Ventilation fan 4-73-13D series

floor-standingcentrifugalsuction

4-73-13D Series Ventilating Fan Product Description Product Parameters • Application: suitable for boiler, induced draft fan system, paper making, • Chemical industry, coating and other occasions, induced draft fan system. • The impeller directly: 800 ~3150 mm • Air volume range: 10000-870000 m3/h • Pressure range: 6000 pa • Working temperature: -20℃~250℃ • Driving mode: A,B,C,D,F Product Characteristics Impeller The parts are made of standard mould. Class B welding standards. The results of the weld surface of the product mect the requircments of NB/T47013.5-2015 standard CLASS 1 Motor Free choice of motor brands. manufacturers provide or customers provide with two-way choice Bearing Box Bearing box adopts the I larvard lypo split structure, convenient maintenance Access Door It is convcnicnt to check and maintain Drain valve Drain valve is made of stainlcss Steel, long life ※ With single suction, back ward wing type of the centrifugal impeller, has the characteristics of high efficiency and low noise. ※ Adopt high-effciency streamlined design of the spiral case, more aerodynamic. ※ Casing inlet is equipped with high efficient convergence streamlined inlet,which makes the air can be within the scope of the flow channel width of uniform distribution. ※ Fan drive group in No8~16th adopt the whole cylinder bearing box; No18 ~ 28 consists of two independent pillow bearing box. oil lubrication bearing box is equipped with oil level indicator. High temperature fan is water or oil cooling bearing box. ※ According to the requirement No. 20-31.5, is F type transmission, No. 8 - 29.5 is D transmission, other small specifications of the fan can be designed into A, B, C drive