Delta Centrifugal Fans

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Centrifugal Fans

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Mfr Part #	Rated Voltage(V)	Size(mm)	Max.Air Flow(m³/h)	Max.Pressure(Pa)	Input Power(W)	Speed(rpm)	Noise(db)

GTB036PCN25R-M E1 \| Delta Electronics 3~200-240VAC 735W EC Centrifugal Fan for Server Cooling GTB036PCN25R-M E1 is an EC centrifugal fan for server cooling, rated at three-phase 230/400VAC. Its PDF documents 0-10V, PWM and 4-20mA inputs plus RS485 Modbus, providing several control-interface choices.	3~ 200-240	φ360 x 251	5362	880	735	2250	81
GTB036PUD25E N1 \| Delta Electronics 400VAC 1000W EC Centrifugal Fan for Server Cooling GTB036PUD25E N1 is a 400VAC EC centrifugal fan for server cooling. A listed 919 Pa maximum pressure complements its 360 x 250 mm envelope and 2200 rpm rating, supporting comparison of ducted cooling designs.	400	ψ360 x 250	5573	919	1000	2200	81
GTB063PUU38R-VHR3 \| Delta Electronics 3~380-480VAC 3700W EC Centrifugal Fan for Server Cooling For server cooling, GTB063PUU38R-VHR3 offers an EC centrifugal fan format with a listed 630 mm size. The supplied input range is three-phase 380-480VAC, with 20381 m3/h maximum airflow and 1807 Pa maximum pressure.	3~380-480	630	20381	1807	3700	-	-

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About Centrifugal Fans

How to Select the Right Centrifugal Fans

Before comparing models of centrifugal Fans, write down the real operating requirements: required airflow, system static pressure, available installation space and the electrical supply on site. A selection that ignores any of these four factors usually ends in returned goods or on-site retrofits.

Voltage and control define the shortlist. Standard options include 12/24/48 V DC and 115/230 V AC; for applications where operating points move, EC fans with PWM or 0-10 V input give precise speed control, and a tach signal provides the feedback many safety systems require.

Environmental conditions eliminate unsuitable models faster than any catalog filter. Check the ambient temperature range, required IP protection for dust and moisture, and the expected service life — ball-bearing units hold their noise and airflow figures far longer than sleeve-bearing designs in vertical or high-temperature positions. If the equipment must ship into regulated markets, verify UL, CE and RoHS compliance at this stage, and set a realistic noise target in dBA so acoustic requirements do not surface after installation.

Close the selection by de-risking the order: verify stock levels, confirm production lead time, and request datasheets plus dimension drawings for the final candidates so the mounting holes and connectors are checked before purchase. Share your operating point with us and we will validate the fit 23 products in this category are ready for comparison.

Typical Applications and Use Cases for Centrifugal Fans

Across our project record, centrifugal Fans are specified wherever equipment must stay cool and air must keep moving: data centers and server rooms, commercial refrigeration, air handling and ventilation systems, telecom and battery cabinets, industrial machinery, and power electronics in the new-energy sector. What these projects share is a simple truth — the fan is small in cost but decisive for uptime, so it deserves the same engineering attention as the equipment it protects.

In a recent retrofit project, a customer's cooling unit had to keep running while its worn fan was exchanged. We identified a current-series replacement with identical mounting dimensions and an equivalent airflow-pressure curve, confirmed the tach output compatibility, and the installation was finished within a single maintenance window.

A second frequent case is refrigeration service: a condenser or evaporator fan fails and the exact original model is on long lead time. Instead of waiting, we check bearing type, IP rating, blade diameter and speed, then offer an equivalent that restores capacity immediately — one of the most common ways our stock protects cold chain operations.

New builds and replacement projects on Delta equipment follow the same path at our company: you send the required airflow, pressure and dimensions; we respond with a shortlist, performance curves and firm delivery dates.

Frequently Asked Questions About Buying Centrifugal Fans

Can you replace my existing centrifugal Fans from another supplier or a discontinued model?

Yes. Replacement supply is one of our core services: we cross-reference the mounting dimensions, voltage, speed and performance curve of your installed unit and propose the closest current-series equivalent. Where the frame or connector differs slightly, we state the difference clearly before you order, so the replacement installs without surprises.

Can I order a single piece or request a sample before a bulk purchase?

Single-piece orders and samples are welcome — many customers validate one unit in their system before committing to volume. There is no minimum order quantity for standard stock models, and the sample price is deducted from the bulk order in most repeat purchases. Tell us the quantity you plan to use and we will quote both scenarios.

Do you support customized or OEM versions of centrifugal Fans?

Yes. Beyond catalogue models we can discuss modified lead wires, connectors, speed curves, IP upgrades or private-label packaging for OEM projects. Customization usually starts from a defined annual quantity; our engineers will review your requirement and confirm feasibility, tooling cost and lead time before any commitment.

Bag

Bag packaging indicates that a specified quantity of product is packaged by the manufacturer in a bag, sealed pouch, or similar container and sold as a unit without repackaging. It is also used to describe kits/assortments where components are packaged in separate bags according to part number or parametric value, rather than in a compartmentalized box or similar rigid container.

Centrifugal Fans

Centrifugal Fans

By type

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Rated Voltage(V)

Size(mm)

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Max.Pressure(Pa)

Input Power(W)

Speed(rpm)

Noise(db)

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About Centrifugal Fans

How to Select the Right Centrifugal Fans

Typical Applications and Use Cases for Centrifugal Fans

Frequently Asked Questions About Buying Centrifugal Fans

Can you replace my existing centrifugal Fans from another supplier or a discontinued model?

Can I order a single piece or request a sample before a bulk purchase?

Do you support customized or OEM versions of centrifugal Fans?