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4-inch duct inline fan OIF4-140

4-inch duct inline fan designed for commercial and residential use, offering 100% speed controllability for precise airflow management and versatile ventilation performance.

HIGHLIGHTS

Efficient motor system – High-performance external rotor motor and impeller for quiet, energy-saving operation
Maintenance-free bearings – Permanently lubricated ball bearings require no upkeep
Versatile installation – Suitable for high static pressure applications and easy to install
Wide temperature range – Operates reliably from -10°C to +80°C
Durable housing – Constructed with painted cold-rolled steel for long-lasting performance

Specification

SpecificationsSpecifications
- Wattage: 92W
- Voltage: 120V AC/60Hz
- Amps: 0.80
- Size: 4" (100 mm)
- Noise (sones): 2.1
- Max. Speed: 2450 RPM
- Coverage Area: 100-150 ft²
- Warranty: 3 Years
Static Pressure Table
0.00 SP 0.10 SP 0.20 SP 0.30 SP 0.40 SP 0.50 SP 0.60 SP 0.80 SP 0.90 SP 1.00 SP
152.00 CFM 141.00 CFM 126.00 CFM 111.00 CFM 96.00 CFM 85.00 CFM 70.00 CFM 33.00 CFM 18.00 CFM 0.00 CFM

Technical specification

Unique ref.4-inch-duct-inline-fan-oIf4-140
Product familyDuct Inline Fan
Product group4 inch
TypeObject (single object)
Date of publishing2025-10-09
Edition number1

Links

Product urlhttps://ortechindustries.ca/product/oif4-140
Installation instructionshttps://cdn.shopify.com/s/files/1/0634/0594/9016/files/oif-4to10-instruction-manual.pdf?v=1753461800
Product certificationhttps://cdn.shopify.com/s/files/1/0634/0594/9016/files/oif4-5-spec.pdf?v=1753461800
Technical descriptionhttps://cdn.shopify.com/s/files/1/0634/0594/9016/files/oif4-5-spec.pdf?v=1753461800

Designed inCanada
Manufactured inCanada

Classification

BIMobject CategoryHVAC - Ventilation fans
Uniclass 2015 CodeEF_65_40
Uniclass 2015 DescriptionVentilation
CSI MasterFormat 2014 Code23 34 00
CSI MasterFormat 2014 TitleHVAC Fans
OmniClass Number23-33 31 19
OmniClass TitleFans

4-inch duct inline fan OIF4-140

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0.00 SP	0.10 SP	0.20 SP	0.30 SP	0.40 SP	0.50 SP	0.60 SP	0.80 SP	0.90 SP	1.00 SP
152.00 CFM	141.00 CFM	126.00 CFM	111.00 CFM	96.00 CFM	85.00 CFM	70.00 CFM	33.00 CFM	18.00 CFM	0.00 CFM