The quality of our Backward Centrifugal Fan For Hutch, UL Approval Steel Type Circular Duct Fan CDF Serie, pole motor is guaranteed to meet the standards so that each product is shipped and used without harming the environment where we live together. We are willing to uphold the consistent quality standards and years of experience, first-class products and perfect service dedicated to our respected customers. We hope to produce high-quality products independently, at the same time, to strengthen communication and cooperation with overseas companies with the aim of made in China and world cooperation.
Product Introduction
(1) YWF series axial fans are external rotor motors. These motors have characteristics of compact structure, convenient installation and high efficiency etc.
(2)YWF series external rotor motors have two kinds, single phase asynchronous operation and three phases asynchronous operation. They are suitable for commercial freezer and cold storage room, ice machine, air cooling machine, water chiller, condensing unit, central air-conditioning and heater, etc.
(3)YWF series 100% speed control motor with low starting current. The insulation class of motor is B or F, and the protection class is IP54. All motors have thermal protector in the winding.
(4)Voltage: The voltage of the single phase motor is 120V/60Hz, 220V/50Hz. The voltage of three phases motor is 380V/50Hz, we can also supply other fan motors with connection box for clients' choices.
(5)YWF fans can be controlled speed by frequency transformer or voltage inverter, three phases fans can be adjusted double-speed by Y/△ exchange, or variety speeds by different connection.
(6)The axial fans are available with fan guard grill and without guard grill, operating with 200mm to 900mm diameter fan blades. We can offer different installation ways like cylinder (inlet ring), wall ring plate, round frame, etc.
(7)We can supply the fan motors with capacitor box or electrical wire for clients’ choices. The standard length of electrical wire on the 800 and 900mm is 1.5m.
(8)The service life of motors is more than 30,000 hours.
(9)The usable ambient temperature is from -30℃ to 60℃.
(10)Before operating the motor, make sure to put the earth wire of the motor connected with the external grounding device.
(11)Most of External Rotor Motors have passed UL approval in America, RHOS, CE approval in Europe and CCC safety certificate in China.
Product Parameter (specification)
(1)For Air Compressor:
YWF710 usually use in air compressor of 55 KW
| Model | Voltage | Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise |
YWF4D710-7 | 380 | 50 | 5.6 | 2800 | 1400 | 21000 | / | 84 |
(2)For Refrigeration and others:
| Model | Voltage | Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise | Model |
YWF6D710-7 | 400Y | 50/60 | 2.2/2.9 | 450/620 | 920/1030 | 9500/10800 | 12 | 72/75 | ①② |
YWF6D710-7 | 460Y | 60 | 2.4 | 430/600 | 920/1030 | 9500/10800 | / | 72/75 |
Product feature and application
(1) Product feature:
●Compact structure
●Specialized design
●Refined process control
●Simple Installation
●High efficiency and low noise
●Long service life
Application
Ventilation | Buildings, parking lots and so on |
Refrigeration | Refrigerator, Air cooler, refrigerating machine and so on |
Heat dissipation | HAVC, Air compressor, Dehumidifier, Evaporator, Wall fan, Condenser, Dryer, AHU, Ice machine and so on |
Production details
Production details
(1)Illustration of Models
YWF 4 E 630 S W
① ② ③ ④ ⑤ ⑥
①:YWF Axial fan with external rotor motors
②:4 Pole of motor
③:E Single phase capacitor operation
D Three phases asynchronous operation
④:630 The diameter of the motor fan blades
⑤:S-Sucking B-Blowing
⑥W:Without guard grill
A:Flat
B:Flat guard grill with sidepiece
C:Concave guard grill
D:Inlet ring
E:Inlet ring with mounting plate
S:Two-speed
T:Three-speed
V:Double voltage
(2) Guard grill of different installation ways
A. Guard grill with capacitor box
| Flat | Flat guard grill with sidepiece |
 |  |
| Concave guard grill | Inlet ring |
 |  |
| Inlet ring with mounting plate | |
 |
B. Guard grill with electrical wire
| Flat | Flat guard grill with sidepiece |
 |  |
| Concave guard grill | Inlet ring |
 |  |
| Inlet ring with mounting plate | |
 |
FAQ
(1)Q: Are you a manufacture factory?
A: Yes,we are one of the leading manufacturers of fans and motors in China since 1980, Our factory occupied area of 26000square meters, located in Yinzhou district, Ningbo. We have more than 300 employees.
(2)Q: Which product certification do you have?
A: Our products are approved VDE certificate, UL certificate, CE certificate, ROHS certificate, CCC certificate, SASO certificate and so on.
(3)Q: How about our company's quality control system??
A: We have gotten IS09001:2008 certificate(SGS)
(4)Q: How long is the warranty of your products
A:One year after ETD
(5)Q:What kind of trade terms and payment terms?
A: Trade terms: EXW, FOB
B: Payment terms: T/T, L/C
Each product is precisely test by professional technicians before leaving the factory to ensure the stable performance and high quality of Chinese Price Refrigeration Ventilate Axial Flow Fan with Low Noise and High Speed. We have perfect after-sales service as well as potential follow-up development capability, which has won wide trust and support from users. Our service philosophy is to think of our customers from the smallest detail.
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