国产成人亚洲日韩欧美不卡_97精品人妻系列无码人岛国色_亚洲成人手机在线电影_91亚洲精品午夜福利在线含羞草

1.1 Area and 2 of the explosive gas environment dangerous places

2.IIA, ⅡB, Ⅱc T1 ～ T4/T5/T6 set of explosive gas environments;

Zone 3.20 area, area 21, and district 22 are combustible dust gas environment places;

4.The altitude does not exceed 2000m;

At 5.25 ° C, the relative humidity is below 95 %;

6.The working environment temperature-20 ℃ ～+40 ℃;

7.It is applied to petroleum, chemical, medicine, sky gas, aerospace explosive gas environment and marine petroleum platforms, tankers and other places.

■Cast aluminum alloy shellSurface spray plastic, Beautiful appearance；

■Interior conversion switch, used for currentIn the electrical line below 60A, the power supply is introduced as the power supply, and the motor can be controlled;

■Both steel pipes or cable wiring can be available;