Envirovent Centrifugal Fan

Product advantages of 4-72 type centrifugal fan

Type 4-72 D type centrifugal fan can convey air and other gases that are not spontaneously combustible, harmless to the body and non-corrosive to steel.

Type 4-72 D type centrifugal fan can be used as ventilation of flammable materials. The gas is not allowed to contain sticky substances, and the dust and hard particles contained are not more than 150mg/m3. The gas temperature does not exceed 80℃. There are four models of this fan: A, B, C and D. It can also be equipped with explosion-proof motor to make B4-72 explosion-proof centrifugal fan.

Second, 4-72 type centrifugal fan use scene: 4-72 type D centrifugal fan is widely used in industrial and mining enterprises, large buildings, hotels and other indoor ventilation.

Core advantages trustworthy

Energy saving and environmental protection: the fan adopts Archimedean spiral design, which has high equipment efficiency, low energy consumption, meets product standards, wide application range and low operation cost.

Low frequency noise reduction: German dynamic balance equipment is introduced. The fan can be equipped with silencer and sound isolation box. The noise of the equipment is very low. The vibration value of ordinary fan is less than 4.6mm/s, and the vibration value of DHL fan is ≤ 2.5mm/s

Beautiful appearance: the imported German numerical control suspension pressure equipment is integrated, the laser welding is smooth and flat, and the American shot blasting equipment is introduced to treat the whole fan. The painting is uniform, the appearance is flat, and the product is durable.

High quality raw materials: strictly control the production of raw materials, and select well-known brand motors, bearings and plates. The selection of materials meets international standards and has good quality.

Quality: 1-year warranty, 12-month after-sales service, 24-hour online customer service. Good products, good service.

Company advantage

Richer experience: we were founded in 1997 and have been exported to more than 40 countries and regions, such as Russia, Australia, the United States, the United Kingdom, Germany, Ukraine, Iran, Romania, Hungary, Mexico, Brazil, Chile, Canada, Spain, Colombia, etc. we can provide customers with high-quality services.

High quality: we have a professional team with technical knowledge and management experience. Our company has passed professional quality system certification, CE certification, SGS audit and TUV audit, and served as a member of China National fluid environment association and China fan association. So that we can guarantee the best quality of our products.

Long history: our company was established in 1997 and located in Qingdao, China. It is engaged in the production and sales of fans, centrifugal fans, axial flow fans, animal husbandry fans, etc. we can provide you with intimate prices.

We support OEM Customization: We customize production according to customer needs. Meet customer needs at any time.

ontinuous research and development of new products: for the development of the international market, our company should make two breakthroughs, namely network and service. In order to develop the international market, our company should make two breakthroughs, namely network and service. Centrifugal fan, axial fan and animal husbandry fan are the main models that have successfully entered the foreign market. Improve the production quality to meet the higher requirements of customers.

Best service: customer satisfaction is always the priority concern of dehongli machinery. We are eager to solve any problems. We will answer all questions, help when we are busy, and respond to all requests.

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