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Product advantages

Product advantages

Performance

Dawang PMSM HVLS big energy-saving industrial fan based on aerodynamic principles,unique big blade and motor,push the natural wind,eliminate the hot,humidity,stratified,odor,dust and others.

 

15072m³/min Super Large Air Volume

8m large diameter,2400m effective area,
eliminate the muggy,moist,smoke,dust and odor.

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Comprehensive Circulation

Accelerate the air circulation,eliminate the 
temperature stratification effectively.

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Comfortable cooling

Simulate 2-3 level natural wind,evaporates the 
sweat quickly,the body feels cool down 39-45 F.

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Fewer Noise

38db Ultra fewer noise,

solve the noise problem.

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More Intelligence

APP remote control,real-time operation monitor,proactive technical support,preventive maintenance strategy.

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More Energy Saving

Max 1.2KWH,match to national high efficiency and 
energy saving standards.

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Blades

Airflow Components

A.Blade Design-streamline Variable Cross-section
Conform to aerodynamic equal chord length theory,combined with the relative linear velocity principle,the blade narrows(304-186mm) and thins(43mm-21mm) from root to tip till tail then widen,the air is more even and uniform.
B.Blade Material-aviation Aluminum Alloy
1.5mm thickness No.5052H32 aviation aluminum alloy original plate,precision CNC molding,high strength and flexibility ensure the blade not to be broken.
C.Blade Weight-more Lighter And Safer

6.7kg per blade(24ft),less blades,lighter weight,it can reduces the motor load,prolong the life,more safe and cost-efficient.

Buffer Device-efficient Components

A.Epdm Buffer Rubber
EPDM high-strength rubber in the buffer cavity,it absorbs the blade stress and airflow vibration,reducing the motor load,extend the motor life and more quieter.
B.Upward 0-1.5 Degree

The buffer cavity with the groove adjusts freely to upward 0-1.5 degree when the fan runs under the airflow,eliminate the reverse force generated during the operation,reducing the rebound and pressure then forms a conical airflow to cover more areas.

Mortise And Tenon Connection

Safety Core

A.Blade and Petiole

Mortise and tenon connection:
The convex petiole with concave buffer device form the Joint engaged,eliminate the centrifugal force from the blades when the fan is running and the shear force when the fan starts and stops.
The transverse screw is the same direction with fan running track to avoiding the shear in order to ensure the blade will not broken,eliminate the possible Safety hazards radically.

B.Petiole and Wheel Hub
The concave-convex section integrates the petiole and hub/motor,the whole fan withstand the centrifugal force and all fasteners are not stressed.
C.Motor and Flange Roulette 

Anti-falling ring(Geared motor Fan):Connect the 5 petioles into a whole to form the sleeve with frame lower hub to prevent the hub from falling.
Anti-falling roulette(PMSM fan):The concave flange roulette engaged with the convex anti-falling ring each other under the gravity to ensure the reliable connection between the flange roulette and motor.

这是描述信息

10+ security guarantee

10+ unique security guarantees to ensure the user's safety.

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STREAMLINED VARIABLE CROSS-SECTION

Conform to aerodynamic equal chord length theory,combined with the relative linear velocity principle,the blade narrows and thins from root to tip till tail then widen,the air is more even and uniform.

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AVIATION ALUMINUM PLATE

1.5mm thickness 5052 Ultra-high toughness aviation aluminum plate can load more than 3Ton tensile to ensure the blade can deform quickly and absorb external force effectively, It can prevent the blade from breaking,avoid the damage to the motor and other structural parts greatly.

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BLADE HIGH-STRENGTH CONNECTION

Each blade is fixed with the buffer cavity by 16pcs high-strength rivets, each rivet can load 1.5 ton shear force.

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BUFFER DEVICE

The blade and petiole flexible connects with buffer device, the rubber absorbs the most vibration from blades when running.

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ANTI-FALLING RING

The concave flange are engaged with the convex anti-falling ring each other under the gravity to ensure a reliable connection between the flange and motor.

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SAFETY RING

Connect the 5 petioles into a whole to form the sleeve with the frame lower hub to prevent the petioles from falling.

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MORTISE AND TENON PETIOLE CONNECTION

The convex petiole with concave buffer device form the Joint engaged,eliminate the centrifugal force from the blades when the fan is running and the shear force when the fan starts and stops.

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HIGH-TENSILE STRENGTH PETIOLE

6061-T6 petiole,high strenght,HB90 hardness,it has good corrosion resistance with 205MPa tensile strength.

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WIRE ROPE WIND PROTECTION

Mounting bracket and I Beam winded with 1000KG tensile wire rope to prevent sliding and falling.

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WIRE ROPE BALANCE PROTECTION

Four wire ropes are fixed with building traction to prevent shaking and falling.

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STREAMLINED VARIABLE CROSS-SECTION

Conform to aerodynamic equal chord length theory,combined with the relative linear velocity principle,the blade narrows and thins from root to tip till tail then widen,the air is more even and uniform.

baozhang

AVIATION ALUMINUM PLATE

1.5mm thickness 5052 Ultra-high toughness aviation aluminum plate can load more than 3Ton tensile to ensure the blade can deform quickly and absorb external force effectively, It can prevent the blade from breaking,avoid the damage to the motor and other structural parts greatly.

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BLADE HIGH-STRENGTH CONNECTION

Each blade is fixed with the buffer cavity by 16pcs high-strength rivets, each rivet can load 1.5 ton shear force.

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BUFFER DEVICE

The blade and petiole flexible connects with buffer device, the rubber absorbs the most vibration from blades when running.

baozhang

ANTI-FALLING RING

The concave flange are engaged with the convex anti-falling ring each other under the gravity to ensure a reliable connection between the flange and motor.

baozhang

SAFETY RING

Connect the 5 petioles into a whole to form the sleeve with the frame lower hub to prevent the petioles from falling.

baozhang

MORTISE AND TENON PETIOLE CONNECTION

The convex petiole with concave buffer device form the Joint engaged,eliminate the centrifugal force from the blades when the fan is running and the shear force when the fan starts and stops.

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HIGH-TENSILE STRENGTH PETIOLE

6061-T6 petiole,high strenght,HB90 hardness,it has good corrosion resistance with 205MPa tensile strength.

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WIRE ROPE WIND PROTECTION

Mounting bracket and I Beam winded with 1000KG tensile wire rope to prevent sliding and falling.

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WIRE ROPE BALANCE PROTECTION

Four wire ropes are fixed with building traction to prevent shaking and falling.

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Phone/Whatsapp:+86 189 215 00189
E-mail:sales@dawangfanschina.com

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