Ningbo Lionball Ventilator Co., Ltd
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Forward Impeller Steam Boiler Factory Centrifugal Ventilation Blower Fan for Power Generation

Forward Impeller Steam Boiler Factory Centrifugal Ventilation Blower Fan for Power Generation

YWF series centrifugal fan with external motor has features of compact structure,convenient installation, credible running, little noise, energy saving and high efficiency.

  • Description

    Our company adheres to continuous technological innovation to create value for customers and is committed to providing customers with high-quality Ac Axial Fan, Shaded Pole Single Phase Motor, Axial Fan For Kitchen Exhaust. We are looking forward to hearing from you soon. With pragmatic spirit and honest labor, we make our products of the best quality and our service optimal. With our unique production experience and enterprise spirit, we strictly control the quality and make our products keep improving.

    Production description
    YWF series centrifugal fan with external motor has features of compact structure,convenient installation, credible running, little noise, energy saving and high efficiency. 
    Our product YWFF250 has several speed ranks, adapt to both frequency conversion and voltage transformation speed changing active.
    Our products are widely used in refrigeration and ventilation fields, such as condenser’ evaporator, duct fans, ceiling fans.
    Voltage and frequency: Single phase motor is 115/220V, 50/60HZ, three phase motor is 380V, 50/60HZ. We can also supply other fan motors with different voltages and frequencies according to clients’ requirement.
    The average service life of motors is more than 17500 hours.
    (1)Material: Impeller: galvanized sheet steel
    Rotor: Coated in black plastic
    (2)Bearings: Maintenance- free ball bearings
    (3) Direction of rotation: Clockwise, seen on rotor (opposite cable exit), or viewing from inlet
    (4)All models have reached UL approval, CE approval and CCC approval
    (5)The type of protection is IP54. All models are fitted with an internal Thermal Overload Protection Device
    (6)Mounting position: Shaft horizontal or rotor on bottom; rotor on top on request (Any)
    (7)Insulation class is class B or class F.


    Performance parameters

    Model

    Voltage
           V

    Frequency
           HZ

    Current
           A

    Input Power

       W

    Speed
         RPM

    Max Air Flow
           M³/H

    Capacitor
           μF

    Noise   dB(A)

    Curve

    YWFB2E250

    230

    50/60

    0.65/0.8

    145/185

    2450/2550

    1400/1450

    4

    75/77

    ①②

    115

    50/60

    1.3/1.6

    145/185

    2450/2550

    1400/1450

    16

    75/77

    YWFB2E250H

    115

    50/60

    2.05/2.9

    224/330

    2650/3250

    1640/1980

    30

    80/84

    ③④

    YWFB4E250

    230

    50/60

    0.25/0.44

    48/50

    1400/1650

    820/990

    2

    61/64

    ⑤⑥

    115

    50/60

    0.5/0.55

    48/60

    1400/1650

    820/990

    6

    61/64

    YWFB2E250P

    230

    50

    0.7

    150

    2500

    1300

    4

    75


    1

    2

    Product feature and application

    (1) Product feature:

    ●Compact structure

    ●Specialized design

    ●Refined process control

    ●Simple Installation

    ●High efficiency and low noise

    ●Long service life


    (2)Application

    Exhausting industrial processes, roof and building ventilation, clean room and other sensitive HEPA filtering application, laboratory and research facility ventilation, air conditioner, heat exchangers, in-line duct blowers, range hood, fire place inserts, humidifiers, dehumidifiers, hand dryers


    Production details 

    3


    Difference between forward centrifugal fan

    (1)efficiency: the efficiency of the forward leaning centrifugal fan is lower than that of the backward leaning centrifugal fan.

    (2)energy consumption: because the efficiency of the forward leaning centrifugal fan is low, its natural consumption for electric energy is greater than that of the backward leaning type.

    (3)noise: when the forward leaning centrifugal fan is in operation, the noise emitted by the forward leaning centrifugal fan is larger than that of the backward leaning fan.

    We have to ensure that our Forward Impeller Steam Boiler Factory Centrifugal Ventilation Blower Fan for Power Generation has unique competitive advantages in order to guarantee sales. Our scientific research personnel adhere to the road of independent innovation, developing in the direction of high-precision quality and performance. Our company adheres to the principle of 'customer first, service first', which is very beneficial to the establishment of long-term good brand image.

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