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1,The Fan Blade is designed with advanced aerodynamics,which makes the fan artistic and efficient;The Fan rotor adopts
double-side dynamic balance achieves G6.3.
2,The Fan blade,rotor and grid are all powder sprayed.The surface is bright,artistic and corrosion-resistant.The cover of the motor is also specially handled,which protects it from being oxidized and discolored.
3,The mormal ambient temperature for the fan is:-25℃ ∼ +60℃.If the operating temperature exceeds this range,we can customize per customer's requirements.
4,Currently,the insulation class we supply is B and F,and the prodection class is IP54.The operating temperature is:-40℃ ∼
+60 ℃ and -25℃∼+80℃.The motor can be equipped with thermal overload protector.We have launched axial fans with IP56 recently,whose structure was authorized the national patent.The new structure makes the fan applicable to humid and poor working conditions.
5,We have two kinds of fan motors:single phase and three phase fan motor.For Single-phase fan motor,220V/50Hz and 220V/60Hz
are applicable.For three-phase fan motor,380V/50Hz and 380V/60Hz are applicable.Moreover,we can supply motors with special motors with special requirement,such as special voltage,dual voltage,etc.
6,The wire of the fan can be directly leaded out.We can also provide various kinds of water-proof connection box for customers's selection.
| Model | Volatage | Frequency | Current | Power Input | Speed | Noise | Capacitor | Air Volume | Max.static Pressure | N.W. |
| V | Hz | A | W | RPM | dB(A) | uF | m³/h | Pa | Kg | |
| LTF4E-200-50 | 220 | 50 | 0.11 | 22 | 1400 | 50 | 2.5 | 385 | 30 | 2.0 |
| LTF4D-200-50 | 380 | 50 | 0.15 | 30 | 1450 | 50 | / | 385 | 30 | 2.0 |
| LTF4E-250-50 | 220 | 50 | 0.23 | 50 | 1430 | 55 | 1.5 | 880 | 60 | 2.7 |
| LTF4D-250-50 | 380 | 50 | 0.2 | 50 | 1400 | 55 | / | 880 | 60 | 2.7 |
| LTF4E-300-50 | 220 | 50 | 0.4 | 80 | 1380 | 60 | 2 | 1450 | 60 | 3.2 |
| LTF4D-300-50 | 380 | 50 | 0.22 | 70 | 1440 | 60 | / | 1450 | 60 | 3.2 |
| LTF4E-350-50 | 220 | 50 | 0.7 | 150 | 1380 | 65 | 4 | 2350 | 90 | 4.6 |
| LTF4D-350-50 | 380 | 50 | 0.45 | 150 | 1380 | 65 | / | 2350 | 90 | 4.6 |
| LTF4E-400-50 | 220 | 50 | 0.92 | 210 | 1350 | 68 | 6 | 3745 | 100 | 5.2 |
| LTF4D-400-50 | 380 | 50 | 0.6 | 200 | 1380 | 68 | / | 3745 | 100 | 5.2 |
Long Term Elec. Co., Ltd established in 2003 in Ningbo,which is a leading company specialized in HVAC and electrical area, and also the agent of many Chinese factories. With years' experience, now Long Term can provide various of products with competitive price. We have built a stable factory which clearly knows the importance of quality. The products we supply are well structured, various styles, great appearance and high quality.
Besides the success in HVAC industry and low voltage field, Long Term opened a new market for precision machining.In 2017, Ningbo Long Term Control Co.,Ltd is established. We adopt advanced production technology and high accurate machine for production. Our factory owns dozens of huge and middle CNC horizontal machining centers made by Japan Kuraki, our mean products are Water Heater Thermostat, Snap Action Thermostat ,Defrost Thermostat and Sequencer with UL Certificate. Meanwhile, we have professional team for inspection who are responsible for ensuring that all operations are conducted in line with ISO9001 standards. Welcome to send us drawings of the products you need.
We have achieved UL certificate for US market. UPS, NSF, ROSHS,etc certificate. We have enjoyed a high reputation among our customers owing to the high quality, competitive prices, prompt delivery and excellent service. Our products are now exported to Europe,North America,South America,etc. We have sole agents in Indonesia, Argentina, Kuwait, etc.
In 2019, Long Term becomes the refrigerant exportation department of Juhua Group Corporation in Ningbo.
Adhering to the principles of "Quality ensures Our Survival", "Advanced Management Makes Us Develop", we hope to cooperate with all partners for mutual success.Should you favor us with inquiries for your specific requirements, please feel free to contact us and we are in a position to supply you with first class goods at competitive prices. Your earliest attention will be highly appreciated!
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Main Product:
Copper Tube,
HVAC Tools,
Condensing Unit and Compressor,
Thermostat and Sequencer,
Vacuum Pump,
Cold Room
