Metal Blade Fans For Extreme Industrial Environments

Q: 4. Can I replace plastic blades on my existing LINKWELL fan with metal ones?

In most cases, yes. We provide retrofit metal blade kits for field replacement. Re‑balancing required – we supply instructions or you send the rotor assembly back.

AC · DC · EC platforms — retrofitted with precision metal impellers. Not a new product line, but a certified capability for high‑heat, continuous vibration, and corrosive duty.

exhaust fan metal blade

20 inch box fan with metal blades

industrial oscillating fan metal blades

high temperature industrial fan

high speed pedestal fan with metal blade

wall mounted fan with metal blades

heavy duty cooling fan

Not a “metal blade” SKU — It’s a process certification

Plastic-to-metal retrofitting

We don’t reinvent motors. We take our proven AC/DC/EC platforms (50,000h life, IP68 ready) and engineer the blade swap. The challenge: resonance suppression, high‑G balancing, and thermal expansion matching. Solved.

Dynamic balancing grade:

High-efficiency EC fans for maximum energy yield and outdoor durability with IP55 protection.

Material science & coating

Aluminium alloy 5052 / 6061, stainless steel 304 optional. Thickness up to 1.5mm. Anti‑corrosion: anodized, epoxy or PTFE coating for chemical/offshore environments. Fatigue tested >10M cycles.

Salt spray test:

72h+ (standard) / 240h+ (custom coating)

Why LINKWELL for Metal Blade Fans

Lean production

Precision stamping + CNC riveting. Same lean lines as our AC/DC fans — stable quality, short lead time.

Two‑plane balancing

Schenck dynamic balancers. Resonance window shifted away from operating RPM. ≤ 0.2g residual unbalance on 16” blades.

Motor-match database

200+ existing impeller/hub interfaces. We know which of our AC/DC/EC frames accept metal blades with zero tooling change.

100% run test

Every metal-blade fan undergoes 15‑min vibration & current logging. Reports available per unit.

Metal vs. Plastic: Not “better” — but mandatory for these conditions

Parameter	Plastic Blade (Standard)	LINKWELL Metal Blade
Max Continuous Operating Temperature	50°C – 70°C (risk of creep)	85°C – 150°C+ (alloy dependent)
Humidity / Chemical Resistance	Susceptible to stress cracking	Anodized / coated – salt spray 72h+
Erosion (Dust, Particulate)	Soft, erodes rapidly	High surface hardness, lifespan 3×–5×
Dynamic Stability @ High RPM	Deformation above 3500 RPM	Stable up to 8000 RPM (DC platform)
Typical Application	HVAC, comfort cooling	Inverter, welding, foundry, offshore

Deployed in extreme industries

Inverters generate significant heat in compact spaces. Without proper cooling, performance degrades and components fail prematurely.

Outdoor cabinet, 65°C ambient, 24/7 operation.

9” metal blade DC fan

Sparks + ferrous dust. Plastic blades melted/destroyed in 300h.

IP68, stainless steel

Salt fog, high vibration.

316SS option

Deployed in extreme industries

Inverters generate significant heat in compact spaces. Without proper cooling, performance degrades and components fail prematurely.

server rack cooling

machine tool cabinet

EV charger station

foundry ventilation

AC/DC/EC platforms with metal-blade validation

Series	Motor Type	Metal Blade Sizes (inch)	Max. Static Pressure	IP / Balancing
FAC Series	AC Shaded Pole	10”, 12”, 16”	180 Pa	IP54, G2.5
FDC Series	Brushless DC	9”, 12”, 16”, 20”	320 Pa	IP68, G1.0 (Optional)
FEC Series	EC (AC Input)	14”, 18”, 22”	280 Pa	IP54, G2.5
Custom	Any Existing Frame	Retrofit up to 26”	—	Per Customer Specification

AC Cooling Fan Supplier Product Specifications (110V / 115V / 220V / 230V)

110V AC cooling fan supplier/115V AC cooling fan supplier/220V AC cooling fan supplier/230V AC cooling fan supplier

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LKA08025

80×80×25

110, 220

12/11

2500/2800

16.5/18.2

LKA08038

80×80×38

110, 220

13/12

2300/2500

47.6/56.1

LKA09225

92×92×25

110, 220

12/11

2350/2700

42.2/52.7

LKA11025

110×110×25

110, 220

12/11

2000/2200

41/45

LKA12025

120×120×25

110, 220

12/11

1800/2000

45/52.8

LKA12038-5

120×120×38

110, 220

19/18

2600/2900

77/82

LKA12038-7

120×120×38

110, 220

19/18

2500/2700

80/88

LKA13538

135×135×38

110, 220

20/18

2600/2800

86/95

LKA15051-5

150×150×51

110, 220

30/28

2700/3000

150/160

LKA15051-7

150×150×51

110, 220

32/30

2500/2600

175/185

LKA17238-M

172×150×38

220

30/29

2800/3300

184/225

LKA17251-5

172×150×51

110, 220

30/28

2700/3000

150/160

LKA17251-7

172×150×51

110, 220

32/30

2500/2600

175/185

LKA17252-M

172×172×52

220

40/39

2700/3200

233/281

LKA17255

172×162×55

110, 220

37/35

2800/3100

175/190

LKA18060

180×180×60

110, 220

42/40

2700/3000

260/290

LKA20060

202×202×60

110, 220

45/42

2600/2700

320/330

LKA20572

205×205×72

110, 220

60/80

2800/3200

630/680

LKA22060

220×60

110, 220

45/42

2600/2700

320/330

LKA22060-M

220×220×60

220

61/77

2550/2780

585/649

LKA22580

225×225×80

110, 220

55/65

2600/2800

500/545

LKA25489

254×89

110, 220

50/70

2550/2450

492/433

LKA25490

254×254×90

220

86/104

2660/3000

860/1003

LKA28080

280×280×80

110, 220

110/150

2550/2700

1015/1050

Category	Airflow Focus	Static Pressure Focus
115v / 110v ac cooling fan	Stable airflow under rated voltage	Suitable for enclosed and semi-enclosed systems
220v / 230v ac cooling fan	Consistent airflow for continuous operation	Reliable pressure for industrial environments
120mm / 3 inch / 4 inch ac cooling fan	Size-matched airflow output	Balanced pressure for space-limited designs
24v / 12v ac cooling fan	Controlled airflow in low-voltage systems	Optimized pressure for compact applications

DC Fan Series

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LK8025

80×80×25

12, 24, 48

0.96 – 3.00

2500 – 4000

26.67 – 44.05

LK8038-HP

80×80×38

12, 24, 48

2.88 – 21.60

4000 – 8000

46.54 – 102.23

LK9225

92×92×25

12, 24, 48

1.56 – 6.24

2500 – 4500

38.12 – 73.2

LK9238-HP

92×92×38

12, 24, 48

3.24 – 21.60

4000 – 7500

67.27 – 126.12

LK12025

120×120×25

12, 24, 48

1.80 – 7.20

2000 – 3500

60.23 – 105.4

LK12038

120×120×38

12, 24, 48

3.60 – 19.20

2500 – 4500

95.54 – 171.7

LK12038-HP

120×120×38

12, 24, 48

9.60 – 36.00

3500 – 5500

155.64 – 244.57

LK15050

150×150×50

12, 24, 48

13.20 – 42.24

3000 – 4500

220.94 – 311.41

LK17250

172×150×51

12, 24, 48

14.40 – 43.20

3000 – 4500

215.64 – 306.42

LK17250D

172×150×51

24, 48

156 – 245

6500 – 8000

490 – 605

LK20060

200×200×60

12, 24, 48

25.80 – 65.76

2500 – 3500

380.17 – 532.24

LK20572

205×205×72

12, 24, 48

57.6 – 120.0

2200 – 3300

531.3 – 798.3

LK22060

220×60

12, 24, 48

24.0 – 57.6

2000 – 3000

396.7 – 581.0

LK22580

225×225×80

12, 24, 48

57.6 – 120

2200 – 3300

533.5 – 806.0

LK25489

254×89

12, 24, 48

19.2 – 96

2000 – 3000

628.3 – 970.1

LK28080

280×280×80

12, 24, 48

57.6 – 168.0

2000 – 3000

790.1 – 1209.1

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LKE6025

60×60×25

110~240

2, 4, 6

4000, 6000, 8000

14.1~28.7

LKE7025

70×70×25

110~240

2, 3, 4

2500, 3000, 3500

21.6~29.9

LKE8025

80×80×25

110~240

3, 4, 5

2400, 2800, 3200

26.3~35.2

LKE8038

80×80×38

110~240

3, 4, 6

2500, 3000, 3500

29.7~44.2

LKE9225

92×92×25

110~240

3, 5, 6

2000, 2500, 2800

30.1~42.1

LKE9238

92×92×38

110~240

4, 5, 7

2500, 3000, 3500

50.1~71.0

LKE12025

120×120×25

110~240

3, 4, 7

1800, 2200, 2600

55.6~79.6

LKE12038-7

120×120×38

110~240

6, 8, 12, 18

2500, 3000, 3500, 4000

110.7~170.6

LKE12038-5

120×120×38

110~240

6, 8, 12, 18

2500, 3000, 3500, 4000

79.3~125.0

LKE15051

150×150×51

110~240

16, 22, 35

2500, 3000, 3500

182.2~258.1

LKE17251-A

172×150×51

110~240

16, 22, 35

2500, 3000, 3500

177.4~253.9

LKE17251-B

172×51

110~240

16, 22, 35

2500, 3000, 3500

179.6~254.8

LKE20060

200×200×60

110~240

25, 45

2000, 2500

392.8~493.3

LKE20572

205×205×72

110~240

60, 95, 145

2500, 3000, 3600

602.7~851.7

LKE22060

220×60

110~240

25, 45

2000, 2500

396.6~490.8

LKE22580

225×225×80

110~240

60, 95, 145

2500, 3000, 3600

619.2~869.5

LKE25489

254×89

110/120~220/240

110, 115, 145

2000, 2500, 3200

628.3~981.6

LKE28080

280×280×80

110~240

45, 75, 145

2000, 2500, 3200

790.1~1225.7

FAQ of Metal Blade Fans

1. Do you offer mixed orders – plastic and metal blades on the same motor frame?

Yes. More than 70% of our AC/DC/EC fans share identical motor and housing; only the impeller changes. We can mix both in one container. Specify part numbers.

2. What is the lead time for a prototype metal blade fan?

Yes. More than 70% of our AC/DC/EC fans share identical motor and housing; only the impeller changes. We can mix both in one container. Specify part numbers.

If the blade diameter fits an existing hub pattern: 10 working days for up to 5 pcs. New hub tooling: 25–30 days. We prioritize quick trials for OEM qualification.

3. How do you prevent resonance at variable speeds?

We perform FEM modal analysis on every new metal blade geometry. The first bending mode is shifted >1.5x operating frequency. Combined with soft mounts if needed.

4. Can I replace plastic blades on my existing LINKWELL fan with metal ones?

In most cases, yes. We provide retrofit metal blade kits for field replacement. Re‑balancing required – we supply instructions or you send the rotor assembly back.

5. Are metal blade fans noisier than plastic?

Not inherently. With our G2.5 balancing and optimized blade angle, the noise spectrum is similar. Some customers report lower annoying high-order tones due to stiffness.

Metal Blade Fans For Extreme Industrial Environments

exhaust fan metal blade

20 inch box fan with metal blades

industrial oscillating fan metal blades

high temperature industrial fan

high speed pedestal fan with metal blade

wall mounted fan with metal blades

heavy duty cooling fan

Not a “metal blade” SKU — It’s a process certification

Plastic-to-metal retrofitting

Dynamic balancing grade:

Material science & coating

Salt spray test:

Why LINKWELL for Metal Blade Fans

Lean production

Two‑plane balancing

Motor-match database

100% run test

Metal vs. Plastic: Not “better” — but mandatory for these conditions

Deployed in extreme industries

9” metal blade DC fan

IP68, stainless steel

316SS option

Deployed in extreme industries

server rack cooling

machine tool cabinet

EV charger station

foundry ventilation

AC/DC/EC platforms with metal-blade validation

AC Cooling Fan Supplier Product Specifications (110V / 115V / 220V / 230V)

DC Fan Series

FAQ of Metal Blade Fans

1. Do you offer mixed orders – plastic and metal blades on the same motor frame?

2. What is the lead time for a prototype metal blade fan?

3. How do you prevent resonance at variable speeds?

4. Can I replace plastic blades on my existing LINKWELL fan with metal ones?

5. Are metal blade fans noisier than plastic?

Ready to Solve Your Cooling Challenge