The QIYUE FAN Polypropylene (PPH) Corrosion-Resistant Centrifugal Fan is a project-configured plastic centrifugal fan for selected acid mist, alkaline vapor, laboratory, electroplating, pickling, wastewater treatment and chemical process exhaust applications.
The casing, impeller, inlet cone and other gas-contact components can be fabricated from polypropylene homopolymer sheets and profiles. Airflow, pressure, fan speed, material thickness and reinforcement are selected according to the actual system duty.
Each polypropylene chemical exhaust fan requires compatibility review for gas composition, concentration, temperature, moisture, particles, solvents, oxidizing agents and operating duration.
Submit Operating Data for PPH Fan Selection →Exhaust
Exhaust
Pickling Lines
Treatment
Fume Hood
Wet System
Compatibility depends on the exact chemical, concentration, temperature, exposure time and mixed-media condition.
Selected inorganic acids, alkaline vapor, salt solution and corrosive humid-air duties may support PPH construction after data review.
Oxidizer type, concentration, temperature and exposure time can change the suitability of polypropylene substantially.
Solvent swelling, extraction, stress cracking and permeation must be assessed from exact chemical data.
Mixed waste gas, unknown contaminants, cleaning chemicals and process changes require conservative verification.
Normal, peak and shutdown temperatures affect stiffness, welding integrity, creep and material compatibility.
Diameter, blade form, hub design, reinforcement and balancing are selected for the required pressure and speed.
Casing ribs, flange support, base design and duct isolation must control deformation and external loading.
The complete fan does not need to be manufactured from one material.
Material grade alone cannot compensate for poor preparation, welding or reinforcement.
Confirm PPH grade, sheet thickness and project documentation.
Control cutting, beveling, cleaning and fit-up before welding.
Match temperature, speed, pressure and filler material to the joint.
Review weld continuity, corners, penetrations and leakage paths.
Balance the completed plastic impeller for the selected operating speed.
Check alignment, clearance, fasteners, support and vibration isolation.
Review project fire classification, indoor installation requirements and material certification before selection.
Electrically conductive material may be considered where static accumulation and hazardous vapor risk require review.
UV exposure, rain, ambient temperature, support design and long-term weathering must be considered for outdoor installation.
Use suitable flexible connectors to isolate vibration and prevent duct expansion or misalignment from loading the casing.
Review drain points, scrubber carryover, liquid accumulation, low points and cleaning procedures.
Select a stable base, vibration isolators and alignment method for the complete fan and motor assembly.
The product family can be configured for different low-to-medium pressure chemical exhaust duties.
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Configuration Item
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Available Direction
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Selection Basis
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Fan Platform
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Standard or custom centrifugal fan
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Airflow, pressure, gas density and system resistance
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Drive Arrangement
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Direct, belt or coupling
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Fan size, speed control, maintenance and installation
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Motor Type
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Standard, VFD-compatible or project motor
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Power supply, hazardous area, speed range and control method
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Material Option
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PPH, flame-retardant or conductive PP direction
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Chemical compatibility, fire, static and certification requirements
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Review the industrial fan material selection guide before finalizing the fan material.
No. Suitability depends on the exact chemical, concentration, temperature, exposure time and mixed-media condition.
Not automatically. Solvents may cause swelling, extraction, stress cracking or permeation and require separate review.
Not necessarily. Flame-retardant and conductive polypropylene are separate project material directions that must be specified and documented.
No. Impeller diameter, speed, temperature, stiffness, reinforcement and balance must be reviewed together.
Yes, when the outlet chemistry, droplet carryover, condensate, drainage and required fan pressure are confirmed.
Provide airflow, pressure, chemical composition, concentration, temperature, moisture, particles, fan position, installation and special material requirements.
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