BKF Series Explosion Proof...

Explosion Protection Type

Standards: CENELEC, IEC

Hazardous Area Zones: Zone 1 and Zone 2

Explosion Protection Ratings:

• Outdoor Unit:
  • BYS Compressor: II 3 G Ex nC II 146°C(T3)
  • BZC Control station: II 3 G Ex d IIB
  • BDJ-W Fan motor: II 3 G Ex d IIB
  • Whole unit: Ex nC d [ib] ib IIB 146°C
• Indoor Unit:
  • BDJ-N Fan motor: II 2 G Ex d IIB T4
  • BXK Control station: II 2 G Ex d [ib] ib IIB T4
  • Whole unit: Ex d [ib] ib IIB T4

Product Parameters

Product Type: BKF

Model: BKF-50/220

• Cooling capacity: 5275W (18000* BTU)
• Rated voltage / Frequency: 220-240V/50Hz
• Input power: 2P
• Cooling input power / Current: 2300W / 10.5A
• Application areas: 24-36 $m^2$
• Sound level: Indoor 43* dB / Outdoor 54* dB
• Outline dimensions (L x W x H):
  • Indoor unit: 960 x 385 x 245* mm
  • Outdoor unit: 910 x 690 x 390* mm
  • Control box: 420 x 350 x 178 mm
• Weight: Indoor 21.00* kg / Outdoor 62.00* kg / Control box 21 kg

Model: BKF-71/220

• Cooling capacity: 7066W (24000* BTU)
• Rated voltage / Frequency: 220-240V/50Hz
• Input power: 3P
• Cooling input power / Current: 3100W / 14.9A
• Application areas: 29-48 $m^2$
• Sound level: Indoor 44* dB / Outdoor 55* dB
• Outline dimensions (L x W x H):
  • Indoor unit: 1100 x 358 x 294* mm
  • Outdoor unit: 910 x 690 x 390* mm
  • Control box: 420 x 350 x 178 mm
• Weight: Indoor 25.00* kg / Outdoor 65.00* kg / Control box 21 kg

Classification & Origin

HS Codes: 841510, 841510, 841510, 841583, 84148090

Country of Origin: China

Industry & Application

Core Function: The explosion-proof split wall-mounted air conditioner integrates the functionality of standard residential units with high-level industrial explosion-proof designs to ensure safe and reliable climate control in hazardous environments.

Applicable Industries: Petroleum, natural gas, chemical processing, offshore oil platforms, cruise ships, and military installations.

Certifications: Engineered to global safety benchmarks with certifications including ATEX, IECEx, and EAC.

FAQ (Frequently Asked Questions)

Q1: Are explosion-proof air conditioners less energy efficient and more power-consuming than standard units?

A1: Not necessarily. Modern designs incorporate high-efficiency compressors. Although the explosion-proof housing adds weight and cost, its direct impact on energy consumption has been minimized through advanced engineering.

Q2: Why use the split explosion-proof air conditioners design? Are all-in-one units available?

A2: The split design is chosen for safety, isolating the high-risk compressor outdoors. All-in-one units exist but are more complex and costly, typically used only where outdoor installation is impossible.

Q3: How to choose for areas with both gas and dust?

A3: Select a model certified for both gas and dust zones (e.g., Zone 1 & 21). The enclosure must prevent dust buildup while meeting gas explosion protection standards, often indicated by a compound Ex marking.

Q4: Can we use a regular AC if the gas hazard is minimal or occasional?

A4: Absolutely not! This is a dangerous misunderstanding. Explosion-proof standards are based on worst-case scenarios; any presence of hazard mandates the use of properly certified equipment.