China Swung Drop Hammer Fan Manufacturers, Suppliers and Factory

Product Description

1.Product Introduction

Compared with push-pull fans, the price of the Swung Drop Hammer Fanis relatively low. The heavy hammer fan is equipped with an unpowered swing hammer, and the shutters can be opened by the air volume of the fan. This unique mechanism can ensure that the fan operate without problems for many years.

2.Product Parameter (Specification)

Swung Drop Hammer Fanspecification

DJF(a) series swung drop hammer exhaust fan(standard shutter)

Model	Drive	Blades Diameter(mm)	Blades Rotational Speed(rpm）	Motor Rotational Speed(rpm)	Air Flow (m3/h)	Input Power (W)	Noise (db）
DJF（a）-620	Direct	500	1400	1400	5700	370	<70
DJF（a）-750	Direct	600	960	960	10600	370	<70
DJF（a）-780	Direct	710	960	960	23000	750	<65
DJF（a）-780-2	Belt	710	650	1400	18000	370	<65
DJF（a）-830	Belt	720	660	1400	20000	370	<65
DJF（a）-900	Belt	750	630	1400	22000	370	<65
DJF（a）-1000	Belt	900	610	1400	25000	750	<65
DJF（a）-1060	Belt	960	600	1400	29000	750	<65
DJF（a）-1100	Belt	1000	600	1400	32500	750	<64
DJF（a）-1220	Belt	1100	460	1400	38000	750	<64
DJF（a）-1380	Belt	1270	439	1400	44000	1100	<64
DJF（a）-1530	Belt	1400	325	1400	55800	1500	<64

DJF(a)-2 small shutter swung drop hammer exhaust fan(stainless steel blades)

(11pcs of small size shutter,light weight,easier to ipen and close)

Model

Blades

Diameter(mm)

Blades

Rotational

Speed(rpm）

Motor

Rotational

Speed(rpm)

Air

Flow

(m3/h)

Input Power

(W)

Noise

(db）

dimension

Total

Pressure

(pa)

Power

parameter

DJF（a）-2-1380

1270

443

1400

44000

1100

<64

1380*1380*400

58

380V/50Hz

DJF(a)-3 small shutter swung drop hammer exhaust fan(plastic blades)

Model

Blades

Diameter(mm)

Blades

Rotational

Speed(rpm）

Air

Flow

(m3/h)

Input Power

(W)

Noise

(db）

dimension

Total

Pressure

(pa)

Power

parameter

DJF（a）-3-1380

1270

443

44000

1100

<64

1380*1380*400

58

380V/50Hz

DJF(k) series motor-drive directly swung drop hammer exhaust fan(standard shutter)

Model	Drive	Blades Diameter(mm)	Blades Rotational Speed (rpm）	Motor Rotational Speed (rpm)	Air Flow (m3/h)	Total Pressure (Pa)	Input Power (W)	Noise (db）
DJF（k）-900	Motor drive directly	750	560	560	21000	64	370	<=65
DJF（k）-1000	Motor drive directly	900	560	560	24000	69	550	<=70
DJF（k）-1060	Motor drive directly	1010	560	560	28000	69	550	<=70
DJF（k）-1100	Motor drive directly	1000	560	560	31000	69	750	<=70
DJF（k）-1220	Motor drive directly	1100	560	560	40000	74	750	<=70
DJF（k）-1380	Motor drive directly	1270	460	460	45000	57	1100	<=70

Note:power parameter can be customized

3.ProductFeature And Application

DJF(a) Series Swung Drop Hammer Exhaust fan are widely used in Agriculture and industry ventilation and cooling. It is mainly used for animal husbandry, poultry house, livestock breeding, greenhouse, factory workshop, textile etc..

4.Product Details

Swung Drop Hammer Exhaust fan details

	Fan blade is made of Krupp stainless steel by punch forming. no dust, attractive and durable. Special blades shape design ensure large air volume, no deformation, no broken, keep air volume same all the way. Thickness 1.2mm, surface finish BA grade
	Fan belt pulley is made of high strength aluminum-magnesium alloy by die-casting which reduce the weight of blade impeller complete, high corrosion resistance. Special three reinforced ribs pulley design. Blast-sanding treatment for attractive appearance, eliminate internal stress to improve its own rigidity and stability, never broken
	Both China famous motor and Siemens motor are available. Motor voltage and frequency can be customized. Chinese famous motor OEM by special design for fan, the first put in the phase lack protection device which would power off when shortage of electricity. Motor protection grade IP55, insulation class F grade
	Fan bearing adopts imported double-row bearing with special waterproof design, water can’t enter. High strength, lower noise, maintenance free and long service life
	Belts are Japanese Mitsubishi brand, ensure the long service life, maintenance free
	Using high strength nylon swung drop hammer opening device to ensure the shutters opening and closing flexibly
	Using the most advanced automatic belt tensioner to ensure working efficiency and good performance
	Fan blades are adjusted by intelligent dynamic-balance tester, each blade tolerance weight controlled within 1g. Ensure the fan smooth running, lower vibration, less noise, increase stability. Blade material have stainless steel ,galvanized sheet, aluminum alloy for option
	Hot-dip galvanized blade support and safe net ensure never rust
	Complete new CNC production line improved fan quality up to top grade, aesthetic appearance

5. Product Qualification

Our Swung Drop Hammer Exhaust fan completely change to numerical control flow production, accurately grasp the product quality, and reach the high level of the international industry

6.Deliver,Shipping And Serving

Fast and safety delivery ,best service for you.

7.FAQ

how can we guarantee quality? Always final Inspection before shipment; what can you buy from us? ventilation ,extractor,centrifugal fan,duct fan,axial fan what services can we provide? Accepted Delivery Terms: FOB, EXW,CIF；
Accepted Payment Currency: USD, CNY;
Accepted Payment Type: T/T, PayPal;
Language Spoken: English, Chinese, Spanish,Korea,Bahasa Indonesia ,Russian

Hot Tags: Swung Drop Hammer Fan, Manufacturers, Suppliers, Wholesale, Buy, Factory, Customized, In Stock, Bulk, Free Sample, Cheap, Buy Discount, Quality, Easy-Maintainable, China

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