GRAD beautiful appearance centrifugal fan,low revolution centrifugal ventilator Product Description Advantage 1, Fans has the characteristics of high efficiency,low noise and low revolution. 2, Voltage, frequency & materials could be customized. 3, The fan is not appended bearing support, impeller and motor drive directly. 4, Fans got CCC & ISO 9001, 14001 18001 Certificate, our fans will be tested before leaving factory and have the testing report. 5,Wide range of uses, such as Mining Ventilation,Fumes duct or smoke removal, High-rise building ventilation Part of the centrifugal ventilator data table
. | Speed (r/min) | Total Pressure (Pa) | Air volume (m3/h) | Power (kW) |
2.8A | 2900 | 994-606 | 1131-2356 | 1.5-2 |
| 2900 | 1300-792 | 1688-3517 | 2.2-2 |
3.2A | 2900 | 1300-792 | 1688-3517 | 2.2-2 |
| 1450 | 324-198 | 844-1758 | 1.1-4 |
3.6A | 2900 | 1578-989 | 2664-5268 | 3.0-2 |
| 1450 | 393-247 | 1332-2634 | 1.1-4 |
4.0A | 2900 | 2014-1320 | 4012-7419 | 5.5-2 |
| 1450 | 501-329 | 2006-3709 | 1.1-4 |
4.5A | 2900 | 2554-1673 | 5712-10562 | 7.5-2 |
| 1450 | 634-416 | 2856-5281 | 1.1-4 |
5A | 2900 | 3187-2019 | 7728-15455 | 15-2 |
| 1450 | 790-502 | 3864-7728 | 2.2-4 |
5.6A | 1450 | 957-759 | 7062-9885 | 3-4 |
6A | 1450 | 1139-724 | 6677-13353 | 4-4 |
| 960 | 498-317 | 4420-8841 | 1.5-6 |
NOTE: a. The following data is only part of performance of our product. b. Please send us your performance requirements, we will provide you customized design service.
centrifugal ventilator display:
structure and schematic diagram
Packaging & Shipping Usually we use plywood package or naked package. Some of the products like fan coil unit or table tennis board have standard carton package. The shipping terms are LCL, 20’ container, 40’ container
Our Services Before-sale services: (1) Tell customers how to use our products and matters needing attention. (2) Guide customers to choose the best and economic product, recover the investment within short time. (3) Site inspection if you need. In-Sale services: (1)Quality control must be inspected strictly. (2)In accordance with the agreements stipulated in the contract. After-sale services: (1) If the project needs our installation guidance, we can send our engineer and translator. We can also send customers installation video to teach them how to fix and operate with our product. (2) Usually, our product warranty is 18 months after leaving factory or 12 months after installation. within this months, all parts broken will be responsible for our factory. (3) Regular contact with customer, consult with the customer feedback, come true with the customer's two-way communication. Company Information Shandong GRAD Group Co., Ltd. is located in Dezhou city, Shandong Province,covering an area of 450,00 square meters. It is a large modern enterprise group with central air-conditioning, ventilation, FRP products research development, design, production, sales, installation and maintenance.It is the backbone enterprise of "Dezhou • Central air-conditioned city" named by China Refrigeration and Air Conditioning Industry Association(CRAA). GRAD Group products include: central air conditioning series products(chillers, air conditioners, fan coils, cooling towers, ventilators and accessory products), FRP series products (FRP winding pipes and storage tanks), SMC moulding products (water tanks, table tennis boards, basketball boards, manhole covers, etc) . All products have been inspected by the national quality inspection department.
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