Professional Energy-Saving Wall Mounted Cowshed Negative Pressure Fan

• Material: Stainless Steel
• Usage: for Experiment, for Air Conditioner, for Manufacture, for Refrigerate
• Flow Direction: Axial Flow
• Pressure: Medium Pressure
• Certification: RoHS, UR, ISO, CE, CCC
• Transport Package: Standard Export Packing
• Specification: 500-2
• Trademark: OEM
• Origin: Zhejiang, China
• Production Capacity: 7000PCS/Month

Product Description

Professional energy-saving wall mounted cowshed negative pressure fan
 
1. Huge airflow, Low noise, high efficiency.Good looking, the surface smoothness & gloss without rough edges. 
 
2.Shutters be use counterweight open-close system.Easy to maintenance.
 
3.Be introduced the advanced technology from Europe, suitable for various nvironment.           
 
4.Fan housing: Strength galvanized steel.
 
5.Shutters: Strength galvanized steel(Stainless steel for option).Good seal performance,
prevent rain come intothe fan and easy to remove and maintenance.
 
6.Fan Propeller: 6pcs blades of propeller made from CNC punch.
Rational angles of the blades to supply hugeairflow and low noise.Fan blades with Strength galvanized steel
 
7.Motor: Die casting aluminum body & Die casting iron body for options, good for heat transfer and l Low noise. With over-load protection inside.
 
8.Belt Pulley:Be made by strength die casting aluminum with once-forming press. Smooth surface of the groove to supply low noise and huge airflow, and extend the working life of the belt.
 
9.V-Belt: be use USA "GATES" belt to supply performance of high strength & good ductile.
 
10.Motor pulley: Be made by die casting iron with smooth surface treatment.
It can extend the working life of the belt and supply low noise & huge airflow.
 
11.Bearing: Imported auto bearing to ensure stable operation for the fan propeller and low noise.
 
12.Cable outlet: The cable outlet is on the back of the fan, it makes the fan with more convenience
for installation. 
 
13.Screws & Nuts: Be use stainless steel or blacking treatment to ensure antirust performance.  

Item	Propeller  Φ	Complete Size	Propeller Speed	Flow Rate	Noise	Power	Voltage	Frequency	Phase	Carton Size
	mm	L×H×W (mm)	RPM	m3/h	dB(A)	(HP) /(KW)	V	HZ	ph	L×W×H(cm)
CH-1380	1270	1380×1380×400	450	44500	71	1.5HP 1.1KW	230           380	50                 60	1ph             3ph	140×140×42
CH-1220	1110	1220×1220×400	480	37000	65	1HP 0.75KW				122×122×42
CH-1060	950	1060×1060×400	500	32000	60	3/4HP 0.55KW				108×108×42
CH-900	770	900×900×400	520	28000	55	1/2HP 0.37KW				92×92×42