LWBE3G310-072PS-01 Industrial Fan LONGWELL Power

Specifications

Fitment & verification

How to identify the correct unit: locate the reference number stamped on your original component or in the vehicle parts catalogue, then cross-check it against the number below before ordering. Trim and market variants exist for many applications, so the short check is worth the minute before checkout.

How to identify & confirm fitment in 4 steps

1. Locate the OE / reference number on your old part or in the vehicle parts catalogue.
2. Match it to LWBE3G310-072PS-01 shown on this page.
3. Send your VIN and engine code plate so our team runs an exact-fit check.
4. Receive fitment confirmation before we dispatch your order.

Cross-reference coverage for industrial fan fitment is listed above; confirm your VIN before ordering.

What this part is

A direct-fit compatible replacement referenced by LWBE3G310-072PS-01 for the applications listed in the fitment block.

Feature highlights

Buyers searching ec backward fan and backward curved centrifugal fan look for the strengths listed here: direct fit, verified reference and wholesale packing.

Build & materials

Built to the original equipment drawing, the Industrial Fan uses Steel Plastic Magnesium-Aluminum Alloy Steel Iron Metal Iron Aluminum Fiber AlloySteel CarbonSteel ABS Copper PlatedSteel Q235 and follows the same inspection checkpoints as the reference sample. Tolerances that affect installation are held to the drawing rather than adjusted on the bench.

• Steel Plastic Magnesium-Aluminum Alloy Steel Iron Metal Iron Aluminum Fiber AlloySteel CarbonSteel ABS Copper PlatedSteel Q235 construction for daily and workshop use.
• Surface treated to resist corrosion in road and workshop conditions.
• Dimensional check against the reference sample before packing.

Material and build choices answer the most common industrial fan replacement, industrial fan catalog and industrial fan guide questions from workshop buyers.

Where it fits

The fitment block above lists the markets and model families this reference is stocked for, so buyers can match demand without re-checking every listing.

Technical notes

Field note. In the high-power 310 mm grade, the electronic protections matter most during faults. A blocked impeller triggers the documented locked-rotor shutdown instead of a burnt winding, so a fan that cycles off after seconds of humming should be inspected for obstruction, not repeatedly restarted. Surging or hunting speed with a controller connected usually traces to a noisy or floating 0-10V signal, while loss of the tachometer feedback can shut the drive or hold minimum speed depending on the control card. Bearing wear still presents as grinding that persists with the blade spun by hand, power disconnected.

Technical background. Because this grade draws more current than small EC frames, size the supply, terminals, and cable cross-section for the nameplate current, not for a generic small fan, and keep connector contact resistance low: oxidized terminals are a documented cause of overheating in industrial fans. Mount the flange on a rigid bracket; a larger impeller at higher torque will find any frame resonance as noise. Route control wiring separately from power, verify supply polarity before energizing, and on ducted installations confirm the duty point against the published performance curve rather than free-air figures.

Field note. Servicing centers on three things: airflow path, temperature, and connections. Clean the impeller and inlet guard on a scheduled basis, because dust loading on a high-power rotor shifts balance and raises current draw. LONGWELL documents an ambient window of roughly -25C to +60C for its EC axial platform, so installations near furnaces, compressors, or sun-exhaled rooftops need ventilation checks, and the ball bearings remain maintenance-free within that envelope. Annually re-torque terminals and inspect the control connector. Record the exact suffix variant at replacement, since speed grades differ within the series.

Technical background. Positioned against the 250 mm EC sibling, this unit buys more airflow and more static pressure for duct runs, filters, or condenser coils, at the cost of more power and a heavier mount. Against an AC high-power fan, the case is the LONGWELL-documented 30 to 55 percent energy saving plus stepless control that AC induction motors cannot offer without add-on inverters. Buyers should compare the two EC frames at the same duty point on the P-Q curve: if the resistance is low and air simply must move, the smaller frame may suffice; against coil or duct pressure, the 310 mm grade earns its power.

Application context. For compliance context, LONGWELL documents CE, RoHS, and ETL across the EC axial range with ingress protection grades up to IP55 on some models and a 1,500VAC dielectric test at 50/60 Hz, evidence a European OEM should keep on file. High-power EC axial fans in this class are documented in condenser, evaporator, dry cooler, heat-pump, and workshop ventilation duty; they are ventilation components, and claims of smoke-extraction or explosion-protected approval are not documented for this platform and must not be assumed by specifiers.

Field note. The documented persona is the equipment engineer specifying cooling for condensers, dry coolers, heat-pump outdoor units, transformer stations, or pressurized workshop ventilation, plus the procurement specialist consolidating EC frames across a product range. Compared with the 250 mm buyer, this persona tolerates a larger frame and higher power because the application has real static pressure: coil banks, long ducts, or filters. They shortlist on performance curves, control interface compatibility, protection class, and L10 bearing life documentation, and they value one supplier covering 250 through 900 mm frames for spares commonality.

Technical background. The 175W EC drive on this 310mm wheel deletes capacitors and brushes, leaving bearings and electronics as the service items. The external-rotor ball bearings are sealed and maintenance-free, so plan their replacement on vibration evidence, ideally tracked from the tach output and current draw logged at commissioning. The protection list inside the drive – locked-rotor, over-current, over-voltage, reverse polarity, and soft start – means most early failures trace to wiring faults rather than the motor; inspect connectors and the 500mm lead whenever a unit is pulled. Replace dirty upstream filters at the same service visit, since a clogged stack pushes the wheel up its curve.

Deep dive. Aluminum impellers ship well but dent badly; a folded leading edge cannot be dressed out without rebalancing. Cartons for the 310mm frame should stay upright with foam holding the wheel concentric, and nothing heavier may be stacked on the box, since the inlet ring sits close to the carton wall. The duct-mount versions differ in installed depth, from roughly 152 mm to 219 mm, so match packaging to the depth variant ordered before site delivery. Storage across the rated minus 25 to plus 60 deg C window is acceptable, but keep cartons dry: standing water reaches the terminal box before anyone notices, and corroded terminals complicate commissioning.

Deep dive. Site prep is dominated by airflow measurement. Bring a clamp meter for the 1.25A rated current, a signal source able to generate 0-10VDC or PWM for speed commands, and an anemometer or pitot kit so the installed duty point can be verified against the curve rather than assumed. Mechanically, confirm the hole pattern – M4, M5, or M6 depending on variant – and check the duct cutout against the specific depth version before lifting the fan into place. The 500mm flying lead, delivered with about 20mm tolerance, may need extending; use shielded cable for PWM runs to keep switching noise out of nearby instrumentation.

Field note. At 1810 rpm and 66 dB(A) this wheel is already quiet for its class, but humid, dusty ducts still change its behavior seasonally. Moisture-laden air condensing on cold aluminum blades collects fine dust into a hard layer that trims airflow and shifts balance; inspect the wheel during filter changes in high-dust months. The IP55 enclosure and F-class insulation handle unheated plant rooms down to minus 25 deg C, yet cold starts benefit from a ramped 0-10V command so the soft-start function works with the lubricant, not against it. In sticky summer conditions, verify the motor surface stays within touch-safe temperature at maximum duty.

Technical background. Volume orders for this model live or die on curve documentation. Require the measured pressure-airflow curve for the production batch, tested per AMCA 210 or equivalent methods, plus the electrical data sheet showing 230V, 1.25A, and 175W input so incoming checks have reference numbers. Ask for a batch-level certificate listing bearing brand and impeller alloy, since the 310mm family mixes plastic, steel, and aluminum wheels under adjacent codes. Incoming sampling should exercise the 0-10V and PWM inputs, the tach output, and the protection functions, not merely full-voltage spin. Serial-to-batch traceability on each label makes warranty replacement and fleet pairing painless later.

Application context. Specification traps here are about pairs of numbers that look interchangeable but are not. The 2266 m3/h airflow and 700 Pa static pressure are separate maxima; a ducted filter line operates somewhere down the curve, and sizing by both at once guarantees disappointment. Variant codes matter: the same 310mm frame spans 175W to 980W versions with different impeller widths, so confirm the full model string, not just the frame size. Check whether the ordered unit is the duct-mounted type or the bracket or plate version, since depths and hole patterns differ. Finally, 230V and 400V options exist across the family; wiring a 400V unit from a 230V circuit leaves it starved of torque.

Application note. Like the LONGWELL EC axial platform generally, it uses a brushless electronically commutated motor, documented at 30-55% energy savings over same-size AC fans.

Application note. The platform is documented with 0-10VDC/PWM speed control, tachometer output, and built-in locked-rotor, reverse polarity, over-voltage, and soft-start protections.

Supply note. Documented platform build items apply: insulation class F, S1 duty, maintenance-free ball bearings, die-cast aluminum housing, and ambient ratings from about -25C to +60C.

Supply note. Per LONGWELL's series naming (number = impeller diameter), LWBE3G310 places this EC axial fan in the 310 mm class, one frame above the compact 250 mm models.

Supply note. This unit is positioned as a high-power grade within the EC axial family, meaning higher input power and stronger pressure development than the smaller EC frames.

The engineering notes above compile verified reference, material and application data for aftermarket industrial fan and compatible industrial fan.

Quality assurance

Inspection runs on an AQL sampling plan: incoming material, in-process checkpoints and a final release check are recorded on the batch sheet.

Warranty & support

12 Months limited warranty against manufacturing defects. Coverage applies to correctly installed units; keep the batch date code so any claim is processed against its inspection record. Motor, ducting and impeller questions are answered by our team before dispatch.

Why choose Vidishi Auto

Industrial Fan — Industrial Fan. Supplied under Vidishi Auto with batch traceability and trade-grade packing; volume pricing and private-label options are available on request. Centrifugal and axial industrial fans are supplied for ducted ventilation and process-air programs.

Logistics & packing

We ship worldwide to distributors and garages from China, Dongguan. Each Industrial Fan is packed in a single-unit export carton. Fans ship with inlets and outlets blanked to keep the impeller and housing clean. Tracked air or sea freight is arranged per order volume.

Bulk quantities of industrial fan supplier and industrial fan bulk order ship in mixed containers from China, Dongguan.

Frequently asked questions

Further commercial kitchen exhaust fan questions are answered by the trade desk within one business day.

Compliance disclaimer

Vidishi Auto is an independent supplier. This is an aftermarket compatible replacement, not a genuine OEM part. Brand names are trademarks of their respective owners and are used only to identify fitment.

B2B support

Wholesale terms are quoted per market: volume breaks, mixed-SKU containers and private-label options are all handled by the trade desk. Airflow-static-pressure and motor data sheets are available on request.

Trade desk replies with quotation, MOQ and lead time in one business day.

Enquiries about wholesale industrial fan and industrial fan price receive quotations within one business day.

Duty point & motor notes

Ducted fans are matched to the system duty point; the configuration scope below is confirmed before dispatch.

Installation and service notes for oem industrial fan, industrial fan rental home depot and rent industrial fan home depot are confirmed by our technical team before dispatch.

• Pre-dispatch checks: Steel Plastic Magnesium-Aluminum Alloy Steel Iron Metal Iron Aluminum Fiber AlloySteel CarbonSteel ABS Copper PlatedSteel Q235 construction is verified against the reference sample before packing.
• Airflow and static-pressure duty are confirmed against your duct plan before dispatch.

Workshop teams comparing industrial fan near me, industrial fan cross reference and how to confirm industrial fan fitment receive the pre-dispatch checklist with the quotation.

• Motor voltage, phase and speed data follow the published listing.

Installation and service notes for high power, 1100w ec fan and lwbe3g310 are confirmed by our technical team before dispatch.

• Inlets and outlets ship blanked to keep the impeller and housing clean.

Workshop teams comparing greenhouse ventilation fan receive the pre-dispatch checklist with the quotation.

Speed control & accessories

Speed-control options are matched to the duty plan; the scope below is confirmed before dispatch.

• Reference checks: the OE / reference number is matched against your old part before packing.

Application data for home depot industrial fans, industrial fans at harbor freight and industrial fans home depot is confirmed against your specification before dispatch.

• Speed-control and inverter options follow the published listing.
• Vibration isolators and flexible connections are quoted with the unit.

Engineering checks behind the what is a industrial fan, 400v and 310mm ec fan supply are completed before packing.

• Guarding and inlet filters are confirmed with the quotation.

Application data for aluminum alloy blade fan and high pressure centrifugal fan is confirmed against your specification before dispatch.