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Corrosion Resistant Fans

QIYUE FAN · Material-Based Chemical Exhaust Solutions

Corrosion-Resistant Fans for Chemical, Wet Scrubber & Severe Process Exhaust

304 / 316L Stainless · PPH · PVDF · FRP · Titanium

QIYUE FAN supplies corrosion-resistant centrifugal fans for acid mist, alkaline vapor, wet scrubber exhaust, wastewater treatment, laboratory fumes, electroplating, pickling and selected severe chemical-duty systems.

Airflow and pressure select the fan platform. Gas chemistry, concentration, moisture, temperature, particles and fan position determine the material and construction scope.

Get Fan Selection Support → Chemical Exhaust System → Material Selection Guide →
01 · Six Material Directions

Start with Material Direction, Not Material Assumption

The process name alone is not enough. “Acid mist,” “chlorine,” “wastewater gas” and “chemical vapor” can create very different corrosion conditions depending on concentration, moisture, temperature, condensation and fan position.

304 Stainless
Humid air and mildly corrosive process exhaust.
316L Stainless
Wet process exhaust and selected chloride-risk duty.
PPH
Selected compatible acids, alkalis and chemical fumes.
PVDF
Selected severe chemical and high-purity process duty.
FRP
Compatible acid mist, humid gas and composite fan duty.
Titanium
Selected wet chlorine, seawater and severe special-corrosion projects.
02 · How Selection Works

Selection Starts with the Actual Gas Medium

Material choice and aerodynamic selection must be reviewed together. The same fan material can behave very differently when temperature, condensation, chlorides, solvents, solids or scrubber carryover change.

01
Gas Chemistry
Acids · alkalis · solvents · chlorine · salts · oxidizers
02
Concentration & Moisture
Humidity · droplets · condensate · concentration range
03
Temperature & Particles
Normal · peak · shutdown · crystals · dust · abrasion
04
Fan Duty & Scope
Airflow · pressure · position · drive · gas-contact parts
03 · Direct Product Entry

Browse Corrosion-Resistant Fans by Material

Select a material family below to open the corresponding product page. Final suitability still depends on exact chemistry, concentration, moisture, temperature, particles and fan position.

304 Stainless Steel
304 Stainless Steel Corrosion-Resistant Fan
For humid air, cleaner process exhaust and mildly corrosive ventilation after chloride and condensate review.
View 304 Stainless Fan →
316L Stainless Steel
316L Stainless Steel Corrosion-Resistant Fan
For wet process exhaust, scrubber systems and selected chloride-risk environments.
View 316L Stainless Fan →
PPH Polypropylene
PPH Corrosion-Resistant Centrifugal Fan
For selected compatible acid mist, alkaline vapor, laboratory, pickling and wastewater exhaust.
View PPH Fan →
PVDF Fluoropolymer
PVDF Corrosion-Resistant Centrifugal Fan
For selected severe chemical, oxidizing and high-purity process exhaust after exact compatibility review.
View PVDF Fan →
FRP Composite
4-72 Type FRP Corrosion-Resistant Fan
For compatible chemical exhaust, acid mist, humid gas and composite fan applications.
View FRP Fan →
Titanium / Titanium Alloy
Titanium Corrosion-Resistant Centrifugal Fan
For selected wet chlorine, seawater-related and severe special-corrosion projects.
View Titanium Fan →
04 · Material Selection Matrix

Quick Comparison by Starting Point and Review Focus

This is preliminary screening only. It is not a universal chemical compatibility chart.

304 Stainless
Start: humid / mildly corrosive air
Review: chlorides, condensate, cleaning chemistry
316L Stainless
Start: wet process / selected chloride risk
Review: condensate chemistry, crevices, droplets
PPH
Start: compatible acid / alkali exhaust
Review: solvents, oxidizers, temperature, stiffness
PVDF
Start: selected severe / high-purity duty
Review: exact resin, strong alkalis, welding
FRP
Start: acid mist / humid chemical exhaust
Review: resin system, temperature, abrasion, UV
Titanium
Start: wet chlorine / seawater / special corrosion
Review: grade, reducing acids, crevices
05 · Choose by Application

Typical Corrosive Exhaust Systems

The process identifies the application. The actual gas reaching the fan determines the material.

Chemical Plant Exhaust
Reactors, tanks, production lines and corrosive process-gas collection.
Wet Scrubber Exhaust
Humidity, droplet carryover, scrubber chemistry and condensate review.
Electroplating & Pickling
Acid mist, alkaline vapor, tank exhaust and surface-treatment ventilation.
Wastewater Treatment
Humid odor-control gas, H₂S, chemicals and condensation risk.
Laboratory Fume Exhaust
Fume hoods, mixed chemicals, intermittent use and duct compatibility.
Chloride / Seawater / Chlorine
Salt-laden or chlorine-containing duty requiring moisture and grade review.
06 · Corrosive Exhaust Route

The Fan Position Changes the Material Duty

A fan before a scrubber can face untreated chemistry and higher temperature. A fan after the scrubber can face cooler but wetter gas, droplets and condensate.

01
Process Source
Tank · reactor · hood
02
Gas Collection
Enclosure · resistant duct
03
Scrubber / Filter
Treatment + chemistry
04
Corrosion-Resistant Fan
Material at fan position
05
Stack / Outlet
Direction + resistance
Fan After the Scrubber
Cooler but Wetter Gas
Review humidity, droplets, condensate, scrubber chemistry, mist-eliminator performance and shutdown accumulation.
Fan Before the Scrubber
Untreated Chemistry
Review higher concentration, temperature peaks, particles and potentially more severe direct chemical exposure.
07 · Buyer Selection Checklist

Send Medium Data and Fan Duty Together

Medium & Corrosion Data
• Gas composition: main and trace components
• Concentration: normal and maximum
• Temperature: normal, peak, cleaning and shutdown
• Moisture: humidity, droplets, dew point and condensate
• Particles: loading, size, hardness and stickiness
• Process changes: cleaning agents and upset conditions
• Material preference: FRP, stainless, PPH, PVDF or titanium
• Documentation: certificates, traceability and inspection needs
Fan & Installation Data
• Airflow: normal and maximum duty
• Pressure: static or total pressure
• Fan position: before or after treatment equipment
• Drive arrangement: direct, belt or coupling
• Duct layout: connection, outlet angle and external loads
• Installation: indoor, outdoor, platform and access
• Motor: voltage, frequency, VFD and hazardous area
• Quantity and destination
08 · Frequently Asked Questions

Corrosion-Resistant Fan Selection FAQ

How is the material for a corrosion-resistant fan selected?
Material selection should consider chemistry, concentration, moisture, temperature, particles, fan position and structural requirements together rather than selecting from the process name alone.
Can the same fan material be used for every chemical exhaust system?
No. Material compatibility can change with concentration, temperature, moisture, condensation, solvents, oxidizers, solids and cleaning conditions.
Why does the fan position in the exhaust system matter?
A fan before a scrubber may face untreated chemistry and higher temperature, while a fan after treatment may face high humidity, droplets, scrubber carryover and condensate.
Should airflow and pressure be selected before the material?
Aerodynamic duty and material selection should be reviewed together. Airflow and pressure define the fan platform while process conditions determine the gas-contact material and construction scope.
Where can I compare individual fan materials?
Use the six dedicated material product pages above for 304, 316L, PPH, PVDF, FRP and titanium fan options, then confirm compatibility against the actual process conditions.
What information is required for quotation?
Provide airflow, pressure, gas composition, concentration, temperature, humidity, particles, fan position, motor requirements, material preference, quantity and destination.
09 · Related Selection Resources

Continue from Material to System Selection

Chemical Plant Exhaust System
Review source, scrubber resistance, condensate and fan position.
Industrial Fan Material Guide
Compare carbon steel, stainless, FRP, PPH, PVDF and titanium.
Industrial Fan Selection Guide
Start from airflow, pressure, medium, temperature and installation.
Project Selection Support

Confirm the Medium Before Confirming the Fan Material

Send gas chemistry, concentration, temperature, moisture, particles, airflow, pressure, fan position, installation and material requirements. QIYUE FAN can review the appropriate material direction and fan configuration before quotation.

Send Corrosive Gas Details → Open Fan Selection Center →
Corrosion-Resistant Fan Product Catalogue
The automatic product listing below is supplemental. Use the six material-based product cards above as the primary corrosion-resistant fan selection path.

With abundant experience, we are one of the most reliable corrosion resistant fans manufacturers and suppliers in China. Please feel free to wholesale high quality corrosion resistant fans made in China here from our factory. We also accept customized orders.

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