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Backward Curved FRP Centrifugal Fan - Industrial Fans

Backward Curved FRP Centrifugal Fan

Corrosion-resistant FRP centrifugal fan

Airflow1,000~77,000 m3/h (588~45,294 CFM)
Pressure Range100~3,080 Pa (0.4~12.37 in.WG)
Motor Power0.75~75 kW
MaterialFRP / PVC Lined
CertificationsISO9001
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โœ“ Direct Manufacturer โœ“ 30+ Years Experience โœ“ 50+ Countries Served โœ“ Full Customization

Product Overview

Corrosion-resistant FRP (Fiberglass Reinforced Plastic) centrifugal fan for chemical processing, coastal installations, and corrosive environments.

Key Features

  • FRP impeller and housing for corrosion resistance
  • Suitable for acid/alkali environments
  • Lightweight yet durable construction
  • Available in various resin systems

Procurement & Commercial Terms

Minimum Order Quantity1 unit (made to order)
Production Lead Time15โ€“30 working days after deposit confirmation
Delivery TermsFOB Qingdao / EXW Dezhou, China
Payment TermsT/T 30% deposit, 70% before shipment; L/C at sight accepted
Warranty18 months from shipment
OEM / ODMAvailable โ€” custom airflow, pressure, material & voltage
CertificationsISO9001

Why specify Keruite: With an airflow range of 1,000~77,000 m3/h (588~45,294 CFM) and pressure up to 100~3,080 Pa (0.4~12.37 in.WG), the Backward Curved FRP Centrifugal Fan is engineered for demanding Chemical plants duties and built from FRP / PVC Lined for long service life. As a direct manufacturer since 1995 with an 80,000 mยฒ production base and equipment exported to 50+ countries, we supply the Backward Curved FRP Centrifugal Fan with full performance test reports, general arrangement drawings, and factory-audit support. Request a quotation →

Key Features

  • โœ“ Corrosion resistant
  • โœ“ FRP construction
  • โœ“ Chemical resistant
  • โœ“ Lightweight

Applications

  • โ— Chemical plants
  • โ— Coastal installations
  • โ— Waste water treatment

Compliance & Certifications

โœ…
CCC
China Compulsory Cert.
โœ…
CE
EU Conformity Mark
โœ…
ISO 9001
Quality Management
โœ…
ATEX
Explosion-Proof (Ex d)

Note: Specific certifications available depend on product type and market. For ATEX/Ex d applications, please specify gas group, temperature class, and zone classification in your inquiry. Full type test certificates and Declarations of Conformity are included with every Ex-rated unit.

Videos From Our Factory

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Performance Curve

Airflow (mยณ/h) Pressure (Pa) Max Speed Mid Speed Low Speed

Representative performance curves at different speeds. Contact us for detailed performance data specific to your required model and operating conditions.

Dimensions & Installation

Inlet Outlet Motor L (Length) H (Height) W (Width)

Schematic dimension diagram. Exact dimensions vary by model number. Request the technical datasheet for precise specifications.

Frequently Asked Questions

What is the airflow range of the Backward Curved FRP Centrifugal Fan?

The Backward Curved FRP Centrifugal Fan delivers an airflow range of 1,000~77,000 m3/h (588~45,294 CFM). Contact us with your specific requirements for precise model selection.

What motor power options are available?

Motor power ranges from 0.75~75 kW. We offer standard IE2/IE3 efficiency motors and can customize voltage and frequency for your region (380V/50Hz, 460V/60Hz, etc.).

What materials are available for construction?

Standard construction materials include: FRP / PVC Lined. Custom materials such as SS316L, FRP, or special coatings are available upon request for corrosive or high-temperature environments.

Do you provide customization for specific applications?

Yes. As a direct manufacturer with 30+ years of experience, Keruite offers full customization including airflow, pressure, material, voltage, motor brand, and special features (explosion-proof, high-temperature, corrosion-resistant). Send us your specifications via the inquiry form.

What certifications does this product have?

This product holds the following certifications: ISO9001. Full certification documents are available upon request.

What is the typical lead time for production?

Standard models typically have a 15-25 day production lead time. Custom or made-to-order units may require 30-45 days depending on specifications and quantity. Contact us for an accurate delivery estimate based on your order.

Selection Guide

Follow these steps to select the right Backward Curved FRP Centrifugal Fan model for your application.

1

Determine Required Airflow

Calculate the total airflow needed for your space. The Backward Curved FRP Centrifugal Fan covers 1,000~77,000 m3/h (588~45,294 CFM). Consider room volume, air changes per hour (ACH), and ventilation standards (ASHRAE 62.1, EN 16798-1).

2

Calculate System Pressure

Account for duct resistance, filters, dampers, and fittings. The Backward Curved FRP Centrifugal Fan handles pressure up to 100~3,080 Pa (0.4~12.37 in.WG). Add 10-15% safety margin to your calculated total static pressure.

3

Select Motor Power

Available motor power: 0.75~75 kW. Choose IE3 high-efficiency motors for continuous operation. Ensure your power supply matches the rated voltage and frequency.

4

Choose Material & Coating

Standard: FRP / PVC Lined. For corrosive environments, upgrade to SS316L or FRP. For high-temperature applications (>150ยฐC), request heat-resistant coating and Class H motor insulation.

5

Confirm Installation & Control

Verify mounting orientation, inlet/outlet dimensions, and control requirements (VFD, two-speed, or on/off). Download the installation manual or contact our engineering team for assistance.

7

Request a Quotation

Submit your specifications via the inquiry form. Include airflow, pressure, voltage, application, and quantity. Our engineers will review and provide a detailed quotation within 24 hours.

Request a Quote Request a Technical Proposal Download Catalog

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Interested in Backward Curved FRP Centrifugal Fan?

Send us your specifications โ€” airflow, pressure, voltage, and application โ€” for a tailored quotation within 24 hours.