Product Specifications
Model: BFM-140DR
Brand: YingTeng
Rated Voltage: 380/220V
Rated Frequency: 50Hz
Input Power: 207W
Heating Power: 10 kW
Wind Speed: 10 m/s
Airflow: 1400 m³/h
Noise: 58 dB
Weight: 19 kg
Machine Dimensions: 150×18×25 cm
Ex db IIB T4 Gb
Manufacturer: Henan Tongteng Explosion Proof Electrical Equipment Co., Ltd.
The YingTeng explosion-proof air curtain series products comply with the following standards:
GB/T 3836.1-2021 "Explosive Atmospheres *1 Part: Equipment - General Requirements"
GB/T 3836.2-2021 "Explosive Atmospheres *Part 2: Equipment protected by intrinsic safety 'd'"
GB/T 3836.4 - 2021 "Explosive Atmospheres *Part 4: Equipment protected by intrinsic safety 'i'"
GB/T 3836.9-2021 "Explosive Atmospheres - Part 9: Equipment protected by "m" type enclosures"
GB/T 3836.15-2017 "Explosive Atmospheres *Part 15: Design, Selection, and Installation of Electrical Equipment"
The Yinteng Explosion-proof Air curtain operates normally under the following environmental conditions:
a) Altitude not exceeding 2,000m
b) Suitable for environments with temperatures ranging from -7℃ to 43℃, free of corrosive gases.
c) There are explosive hazard areas formed by mixtures of flammable gases, vapors, and air in groups II A, II B, and T1 to T4.
The "Yingteng" explosion-proof air curtain series models have been processed with special explosion-proof technology and are suitable for use in flammable and explosive areas of Zones 1 and 2. They are widely applicable in scientific research, oil, chemical, pharmaceutical, and power plant environments where IIA, IIB level T1 to T4 groups of combustible gases, steam, and air mixtures may form explosive hazards. Explosion-proof air curtains are suitable for areas with temperature requirements. These air curtains have been inspected and certified by the National Quality Supervision and Inspection Center for Explosion-Proof Electrical Product Quality, and are issued with explosion-proof certificates and CCC certificates. They feature an aesthetically pleasing design, reasonable structure, ease of installation and maintenance, microcomputer intelligent control, digital display, low noise, stable performance, simple operation, and safety. They are highly favored in the market. (Customizable options include electrically heated explosion-proof air curtains, vertical explosion-proof air curtains, through-flow explosion-proof air curtains, centrifugal explosion-proof air curtains, etc.)
Explosion-proof air curtain machines are specifically designed for environments requiring special explosion-proof processing techniques and are widely used in scientific research, petrochemical, pharmaceutical, processing manufacturing, and biological industries. These machines are suitable for hazardous areas where IIa, Iib, T1~T4 groups of combustible gases, vapors, and air mixtures may cause explosions, particularly in facilities with temperature control requirements.
Industrial explosion-proof air curtains are suitable for installation in high-rise areas such as factories and warehouses. They effectively block out external temperature differences, dust, fumes, insects, and other harmful substances to maintain indoor environmental temperature and cleanliness.
This industrial explosion-proof air curtain unit features a centrifugal forward-curved blade impeller structure, paired with an efficient spiral casing design, ensuring excellent performance of the fan. This type of impeller is highly efficient, low-noise, with low airflow and high pressure, surpassing any other air curtain unit. It can form an ideal air curtain.
This industrial centrifugal blower features a full metal construction, high fire resistance, a compact overall structure, easy installation, simple cleaning, and maintenance.
Compact and ultra-thin body design, full metal shell, direct honeycomb-style air intake, and one-piece molded air outlet panel for easy disassembly and clarity.





























