Manufacturer High Volume Low Speed Big Cooling Fans Roof Fan for Factory (24FT-20FT-17FT-14FT-11FT)

• Customization: Available
• Material: Aluminum Fan
• Blade Material: Aluminum
• Model NO.: WS-D7300
• Type: Ventilation Fan
• Electric Current Type: AC
• Mounting: Ceiling Fan
• Certification: ISO, CE
• Blade Qty: 5 PCS
• Voltage: 380V 50Hz
• Power: 1.2 Kw
• Rated Current: 2.9A
• Max Speed Rpm: 52 Rpm
• Max Air Volume: 15857 Cubic Meter/Min
• Area Covered: 1600 Square Meter
• Area Effectived: 750 Square Meter
• Transport Package: Wooden Package
• Specification: 7300mm (24ft) diameter
• Trademark: wusun
• Origin: Guangzhou
• HS Code: 8414591000

Product Description

TECHNICAL SPECIFICATION

Model No.	WS-D7300	WS-D6300A	WS-D6300B	WS-D5300	WS-D4300	WS-D3300
Diameter	7300mm (24ft)	6300mm (20ft)	6300mm (20ft)	5300mm (17ft)	4300mm (14ft)	3300mm  (11ft)
blade QTY	5	5	5	5	5	5
Power	1.2KW	1.2KW	0.88KW	0.88KW	0.66KW	0.66KW
Max Speed RPM	52	64	58	76	80	90
Max air volume (m³/min)	15857	14582	11953	10895	7385	6152
Voltage (V)	380	380	380	380	380	380
Rated current (A)	2.9	2.9	2.6	2.6	1.6	1.6
Noise level (db)	<39db	<39db	<39db	<39db	<38db	<38db
Area covered (square meter)	1600	1500	1300	1100	900	650
Area effectived (square meter)	750	700	650	550	480	350
Weight	105 kgs	99 kgs	92kgs	86kgs	66kgs	60kgs

SAFETY STRUCTURE INTRODUCTION


PARTS OF OUR CUSTOMER

FAQ
Q1:Are you a foreign trade company or a manufacturer ?
A: We are a manufacturer, Our factory established since Year 2003,  we specialized in HVLS Industrial Ceiling Fans, cooling fan ,Exhaust Industrial Fan and so on. 
Q2: HVLS fan is joint launched with GREE. KB,  what is GREE. KB ?
A: Gree is short writing of GREE Electric Appliances Inc of Zhuhai, which was Founded in 1994, listed in Shenzhen Stock Exchange in November 1996, Global Top 500 enterprise and the best air conditioner producer in China. KB Motor is the motor production department of GREE.   
Q3: Why use GREE.KB internal rotor PMSM? What's the difference with external rotor PMSM ?
Internal PMSM: More safety structure:
(1)NdFeB(neodymium iron boron) is inlaid ,structure is stable.  (2) High Anti Grade, IP64   (3) installation has 5 force bearing point, makes the fan stable when there is external force interference.
External PMSM: Less safety structure:
(1) NdFeB(neodymium iron boron) is fixed by glue,easy to fall off.  (2)Motor with heat dissipation holes, unable anti water and dust. (3) wirerope installed on the central pole, all bearing point only in the pole.
Q4:What's the advantage of your HVLS industrial Ceiling fan ?
A: (1) GREE.KB brand intenal rotor PMSM, quality assurance. 
(2) Good quality motor perfect match with special design blade, high efficiency with low energy comsumption. 
(3) blade is R&D with GREE research institue, big and confortable natural wind feeling.
(4) Intelligent intergrated control system , maximun control 48 sets of fan at the same time.
(5) Saftey strcture
(6) excellent after sale service with 5 years warranty.  
Q5:  How do you do after-sale service?
A:  We will send you free spare parts to replace under warranty. 
Q6: what's the delivery time?
A:  It depends on the order quantity. Delivery time will be within 7 days after receiving payment by TT.
Q7: What is your terms of payment ?
A: Payment≤5000USD, 100% in advance. Payment≥5000USD, 30% T/T in advance , balance before shipment.
Q8:  How long is the warranty?
A:  5 years warranty.