Industrial AC Roof Ventilator 48 Inch Waterproof Axial Wall Exhaust Fan

• Customization: Available
• Material: FRP
• Usage: for Air Conditioner, for Manufacture, for Refrigerate
• Model NO.: SYW
• Flow Direction: Axial Flow
• Pressure: Low Pressure
• Certification: UR, ISO, CE, CCC
• Support Customization: OEM, ODM, Obm
• Fan Blade Material: FRP
• Warranty: 5+ Years
• After-Sales Service System: Online Support
• Install: Wall/Window/Roof/Basement Fans
• Transport Package: Wooden
• Specification: 12.16.18.20.24.36.48inch
• Trademark: shuangyi
• Origin: China
• Production Capacity: 5000

Product Description

Brief Introduction
The blade of the air blower adopts wing type hollow blade of aluminum alloy of the patented product. With advanced producing craft, this wall mounted exhaust fan has big air volume and with high efficiency, low noise and steady performance. 
The exhaust fans are made of aluminum alloy, their surfaces are treated with anode oxidation or baked paint, static plastic spraying.
Fan angle can be adjusted in 0°~90°.
Fan can be mated with adjustable valve or filter net.
Technical parameter form
Direct connection

Model	Diameter (mm)	Air volume (m³/h)	Power (kw)	Size (mm)
BF30-2.5	250	960	0.025	360*360*220
BF30-2.8	280	1331	0.025	400*400*220
BF30-3.15	315	1895	0.04	430*430*230
BF30-3.55	355	2712	0.09	465*465*240
BF30-4	400	3879	0.18	510*510*250
BF30-4.5	450	5500	0.25	560*560*270
BF30-5	500	7500	0.37	630*630*290
BF30-7.7	770	20000	0.55	900*900*370
BF30-9.3	930	34000	0.75	1060*1060*370
BF30-11.1	1110	39000	0.75	1220*1220*370
BF30-12.5	1250	46000	1.1	1380*1380*400

Belt connection

Model	Diameter (mm)	Air Volume (m³/h)	Total Pressure (Pa)	Input Power (kw)	Size (mm)
620A	500	18000	60	0.37	620*620*370
800A	710	22000	60	0.37	800*800*370
900A	750	28000	65	0.55	900*900*370
1000A	900	30000	70	0.55	1000*1000*370
1100A	1000	32500	70	0.75	1100*1100*370
1220A	1100	38000	73	0.75	1220*1220*370
1380A	1250	44000	56	1.1	1380*1380*370
1530A	1400	55800	60	1.5	1530*1530*370

Factory picture
Shuangyi, founded in 1984, with factory in Dezhou city, Shandong province, China, has 4 plants for different products. We have been supplying Cooling tower, Fans, Water tank,etc to global market for more than 17 years.

1. Q: Are you Trading Company or Manufacturing Factory?
A: We are both manufacturer trading and company. We have our own factory for almost 40 years, and we have better service of overseas customers. Welcome to send your inquiry!

2. Q: I am interested in your products, could I get sample for free?
A: We can supply a few pieces FREE samples if we have some in stock, and you only need to pay the freight cost by yourself.
Welcome to send your inquiry for FREE samples!

3. Q: How about the Delivery time?
A: 10-15days after receiving the deposit based on the MOQ. Normally, 30-35days to finish the order for a 20ft container.
Welcome to ask for the detailed delivery time according to your order quantity!

4. Q: How can you guarantee the product quality?
A: We have the quality control system ISO9001:2015, and it's been followed strictly. We also have the professional QC team,and each our package worker will be in charge of the final inspection according to the QC instruction before packing.

5. Q: What is about the payment terms.
A: Basically, the payment terms are T/T, L/C at sight. Western Union, Alipay.

6.Q: Can you do OEM for me?
A: We accept all OEM orders,just contact us and give me your design,we will offer you a reasonable price ASAP.

Purchasing Notes
1. If you knows little but only the volume or area of your warehouse, plant or workshop, like their length, width, height, please make sure that contact us in time. By doing so, our engineers can design the specifications and quantity of the product in your need.

2.If there is no specification parameter that required in the parameter table, please tell us your requirements and we will give you a satisfactory designing scheme.

3.If you have confirmed our products, please place an order and then make payment. After that, we will arrange delivery as soon as possible. Without change in the order before our delivery, we will give you an exquisitely prepared present.

4.If there is any difficulty in transportation, please contact us immediately and we will give you a satisfactory plan to save freight as much as possible.