high efficicency centrifugal blower fan

1.0  GENERAL

A.  Fans is 4-72 Series Centrifugal Fan manufactured by Shandong GRAD Group Co., Ltd,China.and of the size and capacity as indicated on the following specifications.

B.  Fans got CCC & ISO 9001, 14001 18001 Certificate, our fans will be tested before leaving factory and have  the testing report.

C.  Fans has the profermance of high efficicency,low noise and low revolution.

2.0  FAN MODEL

A. We have many models of the centrifugal fans. Please provide us the air flow, pressure, motor power and speed for choosing the correct model.

Parts of our fan parameter table are listed below. 

3.0  FAN MOTOR AND DRIVE

A. Voltage, frequency & materials could be customized. 

B. Motor power & RPM as the following specification schedule.

C.The fan is not appended bearing support, impeller and motor drive directly. 

4.0  APPLICATIONS 

a.General Ventilation     b.Process ventilation     c.Contaminated Air Streams

d.Mining Ventilation      e. Air-conditioner          f.Fumes duct or smoke removal 

Part of the fan models and specifications 

Fan pictures 

   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. 

We provide good quality service for our clients. If you need sample for testing or showing to your clients,we can deliver the sample by international express.You should pay the sample and express cost.

We can also design the product according to your specific requirement.

We can provide you installation guide.If parts are damaged in the quality insurance period because of our quality,we can change the damaged parts free of charge.

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.

1. Product warranty: Usually, our product warranty is 18 months after leaving factory or 12 months after installation.

2. Delivery time: It will depend on the product quantity. Our products are sold according to order. 

3. Installation: If the project needs our installation guidance, we can send our engineer and translator. The expenses shall be borne by the project owner.