1,Applcation

Explosion-proof axial flow roof fan is installed on the roof for ventilation, used in petroleum, chemical, electric power, military, medicine and other industries, dangerous areas for Zone 1, Zone 2, there is or may exist Ⅱ A, Ⅱ B, Ⅱ C categories, T1 ~ T4 group of combustible gas, steam and air mixture of the danger of explosion place.

Explosion-proof axial flow roof fan for the company double explosion-proof gas dust products can also be applied to dust explosion-proof environment.

1.This series of fans with large air volume, low noise characteristics, suitable for low pressure, high flow applications.

2, explosion-proof certification number: CNEx14.0679

3, Explosion-proof mark: Ex d Ⅱ C T4 Gb / DIP A21 TA, T4

4, protection level: IP56

Features

BDWT explosion-proof axial flow roof fan adopts molded axial-flow impeller, direct drive fan-specific motor, FRP corrosion hood, metal or FRP air duct and base, with corrosion-resistant, light weight and high strength, smooth operation, easy maintenance and so on.

Depending on the use of the environment and transmission medium, the impeller can be made of aluminum, steel, engineering plastics, fiberglass and other materials made of ordinary explosion-proof or anti-corrosion explosion-proof and other multiple types. Hair dryer can be made according to the user's different environments using steel, glass steel or stainless steel, the applicability of better.

Optional accessories: If necessary, can be equipped with gravity check valve (or electric valve), anti-bird (insect) network, control boxes and other accessories.

Explosion-proof axial flow fan for roof ventilator produced by Nanyang Yitong is Ex d ⅡC T4 Gb / DIP A21 TA, T4, which is a dual explosion-proof type of gas and dust. It can be used not only in explosive gas environment but also in flammable dust environment .

Implementation standards

1. GB3836.1-2010 "explosive atmospheres Part 1: General requirements for equipment"

2. GB3836.2-2010 "Explosive environment Part 2: flameproof enclosure" d "protection of equipment"

3. GB12476.1-2000 "Electrical apparatus for combustible dust environment - Part 1: Electrical equipment with enclosure and surface temperature protection - Section 1: Technical requirements for electrical equipment"

4. Q / YT 064-2014 a pass standard