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1.The fan translation has accredited Europe of CE certification.

2.The motor is high efficiency and low wastage of energy.

Model	Blade Diameter/mm	Frequency/Hz	Electric Current/A	Input Power/Kw	Voltage/V	Rotational speed(r/min)	Noise(db)	Air Flow (m³/h)	Size/mm
NHXL1380	1250(50in)	50	1.25	1.1	380/220	44000	≤64	44000	1380*1380*450

Blades:The mirror face stainless steel blades are imported from German,the whole machine goes through balance test.
Blade diameter:1250mm(50" ventilation fan).Blades are formed by stamping while the angle is suitable,which can make the biggest airflow as well as the smallest noise and not out of shape nor rupture during long using term.
Additionally,each set of blades must be tested by balance system before sold,which will make sure the stable and smoothy work for the fan.

Hot galvanized sheets.The thickness is 0.8mm and 1.5mm.It increases the intensity,life length and weight of whole machine.It improves the stability of the fan.

The special and advanced centrifugal system assures the opening angle of the shutter so that air flow can be kept on the smooth high level.It is made of superior quality nylon and a litle fiberglass,also it is used rivet,which is made of cuprum so that they will antirust.Column-oriented is made of 304 stanless steel.It can ensure the shutter opens with the angle of 90 degree when the while machine runs on the rails.

Demestic motor,Siemens,we will supply according to customer's choice and suiting for local voltage and frequency.

Installation hole of motor is six angles instead of the roundness,which can steady the motor better.

Two kinds of belf pulley for selection:Aluminum,Cast Iron.

It is used by aluminium magnesium alloy,light weight,high intensity.Flank is one-off injection moulded,with aluminium magnesium alloly,which is ne aerial material,ligh and high-strength with beautiul shape.

The spring is made of high quality 304 stainless steel,it will be antirust and non-deformation during long term-using,which ensure to close the shutters in place.

Being imported from Japan,the Mitsuboshi belt is of top performance and long using terms wihout any maintaining.

Frame, frames are made of galvanized board, thickness 1.0mm,galvanizing layer 180g/square meters.

Blade, 6 pieces of blades and all the blades are made by stainless steel, mirror face.Impeller, casting aluminum alloy impeller.Bearing of impeller, permanently sealed bearing, size 633313.Venture, galvanized board, thickness 1.0mm.Blade tip clearance, 25mm.Inlet wind protecting net, spraying paint steel wire, thickness 2.8mm.Electrical motor, national-grade aluminum alloy frame motor, 380V, 1.1KW, 50Hz, 3-phase, 4-pole speed, 1410r/m, IP55, class F, efficiency 90%, top/foot mounted, certification, CE.(motor can be supplied as demand)Motor bearing, national grade. V-belt, A -type belt, imported from Japan. Shutters, galvanized board, 0.8 mm thickness while the middle piece thickness 1.0mm. Galvanizing layer .Opening system, push-pull centrifugal opening system.Rivets, aluminum alloy and stainless steel rivets.Cable, 1 meter long, strong robber wire.Warranty offer, 1 year for the whole machine.High precision system is assistant by computers, which maximizes the effectiveness of the fan. Ten strict procedures that consist of airflow test, noise test, libration test, drive concentric test, blade RPM test, electric current test and whole machine efficiency test, dynamic balance test, the thickness of the galvanized sheet test, the size of the spare parts test, They assure the quality of the fan.