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professional exhaust fan manufacturer, professional industrial exhaust fan, swung drop hammer opening device, CE certificate - details see: https://www.machineto.com/high-quality-industrial-exhaust-fan-with-swung-drop-hammer-ce-10175725

High Quality Industrial Exhaust Fan with Swung Drop Hammer/CE

Material of components:
1.Frame:Galvanized steel sheet, one-off molded, anti-corrosive and durable,zinc thickness 180G/M2.Thickness: 1.0mm for the top and 0.8 for the other sides
2. Blade:6 pieces of mirror finishedstainless steel blades,attractive and durable with big air volume, passing the homeostasis test to ensure the air volume keeping the same as the very beginning during the operational life span, low noise, no distortion, no broken,Thickness: 1.2mm.
3. Motor:Siemens motor or Chinese motor, high efficient and energy-saving with CCC certificate. Protection class: IP55, Insulation class: F.The voltage, power, Hz and phase can be customized.

4. Shutter: Made of high strength hot-galvanized steel sheet, dustproof and waterproof.
Thickness: 0.45mm
5. Swung drop hammer:Made of high quality nylon, stable performance, guaranteeing the shutters open and close flexibly.
6. Protective net:Made of hard-drawn wire, designed as door-type, which is convenient for maintaining.
7. Belt impeller:Made of aluminium magnesium alloy by injection moulded, adopting more stiffening rib, processed by sandblasting, eliminating the internal stress, high intensity, low noise, long service life.
8. Belt Pulley:Made of aluminium-magnesium alloy by injection moulded,reducing the weight of blade and impeller, high corrosion resistance. Blast-sanding treatment for attractive appearance, eliminating internal stress to improve its own rigidity and stability, high strength.
9. Belt tensioner:Made of high quality nylon or aluminium-magnesium alloy, avoiding belt loosening or dropping off, extending service life and avoiding distortion, waterproof
10. Bearing:Imported double-row bearing,super mute, high intension and durable
11. Spring:Stainless steel
12. Belt:China famous brand belt, Mistubishi belt
13. Strict test criterion

We can supply customers the following exhaust fans, ventilation fans, and other poultry equipments according to customers' requirements.

Please kindly inform us the model you want, with quantity, delivery time and destination port or other specific requirements when you send us inquiry. We will give you best quotation with more details ASAP.

Model specification	Diameter blade(mm)	Blades rotational speed(rpm)	Motor rotational speed(rpm)	Air flow(m3/h)	Total pressure(Pa)	Noise(dB)	Power(W)	Voltage(V)	Outer size(mm)
JLF(c)-620(20")	500	1400	1400	5700	55	≤70	250	380	620*620*400
JLF(c)-780(28")	710	960	1400	23000	75	≤70	370	380	780*780*400
JLF(c)-900(30")	750	630	1400	22000	65	≤70	370	380	900*900*400
JLF(c)-1000(36")	900	610	1400	25000	70	≤70	750	380	1000*1000*400
JLF(c)-1100(40")	1000	600	1400	32500	70	≤70	750	380	1100*1100*400
JLF(c)-1220(44")	1100	460	1400	38000	73	≤70	750	380	1220*1220*400
JLF(c)-1380(50")	1250	439	1400	44000	56	≤70	1100	380	1380*1380*400
JLF(c)-1530(56")	1400	325	1400	55800	60	≤70	1500	380	1530*1530*400