What is the lead time for orders?

Lead time is 1-3 months during peak season and one month during off-season.

What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, and Western Union.

What is the motor technology used?

It uses EC (Electronically Commutation) motors with an outer rotor permanent magnet synchronous design.

High-Performance 220V Backward Curved Centrifugal Fans for Efficient Airflow

Name: High-Performance 220V Backward Curved Centrifugal Fans for Efficient Airflow
Brand: Ningbo Ecoair Environmental Technology Co., Ltd.
SKU: 2013813045

Zhejiang, ChinaNingbo Ecoair Environmental Technology Co., Ltd.

US$250.00

10-999 Pieces

US$230.00

1,000-4,999 Pieces

US$180.00

5,000+ Pieces

Sample price:US$250.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Usage

for Experiment, for Air Conditioner, for Manufacture, for Refrigerate

Model NO.

Axial Fans with External Rotor Motors

Flow Direction

Axial Flow

Pressure

Low Pressure

Certification

ISO, CE

Type

Backward Curved Centrifugal Fans

Motor Technology

Ec Outer Rotor

Supply Voltage

1-. 200-277V. 50/60Hz

Mode of Operation

Protection Class

IP54

Insulation Class

Bearings

Maintenance-Free Ball Bearings

Impeller Material

Galvanised Sheet

Housing Material

Galvanised Sheet

Rotation

C.C.W. Seen on The Leads

Perm.Amb.Temp.

-25°C ~ +50°

Controller Integrated

0-10V or PWM Control

Transport Package

Wooden Pallet

Trademark

ECOAIR

Origin

China

Production Capacity

1000PCS/Month

Key features

High Efficiency EC Motor: Built-in DC inverter driver with permanent magnet synchronous motor for ultimate energy efficiency.

Wide Voltage Range: Supports single-phase 110-270V and three-phase 250V-480V at 50/60Hz.

Comprehensive Protection: Features overvoltage, undervoltage, overtemperature, overcurrent, and phase loss detection.

Flexible Control Interface: Offers 0-10V/PWM, RS485/Modbus, and 4-20mA communication options.

Maintenance-Free Bearings: Equipped with maintenance-free ball bearings for long-term reliability.

IP54 Protection Class: Housing and impeller made of galvanized sheet with IP54 rating for durability.

Constant Air Pressure Control: Embedded design includes constant air pressure controlling function.

Certified Quality: ISO and CE certified for international safety and quality standards.

Company profile

National Award receivedPatents AwardedHigh Repeat Buyers ChoiceFlexible Customization

Ningbo Ecoair Environmental Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2021-02-23Nearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤3.57hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryECOAIR is an HVAC supplier with more than 20 years of stated technical experience and capabilities spanning design, customization, manufacturing, installation, and after-sales maintenance. It provides OEM and ODM services, supports extensive customization, and has quality-control procedures covering assurance, traceability, complaint handling, and inspection. Reported production includes 100,000 heat exchanger coils and 1,000 air-handling-unit sets, with three production lines and export coverage across multiple regions. Lead time is one month during off-peak periods and two to three months during peak periods. The supplier reports ISO9001:2015 certification and one national science and technology progress award. However, it has no available SDK, no new product in the past year, no overseas warehouse, showroom, agent, or branch, and no offline trade-show participation. Financial records are identified by year, but no substantive financial performance details are provided.

Supplier typeECOAIR is presented as an HVAC enterprise with over 20 years of technical experience, offering professional design, selection, program guidance, construction, maintenance, OEM, ODM, and manufacturing services. Its product and service scope indicates a manufacturer with integrated project and customization capabilities.

CertificationsThe supplier reports one national science and technology progress award and an ISO9001:2015 certificate. These are explicit credentials supporting technical recognition and quality-system certification.

After-Sales capabilityECOAIR explicitly provides after-sales maintenance and reports written, followed procedures for service-capability assessment, corrective and preventive actions, and complaint handling. Quality-control records and product traceability further support structured post-sale issue management.

Production capacityProduction evidence includes three production lines, cutting, pipe-bending, and assembly equipment, reported output of 100,000 heat exchanger coils and 1,000 air-handling-unit sets, and peak-season fulfillment of two to three months. A stated weakness is that the factory does not continuously reconcile quantities for every batch or mass-production run.

Customization capabilityECOAIR explicitly supports customization from samples and designs, minor and flexible customization, and full customization, while also offering OEM and ODM services. This directly demonstrates a broad ability to adapt products to customer requirements.