Positive pressure control box Application

Product Introduction

Product Detail：

Positive pressure control box Application

1、explosive mixture of gases dangerous places: 1 Zone 2 zone
2、explosive gas mixture: Ⅱ A, Ⅱ B, Ⅱ C grade
3、temperature class: T1-T6

Positive pressure control box Features

1、main and sub cabinet combinations of left and right, up and down are two main counter pressure sealed chamber, front and rear door, front set up observation window, deputy cabinet chief placed pressure pneumatic control system.
2、with pre-boot automatic ventilation, ventilation time, auto-qi, automatic control pressure range of motor function.
3、operation is simple and convenient, the end of the ventilation into the "positive operation" state.
4、with positive pressure protection (upper and lower), sound and light alarm, automatic power limit threshold pressure, door off to emergency manual power outages and other safety interlock protection.
5、the introduction of cable clamping ring type device.
6、the product can be installed inside a variety of instruments, inverter, PLC, soft starters, computer control system, enabling local and remote control.

Positive pressure control box Parameters

1、 control power supply:220V 380V AC
2、 run the positive pressure value：150Pa—900Pa
>900Pa automatic exhaust
<150Paautomatically fill gas
3、the critical value of positive pressure
>1500Pa manual exhaust
<80Paautomatically cut off power supply
4、gas source: not less than 0.4 Mpa clean air or gas protection
5、explosion-proof marks: ExPdib Ⅱ BT6
6、shell protection grade: IP54