♦Application scope of explosion proof dust positive pressure cabinet
1. According to the frequency and duration of explosive gas environment, it is applicable to zone 1 and zone 2.
2. According to the maximum test safety gap or minimum ignition current ratio of explosive gas mixture applicable to electrical equipment, it is applicable to IIA, IIb and IIC, and t1-t5 according to the maximum surface temperature
3. According to the hazardous area with explosive dust, it is suitable for zone 20, zone 21 and zone 22.
4. It is suitable for the environment containing inflammable and explosive gases such as oil extraction and refining, storage, chemical, pharmaceutical, military industrial facilities, etc.
Picture of explosion proof dust positive pressure cabinet
♦Product features of explosion proof dust positive pressure cabinet
1. There are two types of combination of main and auxiliary cabinets: upper and lower, left and right. The main cabinet is a positive pressure sealing chamber, with front and rear door opening, and observation window on the front. The auxiliary cabinet is mainly equipped with positive pressure air circuit control system.
2. It has the operation functions of automatic air change, air change delay, automatic air replenishment and automatic control of positive pressure range before startup.
3. The operation is simple and convenient, and it enters into positive pressure operation state after air exchange.
Upper and lower limit of positive pressure and light power-off.Emergency manual power-off and other safety interlock protection functions.
5. Cable compression type lead-in device.
6. Various instruments, frequency converter, PLC, soft starter, touch screen and computer control system can be installed inside the product, which can realize local and remote control.
♦Technical parameters of explosion proof dust positive pressure cabinet