Exhaust Fan Three Nylon EF-DU2RJ for poultry houses and greenhouses

Specification sheet

Compatibility & fitment guide

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 EF-DU2RJ 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 exhaust fan fitment is listed above; confirm your VIN before ordering.

Product overview

A direct-fit compatible replacement referenced by EF-DU2RJ for the applications listed in the fitment block.

Feature highlights

The strengths workshop buyers compare when searching wholesale three, cooling fan for poultry house and motor direct fan are listed above.

Build & materials

Built to the original equipment drawing, the Exhaust Fan follows the same inspection checkpoints as the reference sample. Tolerances that affect installation are held to the drawing rather than adjusted on the bench.

• 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 exhaust fan replacement and exhaust fan guide questions from workshop buyers.

Application & fitment

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.

Engineering notes

Field note. Three nylon impellers change the symptom profile. Nylon blades rarely fail suddenly, but long exposure to UV and ammonia embrittles the edges, so cracking or chipped blade tips appear before performance drops. Because injection-molded blades are individually light, a lost balance shows up as vibration and a rising noise level rather than immediate damage. Airflow decay usually comes from static charge holding dust on the blades – a film nylon accumulates readily – or from shutter drag. Motor and bearing symptoms match other fans: a hum with stalled rotation, or rumble from seals degraded by wash water.

Field note. Installation notes for a triple-nylon impeller fan are conventional, with two material-specific points. Cut and seal the wall opening to the housing footprint, align the drive exactly as with any belt unit, and confirm the closed shutter blocks backdraft. First, nylon flexes more than steel, so guard spacing must prevent blade contact under load, and torque checks on the blade fasteners matter at commissioning. Second, keep the impeller away from heaters and direct sunlight through nearby openings, since sustained heat and UV are the documented aging paths for nylon components in livestock buildings.

Technical background. Caring for nylon impellers is gentler than steel. Wash the blades with mild detergent rather than solvents or high-pressure jets, which can drive water past seals and age the polymer; the smooth molded surface releases dust easily, so a short rinse restores balance. Inspect blade edges and hubs each season for UV whitening or hairline cracks, and replace blades as a set to preserve balance. Check belt tension and pulley alignment as usual, listen for bearing roughness, and confirm the shutter linkage swings free. Re-torque blade fasteners annually; nylon creep under sustained load can loosen them.

Application context. Comparing nylon-impeller fans means weighing documented trade-offs. Catalogs list 7-wing nylon blade models delivering 45,000 m3/h at 1220 mm diameter and 20,000 m3/h at 900 mm, alongside 3-wing FRP and 6-wing SMC fiberglass versions on the same frames – a three-impeller nylon layout follows the multi-blade, low-rpm school that trades peak output for lower noise, documented at or under 65 dB. Nylon resists corrosion absolutely and molds to repeatable balance, while 430 stainless steel holds stiffness in hot lofts. Motor enclosure IP54/IP55 and rated airflow at static pressure close the checklist.

Technical background. Nylon impellers sit comfortably within published livestock fan practice. Multi-wing, low-speed designs appear in the same catalogs that list steel and fiberglass blades, with noise ceilings around 65 dB recorded for 7-wing nylon versions against 68 dB for comparable fiberglass units. Airflow ratings for these frames – roughly 45,000 m3/h at 1220 mm – are free-air catalog figures, so sizing still follows the tunnel method: cross-section times a target velocity of 1.0-3.0 m/s depending on the stock. No separate standard governs blade material itself; corrosion resistance in ammonia-rich air is the functional requirement it answers.

Application context. Buyers who specify nylon impellers are usually noise-sensitive sites and corrosive environments. Greenhouse operators near residential areas, weaning and nursery pig rooms, and coastal farms where salt air eats coated steel all fit the profile. Poultry equipment distributors stock nylon-blade frames as the quiet option for minimum-ventilation staging, where fans run close to living quarters. Greenhouse integrators value the smooth impeller surface because pad drift and humidity rinse off easily. Typical accounts buy mixed banks – large steel-blade tunnel fans plus nylon-blade staging fans – and ask for documented low-noise figures alongside airflow.

Application context. The three-blade nylon rotor changes the wear list: plastic blades never rust, but they embrittle with age, heat, and ultraviolet exposure, and a nicked or heat-warped blade unbalances the set quickly. Replace nylon impellers as a complete set rather than one blade, since mixed old and new blades hold no balance. The motor run capacitor is the usual first failure on single-phase units: hum without start means capacitor, not motor. Housings and shutters follow the standard pattern, corrosion in humid air and slats sticking after wet seasons, so keep blade, capacitor, and louver spares together.

Field note. Nylon impellers need different transport care than steel ones. Polyamide softens when hot: a container parked in the sun or storage near a heat source can warp blades permanently, so ship and store cartons cool, flat, and upright, never stacked blade-side down where pressure takes a set into the plastic. Keep the impeller in its bag until installation to block dust and moisture. After unboxing, spin the rotor by hand and sight the tip clearance around the ring; uneven gaps signal a deformed blade. Let a cold shipment warm to ambient before first start.

Field note. Assembly is light-duty by steel-fan standards but torque discipline matters more: blade bolts into plastic hubs strip or crack if over-tightened, so use a torque driver and thread-locker rather than muscle, tightening in a star pattern. The rest of the kit is typical: level, drill and masonry or wood bits for the wall, sealant for the sleeve, and a multimeter to confirm supply voltage within 10 percent of the nameplate. Confirm the impeller rotates free of the ring with even clearance. Wear gloves when handling nylon blades; edges are usually smooth but cracked plastic splinters sharply.

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

Technical background. Nylon earns its place in humid, corrosive air: polyamide does not rust under ammonia, moisture, or fertilizer vapor that pits galvanized steel, which is why three-blade nylon rotors are common in poultry houses, greenhouses, and coastal buildings. The trade-offs run the other way in heat and sunlight, where the material ages, and in dust, where deposits build on blades and unbalance them faster than on smooth metal. Wash blades with water and mild detergent rather than solvents, inspect for whitening or hairline cracks seasonally, and treat the steel housing and fasteners, not the blades, as the corrosion watch list.

Field note. For bulk buying, plastic parts raise a documentation question metal does not: raw-material batch. Ask the factory for lot records covering the nylon grade used per production run, impeller balance test results, and routine motor tests such as run current and insulation resistance on sampled units. On receipt, record blade batch codes and motor nameplates, and sample one impeller per lot for visual checks against warpage and molding flash. Store spare rotors from the same batch as installed ones so replacement sets match in weight and color. Keep all batch papers filed against purchase orders for warranty claims.

Application context. Configuration traps here are mechanical. Confirm hub bore and shaft diameter before ordering spares, since nylon impellers are frequently revised and a newer wheel may not fit an older motor shaft. Check rotation direction and blade pitch: some three-blade rotors are handed, and installing a mirrored variant pumps backwards. Dimensionally, verify the required wall opening against the housing drawing, not the blade circle, and confirm mounting-hole spacing before drilling. Electrically, match the nameplate voltage and frequency, since 220-240 V 50 Hz and other variants are not interchangeable, and confirm whether the motor tolerates speed control at all.

Workshop note. Three-impeller nylon layouts follow the multi-wing, low-rpm school that trades peak output for noise reduction; no separate standard governs blade material, corrosion resistance in ammonia-laden air being the functional requirement it answers.

Supply note. Catalogs document 7-wing nylon blade models delivering 45,000 m3/h at 1220 mm diameter and 20,000 m3/h at 900 mm, on frames shared with FRP and SMC fiberglass versions.

Application note. Noise ceilings of 65 dB are published for 7-wing nylon impellers against 68 dB for comparable fiberglass units, reflecting the multi-blade, low-rpm design school.

Supply note. Nylon (PA66 and glass-fiber reinforced) injection-molded impellers resist corrosion in ammonia-rich air and mold to repeatable individual balance.

Workshop note. The documented alternative, 430 stainless steel blades at 1.2 mm, holds stiffness better in heat, while the aging paths for nylon are sustained UV exposure and heat.

Technical notes for exhaust fan supplier, exhaust fan price and exhaust fan bulk order are compiled from catalogue references and pre-dispatch application checks.

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.

After-sales & warranty

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. Shutter, motor and mounting questions are answered by our team before dispatch.

The Vidishi Auto advantage

Exhaust Fan — Exhaust Fan. Supplied under Vidishi Auto with batch traceability and trade-grade packing; volume pricing and private-label options are available on request. Exhaust and cooling fans are supplied for poultry-house, greenhouse and workshop ventilation programs.

Cross-reference & catalog

Catalog numbering for this Exhaust Fan: the primary reference is EF-DU2RJ. When a supplier catalog lists superseded or regional formats, match on the numeric core of the code rather than the prefix, then confirm the physical fit.

Catalog cross-references for exhaust fan catalog resolve to EF-DU2RJ.

Frequently asked questions

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.

Airflow & mounting notes

Ventilation fans are matched to the building opening; the mounting scope below is confirmed before dispatch.

• Pre-dispatch checks: the OE / reference number is matched against your old part before packing; finish / style (Silver) is confirmed with the quotation.

Installation and service notes for oem exhaust fan, exhaust fan with light and exhaust fan motor replacement are confirmed by our technical team before dispatch.

• Frame size and opening dimensions are confirmed against your building before dispatch.
• Shutter or louvre inclusion is confirmed with the quotation.

Workshop teams comparing exhaust fan cross reference, best exhaust fan for aftermarket and blades motor receive the pre-dispatch checklist with the quotation.

• Motors are sealed and blades guarded for export packing.

Installation and service notes for fiberglass cone fan and nylon blade exhaust fan are confirmed by our technical team before dispatch.

Motor & electrical notes

Fan motors are matched to the site supply; the electrical scope below is confirmed before dispatch.

• Configuration checks: the supplied configuration is confirmed against your order before dispatch.
• Voltage, frequency and phase follow the published listing.

Configuration and service notes for over the range microwave with exhaust fan and light, exhaust fan for basement and why upgrade exhaust fan are confirmed by our technical team before dispatch.

• Starter, capacitor and wiring scope are confirmed with the quotation.
• Motors are sealed and rated for the ventilation duty published.

Workshop teams comparing motor direct, greenhouse exhaust fan and poultry cooling fan receive the configuration checklist with the quotation.

Shutter & frame options

Frame and shutter variants are matched to the building opening; the options below are confirmed before dispatch.

• Reference checks: the OE / reference number is matched against your old part before packing.
• Shutter, louvre and cone options follow the published listing.

Application data for exhaust fan for garage, exhaust fan with humidity sensor and wholesale three nylon is confirmed against your specification before dispatch.

• Frame material and thickness are confirmed with the quotation.
• Guarding and safety covers are quoted where the listing offers them.

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