
CRDV In-Line / Roof Mounted Plastic Fans
- Handles up to 125,000 CFM airflow capacity
- Spark-resistant PPs-EL for explosive atmospheres
- 25+ year service life with low maintenance
Industrial roof exhaust and ventilation fans designed for demanding chemical, corrosive, industrial, wastewater, laboratory, and spark-sensitive environments. Product options include thermoplastic blowers, in-line roof-mounted fans, and FRP axial fans, providing corrosion resistance, configurable installation, quiet operation, and dependable gas-stream ventilation.






The best roof exhaust fan depends on airflow, static pressure, gas chemistry, installation arrangement, and spark or explosion requirements. IPF Colasit offers in-line and roof-mounted thermoplastic fans, including CRDV configurations, as well as FRP axial fans. Product materials include PVC, polypropylene, spark-resistant PPs-EL, and FRP for different industrial ventilation conditions.
Talk to our experts for custom solutions and tailored guidance.

Roof-mounted and in-line thermoplastic fans ventilate corrosive chemical gas streams and process exhaust safely.

FRP axial fans and plastic blowers support corrosive gas ventilation in wastewater treatment plants and related systems.

Corrosion-resistant fans help exhaust acidic and chemical fumes from laboratory fume hood ventilation systems.

Plastic and FRP ventilation fans support aggressive chemical exhaust from semiconductor and electronics finishing processes.
Talk to our experts for custom solutions and tailored guidance.
IPF Colasit brings more than 75 years of experience developing ventilation equipment for harsh, chemical-laden industrial gas streams.
PVC, polypropylene, spark-resistant PPs-EL, and FRP options help address corrosive, high-risk, and application-specific ventilation requirements.
Products have been supplied to more than 40,000 facilities across North and South America, supported by a close Colasit AG relationship.
Share your application, installation requirements, and operating conditions to receive guidance on product selection and available configurations.
For immediate assistance, feel free to give us a direct call at 1-800-891-3656. You can also send us a quick email at adamc@ipfcolasit.com.
For immediate assistance, feel free to give us a direct call at 1-800-891-3656. You can also send us a quick email at adamc@ipfcolasit.com.