Description
QJ390 hose
Application: Used for extracting waste exhaust gas in welding, air conditioning and ventilation equipment;
for machine rooms, basements, tunnels, municipal pipeline projects, mechanical shipbuilding projects,
mining ventilation equipment, fire suppression smoke exhaust, etc., for air supply and exhaust in harsh
working environments for collecting and removing dust.
Performance: Resistant to strong acids and alkalis, excellent chemical resistance, portable, resistant to
oil and acid, flame retardant; can be freely bent, connected, lightweight; the bending radius is approximately
equal to the outer diameter, capable of discharging static electricity (in accordance with BGR 132, former LY ZH 1/200) with spiral wire grounding;
Construction: Elastic steel wire wrapped around the pipe wall; Wall: Coated with high-temperature adhesive
on the inner surface, made of non-combustible Kewair material;
Temperature range: -20℃ to +80℃; Short-term up to 120℃. For air conditioning and ventilation equipment,
welding exhaust gas extraction, resistant to high temperatures for exhaust.
Colors: Gray, black, yellow, etc.
| ID | O.D | Overpressure bar | Vacuum bar | Weight | Length | Order number |
| mm | mm | bar | bar | kg/m | m |
| 50 | 53 | 0.615 | 0.33 | 0.12 | 10 | QJ390-050-197 |
| 63 | 66 | 0.58 | 0.31 | 0.14 | 10 | QJ390-063-197 |
| 76 | 79 | 0.525 | 0.295 | 0.18 | 10 | QJ390-076-197 |
| 89 | 92 | 0.490 | 0.225 | 0.20 | 10 | QJ390-089-197 |
| 102 | 105 | 0.415 | 0.2 | 0.24 | 10 | QJ390-0100-197 |
| 125 | 128 | 0.385 | 0.175 | 0.32 | 10 | QJ390-0125-197 |
| 152 | 155 | 0.32 | 0.125 | 0.37 | 10 | QJ390-0150-197 |
| 176 | 179 | 0.280 | 0.100 | 0.50 | 10 | QJ390-0176-197 |
| 203 | 206 | 0.225 | 0.095 | 0.6 | 10 | QJ390-0203-197 |
| 225 | 228 | 0.210 | 0.080 | 0.70 | 10 | QJ390-0225-197 |
| 254 | 257 | 0.19 | 0.065 | 0.79 | 10 | QJ390-0250-197 |
| 300 | 304 | 0.165 | 0.055 | 0.95 | 10 | QJ390-0300-197 |
| 350 | 354 | 0.13 | 0.04 | 1.11 | 10 | QJ390-0350-197 |
| 400 | 404 | 0.1 | 0.028 | 1.28 | 10 | QJ390-0400-197 |