EQUIPMENT / EQUIPMENT FAMILY

Jiayi DKT double-inlet air-conditioning fans

External-rotor multiblade centrifugal fans for OEM cabinets and air curtains; the original catalogue and HTML transcription need reconciliation before ordering.

From Zhejiang Jiayi Fan · HVAC and refrigeration air movement

Individual product research · HVACDeck Editorial · Sources checked 2026-10-11

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Manufacturer catalogue image · DKT

01 / UNDERSTAND THE EQUIPMENT

Select Jiayi DKT using the original curve and cabinet interfaces

Jiayi describes DKT as a double-inlet centrifugal fan with an external-rotor motor and multiblade impeller for air-conditioning units, air curtains and heating/cooling equipment. Its original illustrated spread includes performance ranges and separate mounting tables. This is a fan component offer, not a complete AHU's cooling capacity or delivered system airflow.

The original 11-45 / size 2.0 row shows a 0.25 kW, 4-pole motor, 900–1,500 m³/h and 315–295 Pa total pressure. Other HTML rows differ materially from the image: the 10-63 row lists 3,100–6,100 m³/h online but 2,300–2,900 m³/h in the original spread. No mixed or silently corrected selection is supplied here; obtain an issued current curve for the exact fan.

02 / READ THE CONDITIONS

Published parameters and their scope

This is an equipment family; its range does not identify one orderable configuration.

Family designation: DKT

Swipe the table, or focus it and use arrow keys, to read the conditions and sources.

Manufacturer-published values · conditions are part of the specification
Parameter	Published value	Conditions and evidence
Construction	External-rotor, double-inlet, multiblade centrifugal fan	Official DKT description and original spread; motor/impeller options require the ordered specification. Source
Original 11-45 / size 2.0 duty range	900–1,500 m³/h; 315–295 Pa total pressure; 0.25 kW–4-pole	Original printed page 11. Ranges are not a rectangular envelope of independently combinable maxima. Source
10-63 source conflict	Original 2,300–2,900 m³/h / 325–300 Pa; HTML 3,100–6,100 / 355–300	Same 0.45 kW–4-pole row; current preferred revision not confirmed. Source
Original 11-45 sound entry	≤64 dB(A)	Source does not give the measurement distance/test arrangement on this spread; not a room or installed-system noise guarantee. Source
Model-specific mounting	Original 11-45 size 2.0 row includes outlet and support drawing references	Two installation tables and drawing letter references must be used together, not treated as one overall-size number. Source

Selection and application review

Define total pressure and delivered airflow at the cabinet duty

Send the required volume, total-pressure duty, air density/temperature, coil/filter/damper losses and the fan's installed inlet/outlet arrangement. The source table labels total pressure; a static-pressure request needs a consistent conversion or current selection from the manufacturer. Do not select the maximum flow and maximum pressure independently from one range row.

Request a complete fan curve with speed, motor input and efficiency at the chosen point, plus the allowable operating region and load margin. The fan's air volume is not the airflow delivered through an assembled coil cabinet without accounting for its resistance and installation effects.

Resolve the transcription differences before sizing the motor

The 10-63 discrepancy affects airflow and total pressure, and several other HTML values differ from the original picture. The issued curve and revision must settle the actual fan, not a platform guess or interpolation. Retain the agreed sheet with the order and any accepted sample results.

The original table uses kW-pole notation, not an input-power measurement or a supplied mains specification. Require actual voltage, phases, frequency, current, protection and speed-control compatibility for the ordered motor. Do not infer 50/60 Hz interchangeability or EC control merely from 'external rotor'; the inspected DKT page does not establish those details.

Provide clearance to both inlets and approve the outlet assembly

A double-inlet unit needs the surrounding cabinet designed around both intake paths. Submit coil position, partitions, guards and available service clearance. Ask the supplier to review the inlet spacing and the transition to the discharge duct/plenum using its installation instructions rather than claiming an arbitrary required gap.

The original mounting spread contains separate outlet/support dimensions and several hole patterns. Obtain the exact current drawing for the selected size/model, rotation, discharge orientation and support. Repeated model labels appear with different machine sizes, so ordering only '12-45' or another short label may not close the mechanical fit.

Select the complete row
Use machine size, fan model, motor configuration and current curve together.
Approve the cabinet layout
Close both intake routes, outlet transition, guards and component-removal access.
Freeze the mounting drawing
Agree holes, support, orientation and electrical interface before cabinet fabrication.

Evaluate sound and vibration with an agreed test basis

The original 11-45 entry is ≤64 dB(A), but this spread gives no measurement distance or detailed test arrangement. Require the current sound data and its method, then assess the complete cabinet/duct path for the project's occupied-space requirement. A fan catalogue value does not prove room noise.

Obtain balancing/vibration acceptance, motor/impeller traceability and the sample inspection record. Decide the mount/isolation design with the actual assembly. General supplier 'low noise' and 'durable' wording is not a measured installed result or a specified service life.

Use OEM customisation only against a documented approval sample

Jiayi offers model, voltage and mounting customisation. Close every deviation on the ordered drawing and performance schedule, including materials, medium limits, motor and control interface, packing and spare parts. A generic OEM offer does not establish a completed design for an arbitrary air-conditioning cabinet.

Agree sample tests, production inspection and current market-specific conformity documents. Ask the actual seller for price, lead time and warranty terms; neither stock nor service performance has been verified here. The platform has individually organised the source evidence and selection questions and has not tested the fan.

Sources and review scope

Compiled by HVACDeck Editorial. Source review identifies what the publication states; it is not an independent performance test or certification.

Official Jiayi DKT model-family pageChecked 2026-10-11 · Complete page read; repeated prose and HTML parameter differences identified.
Original DKT performance and mounting spreadChecked 2026-10-11 · Full original printed pages 11–12 visually inspected. Total-pressure table, motor notation, sound entry and mounting tables reviewed. No preferred revision invented.

Editorial method and corrections · Report a detail with this page URL