LONGWELL EC Double Inlet Forward Curved Centrifugal Fan, Double Inlet Blower Fan, 220V, Low Noise, for HVAC Systems, AHU, FFU

Voltage 220 V, 380 V, 400 V, 460 V

$ 50

Specifications
Motor
DC Motor, AC Motor, EC Motor
Speed
4000 RPM, 500 RPM, 800 RPM, 1500 RPM, 600 RPM, 900rpm, 2000 RPM, 700rpm, 1 000 RPM, 2500 RPM, 3 000 RPM, 3500rpm, 5 000 RPM, 4500 RPM
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Library: Ø25–1,000 mm, single units up to about 52,000 m³/h — larger duties go straight to an engineer. Prefer to talk it through? Send your specs to an engineer

Description

More product details

Warning/Disclaimer
This product has acquired the relevant product qualification(s)/license(s) of certain applicable country/countries. View more

Highlights at a glance

RDH Series ventilator can be devided into two direction of rotations,left-hand rotation(LG) and right-hand rotation (RD);

DH Series ventilator can be made in four air-outlet directions:0°,90°,180°,and 270°;

There are three types of RDH ventilators, type R,type K and type Z;

Constructon of Product:Scroll,Impeller,Frame,Bearings,Shaft,Outlet Flange;

High Performance of Ventilator

V-Belt Drive Installation

Belt Tenstion

Bearing Lubrication

About this supplier
LONGWELL is a globally recognized fan manufacturer,specializing in high-performance EC/DC/AC fans,blowers,and motor systems for HVACR applications.With over 20 years of export experience and millions of units produced annually,we deliver reliable airflow solutions to OEMs in more than 30 countries. Our extensive product range includes centrifugal fans,axial fans,cross-flow fans,forward curved blowers,and ECM motors widely used in AHUs,FFUs,purifiers,heating systems,and industrial ventilation.We are certified to ISO9001,ISO14001,BSCI, CE,UL/ETL,FCC,and RoHS standards,ensuring full compliance across global markets. As an innovation-driven company,Longwell integrates aerodynamic design,CFD simulation,and custom engineering to meet specific client needs.Backed by advanced R&D labs,flexible manufacturing,and a global sales network across 8 regions,we respond quickly with tailored fan solutions built for efficiency,durability,and compliance.
Company overview

Customization capabilities

We can provide you with professional OEM/ODM services.All-copper motor,thickened housing,large air volume,low noise

Packaging & shipping specifications

Trade show participation

Competitive advantages

Related Products

FAQs
whats your production capacity?
We are capable to produce over millions pcs fans and motors annually.

what your advantages of technologies in fans and motors.
we makes very quiet noise , and good air performances of fans. We are capable to do fans and motors matching and make them optimized to achieve best air performances and lowest noise with CFD simulation

Are you a manufacturer or trading company?
Yes, LONGWELL is a professional manufacturer which is the specialist in HVACR fans,motor and components for the applications of air conditioner,air ex-changer coolers,heaters,floor convectors,sterilization puriferair,air purifiers,medical purifiers,and ventilation,energy industry,5G cabinet …

whats your main machines and capacity.
For the motors: Wehave owned CNC machines 18 units &4 auto-robots . capacity :500k pcs annually winding machine 20 units, capacity 500kpcs annually magnetization machine 6 : capacity 500kpcs annually Balance machine 22 units : 500k pcs annually boring mill : 2 units high temp failure detection :3 chambers 500k pcs annually For the fan: Injection machine :12 units , capacity: 2millions pcs annually Welding machine : 10 units Balance machines :14 units

whats your quality and certificates
Quality thing is big than ever for Longwell . we always focus on quality thing . 100% inspection before delivery makes almost zero complains . MTTF is less 500/million . LONGWELL products can pass CE,ETL UL certificates

Where is our main market.
North America , Europe.some of longwell customers are the top 1 in their application. In case you require any further information or have technical queries, you can contact us directly at : Emial:sales@longwellfans.com

Additional information

Duct Diameter

4 in, 6in, 8 in, 12 in, 10 in, 5 in, 14 in, 20 in, 3 in, 4.5 in, 18 in, 16 in

mounting

Other

Voltage

220 V, 380 V, 400 V, 460 V

Motor Type

DC Motor, AC Motor, EC Motor

speed

4000 RPM, 500 RPM, 800 RPM, 1500 RPM, 600 RPM, 900rpm, 2000 RPM, 700rpm, 1 000 RPM, 2500 RPM, 3 000 RPM, 3500rpm, 5 000 RPM, 4500 RPM

Material

Stainless Steel, Plastic, Aluminum Alloy, Steel , Carbon Steel, Galvanized Steel

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