Drop Hammer Exhaust Fan, 50″, Wall

Key specification for this drop hammer exhaust fan: 220V/380V, power source Electric. Everything below is reproduced from the factory data sheet. Made by Weifang U-One Machinery Equipment Co., Ltd. (4 years on the platform, typical reply ≤4h). Send your target quantity and destination for a firm quotation with current lead times.

Key Features of This Drop Hammer Exhaust Fan

• Model Number: 18-55 INCH
• Power Source: Electric
• Voltage: 220V/380V
• Blade Material: Stainless Steel
• Fan Material: Galvanized Sheet,SS304,SS430
• Speed: 1450RPM

Technical Specifications

Product Details

U-ONE series heavy hammer exhaust fan mainly composed of blades,motor,frame,protecting nets ,supporting frames and shutters.The motor drive blades to cause air flow and shutters can open and close automatically to prevent the dust from entering.The major parts are made of galvanized steel sheets and stainless steel sheets.

Model NO.	Blades Diameter (mm)	Blades speed (RPM)	Motor speed (RPM)	Air volume (CMH)	Noise (DB)	Power (W)	Voltage (V)	Size(mm)
UOH-300	200(8'')	1400	1400	1000	≤70	45	380/220	300*300*200
UOH-400	300(12'')	1400	1400	2000	≤70	120	380/220	400*400*320
UOH-480	380(15'')	1400	1400	3000	≤70	180	380/220	480*480*320
UOH-620	500(20'')	1400	1400	5700	≤70	370	380/220	620*620*330/370
UOH-800	710(28'')	960	1400	20000	≤65	370	380/220	800*800*330/400
UOH-900	750(30'')	630	1400	22000	≤65	370	380/220	900*900*370/400
UOH-1000	900(36'')	610	1400	25000	≤65	550	380/220	1000*1000*370/400
UOH-1100	1000(39')	600	1400	32500	≤64	750	380/220	1100*1100*370/400
UOH-1220	1100(43'')	460	1400	38000	≤64	1100	380/220	1220*1220*370/400
UOH-1380	1270(50'')	439	1400	44000	≤64	1100	380/220	1380*1380*370/400
UOH-1530	1400(55'')	325	1400	55800	≤64	1500	380/220	1530*1530*370/400

SS430 fan blades
1. Material : 430 stainless steel, thickness1.2mm
2. Diameter: 1270mm
Advantage:
Large air flow, no deformation, no fracture, no dust, attractive and durable.

Note:
Blade material also have galvanized sheet, aluminum alloy for option

Motor
Brand: Chinese motor and Siemens motor Certificate: CCC Protection class: IP55 grade
Insulation class: F grade
Voltage and frequency:Customized Production:With phase failure protective device to ensure motor working well

Advantage:
Pure copper wire,High-efficiency,Energy-saving.

Fan belt pulley
Fan belt pulley and flange are made of aluminum-magnesium alloy by pressure casting.Good outlook with lightweight. Especially to reinforcing rib to increased strength. No broken . Long service life.
The angle of blade hub is designed after double tested which can be fix with blade exactly.

Advantage:
Small wind resistance,Large air flow, attractive and durable.

Bearing
Fan bearing :adopts imported double-row bearing with special waterproof design,water can't enter.

Advantage:
High strength,lower noise,maintenance free and long service life.

Belt
Chinese belt and Japanese Mitsuboshi brand belt for customer choice.
Long service life and no repair
Modified B type belt,so that service life increase 3 times than Type A

Hammer system
1.Material: High quality Nylon PA66
2.Guide Rod: 304 stainless steel with special material outside, high strength, no rust, reduce friction.
3.Rivet: 304 stainless steel , wear-resisting, no rust.

Advantage:
1.No electricity ventilation,Pull ring for assistance the Heavy Hammer
2.It can keep the shutters open at complete 90 degree to ensure the lowest air resistance and biggest air volume.

Fan protecting net
Fan protection mesh guard is made by hot-dip galvanized wire with electrostafic plastic spraying.It's no easy to get
rusty.Attractive and durable.

Frame
We has advanced production technology with automatic equipment. professional production line, NC-based professionalequipment.Auto
punching and bending. Highly-accurated. Materials is made by 275g coating weight galvanized sheet.180g also canbe choosed.

Advantage:
High strength,Strong corrosion resistance

Shutters open/close automatically
No electricity ventilation,Pull ring for assiatence the Heavy Hammer,then Shutters can open and close automatically.Opening degree:90,Thickness:0.4~0.45mm

Advantage:
Windproff ,Rainproff

WEIFANG U-ONE MACHINERY EQUIPMENT CO.,LTD is a company engaged in temperture controlled equipments,water treatment equipments and chemical raw materials, electronic products trading company. The company was established in May 2013, has many famous enterprises at home and abroad (such as SIEMENS MOTOR company) to establish a long-term friendly business relationship. Company mainly engaged in exhaust fan,cooling pad,evaporative air cooler,heater and water treatment products.

Since its inception continue to absorb a variety of talents, improve product quality, improving staff quality, in order to grow
their companies. Strict quality guarantee system and perfect management system, high-quality products after-sales service is our foothold in this, my company of "quality first, reputation first" principle, provide customers with quality and quantity of various types of products. Always uphold the "quality, integrity and pragmatic, motivated, service-oriented" business philosophy, and applies the company's management and operating among. The face of fierce competition, the company system is constantly being improved, relying on science and technology, continuously improve the technology content of products sold, for society, customers and companies to create a higher market value. My company has been in good faith to create enterprises, to credit management market, has won a good reputation, also won the respect of their domestic counterparts.
Business strictly in accordance with relevant state laws, regulations and rules of the WTO requirements management according to law, actively participate in regional economic cooperation, recent years the company has reached annual sales of as much as 5,000,000, business prospects and good, the next time, My company will expand the scale of operation and steady development of corporate economic, sincerely seeking partners, good faith cooperation and seek common development, writing a new chapter in high-tech electronics.

Q:Is your company a manufacturer or a trading company?
A:We are manufacturers,we have own trade company, we also have our own factory and design, sales team.

Q:Can you make our own brand?
A:Yes,we can provide OEM &ODM service. And we can make your brand on the products.

Q:What kind of voltage can you make, can you customize the voltage?
A:For exhaust fans and air coolers, the standard voltage we produce is 3 phase 380V 50Hz, or 1 phase 220V 50Hz, the input power is depends on the type of product. We can customize the voltage and frequency of the motor according to your requirements.

Q:What is your minimum order quantity?
A:Usually,MOQ of exhaust fan and air cooler is 10 sets, MOQ of cooling pad is one 20’ container. Small quantity we also can do,but the cost will be high.

Q:Can I have a sample to test before ordering in large quantities?
A:Yes,of course. We can offer 1 set sample for evaluation and testing.

Q: How is your after-sale service?
A: we will guide you to install and use the machine and we will provide a certain percentage of free spare parts.If your motor break in the guaranty year Period, we will send you a fresh one or compensating you for the cost of repairing the machine by giving you the discount of the same amount in the next order.

Ordering and Pricing

• Minimum order quantity: 10 set
• Volume pricing:
  • 10–19 set: US $55 / set
  • 20–99 set: US $53 / set
  • 100+ set: US $50 / set
• Ships from: China
• Customization: OEM and ODM accepted on qualifying volumes.

Frequently Asked Questions

What is the minimum order quantity for this drop hammer exhaust fan?

The standard minimum order quantity is 10 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.

What warranty is provided?

The manufacturer provides a 2 Years warranty. Spare parts and technical support remain available after the warranty period.

Which certifications does this drop hammer exhaust fan carry?

It is supplied with ce documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.

Can the drop hammer exhaust fan be supplied for my local voltage?

The standard configuration is 220V/380V. Alternative voltage and frequency builds are available when specified at the time of order.

Do you accept OEM or custom branding?

Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.

How long does production and delivery take?

In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.

About the Manufacturer

This product is produced by Weifang U-One Machinery Equipment Co., Ltd., based in China. The company 4 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Weifang U-One Machinery Equipment Co., Ltd. range on HVACR Nexus.

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