Product Specifications
Product Features
Product Usage
Service Guarantee

Product specifications

Product Parameters

model MM ---- 300 221 420 420 420 360 360 360 400 400 550 300 300 221
FanInternet traffic is different/h pressure PA Powerkw voltage outlet mm intakeexternal dimensions mm
1240-12002000-4000450-4300.75-4 380190 x300 φ290 530 x500x600
DDFJ2.8S2 2500-5000 380 470-500 1.1-4 190xφ290 530 x500x600
DDFJ3.0S1 4000-6500 720-680 380 1.5-4 190xφ290 560 x560x660
DDFJ3.5S1 5000-8500 950-870 380 2.2-4 240 x364 φ320 640 x600x700
DDFJ3.5S5 4500-7500 580-530 380 1.5-6 240 x364 φ320 640 x600x700
DDFJ4.0S1 6500-9000 580-540 380 2.2-6 250xφ 390 670 x610x700
DDFJ4.0S2 8000-12000 820-780 380 3.0-4 250xφ390 670 x610x700
DDFJ4.0S3 9000-13500 900-870 380 4.0-4 250xφ390 670 x610x700
DDFJ4.5S1 12000-17000 950-920 380 5.5-4 280xφ450 780 x830x950
DDFJ4.5S2 14000-20000 1050- 7.5-4 380 280 x360 φ450 820 x830x950
DDFJ4.5M1 8000-15000 750-700 380 3.0-6 335xφ450 830 x830x950
DDFJ4.5M2 13000-18000 800-750 380 4.0-6 335xφ450 870 x830x950
DDFJ5.0S1 12000-21000 800-700 380 5.5-6 390xφ490 940 x930x1060
DDFJ5.0S2 15000-23000 380 870-820 7.5-6 390xφ 490 975 x930x1060
DDFJ5.6S1 17000-26000 1150-1110 11-6 380 390xφ585 1020 x1050x1185
DDFJ6.3S1 18000-30000 1240- 15-6 380 390 x503 φ660 1080 x1160x1300
DDFJ2.8S1 2000-4000 450-430 220 0.75-4 190xφ290 530 x500x600
DDFJ2.8S2 2500-5000 220 470-500 1.1-4 190xφ290 530 x500x600
DDFJ3.0S1 4000-6500 720-680 220 1.5-4 190xφ290 560 x560x660
DDFJ3.5S5 5000-8500 950-870 220 2.2-4 240 x364 φ320 640 x600x700
DDFJ3.5S5 8000-12500 820-780 220 3.0-4 240 x364 φ320 640 x600x700

ACCESSORIES LIST

User Manual 1 part
inspection Report 1 part
product Qualification Certificate 1 part
CEP Environmental Certificate 1 part
product Warranty Card 1 part
fasteners 1 pack

Silicon steel motor

  • Lifetime Warranty
  • National standard quality
  • Pure copper coil
  • high precision rotor
  • Low noise and stable operation

Patented impeller

  • Precision cast iron pulley
  • concave trapezoidal design
  • Brand bearing
  • High transmission efficiency
  • Stable and efficient operation

Brand components

  • Precision cast iron pulley
  • concave trapezoidal design
  • Modular assembly, optimized mechanics, stable and reliable
  • High transmission efficiency
  • Stable and efficient operation

Patented R&D impeller

  • Longde Patent R & D
  • & omega; External Tangent Vector Growth Structure
  • Rigorous dynamic balance correction
  • Tight arrangement and low noise
  • Adequate air volume and smooth operation