strength, good stability, outdoor service life of up to 20 years;
◎ the refrigeration system, control system and ventilation system of the unit are all made up of brand-name products and high-quality materials. the unit has high reliability and stable performance.
◎ the air-conditioning explosion-proof structure design and manufacturing safety and functionality of the perfect combination of components using a variety of forms of explosion-proof structure, the whole explosion-proof structure for the composite composition;
◎ the heat exchanger adopts aluminum thread fins with inner thread copper tube and hydrophilic membrane.
◎ unit shell spray anti-static coating;
◎ various refrigeration and electrical safety protection measures to ensure normal operation of the unit;
◎ adopt siemens plc programmable controller or mcu controller;
◎ large-screen lcd operator displays unit operating parameters;
◎ the unit can be fully automatic unattended operation
options under different operating conditions:
◎ stainless steel (s304 or s316l) shell;
◎ heat exchanger: female copper sleeve copper fins;
◎ heat exchanger plus anti-corrosion coating;
◎ refrigerant: r22, r407c, r134a;
◎special low temperature area models;
◎ marine standards are manufactured according to dnv, abs;
◎chemical filtration device (filter media selected by the user);
◎ provide remote control communication interface;
◎ the unit can provide various alarm interfaces according to the user's requirements;
◎ special conditions the product can provide solutions.
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