What do the letters 'E' and 'D' mean in the VKF model code?

In the VENTS model code, 'E' indicates a single-phase (1~230V) electric motor, while 'D' indicates a three-phase (3~400V) motor. The preceding digit represents motor pole count: '2' is a 2-pole motor (approx. 2,400–3,000 RPM), '4' is a 4-pole motor (approx. 1,350–1,750 RPM), and '6' or '8' indicates low-speed motors (approx. 710–1,100 RPM).

Is 25,000 m³/h a VKF airflow value, and at what pressure and frequency?

Yes, but it is strictly a 50Hz free-air maximum for model VKF 6D 800 (1,850W, 915 RPM at 50Hz and 0 Pa static pressure). For 60Hz operations in Saudi Arabia, the maximum published catalogue airflow is 12,400 m³/h (7,298 CFM) on model VKF 4D 630 at 3~400V 60Hz. If a 710 or 800 mm fan is needed at 60Hz, factory confirmation of the 60Hz motor winding is required.

Which speed controller matches my selected VKF fan motor current?

Thyristor controllers (such as VENTS RS-1-400 or RS-1-300) provide smooth speed regulation for single-phase models, provided the motor current does not exceed the controller's rated capacity and motor thermal leads are properly connected. For three-phase models or applications where electrical humming must be eliminated, multi-step autotransformer controllers are recommended.

Is the VKF fan approved for emergency fire/smoke extraction or pressurisation?

No. The VKF series is designed strictly for general low-pressure clean-air supply and exhaust. The catalogue mentions the companion OV/OVK series for wall-mounted pressurisation, but neither VKF nor OV is rated as an emergency high-temperature smoke-spill fan (such as 300°C/2h or 400°C/2h). For certified emergency life-safety systems, select the VDO Axial Smoke Extraction Fan.

What is the maximum transported air temperature for the VKF fan?

Transported air temperature limits depend on operating frequency: models operating at 50Hz are rated from -30°C to +60°C, while models operating at 60Hz are rated from -30°C to +50°C. Standard VKF fans must not be used for high-temperature furnace or boiler exhaust.

What is the mechanical difference between VKF, OV, and OVK fans?

All three use similar axial impellers and motors, but their casings differ: VKF has a cylindrical casing with matching circular flanges on both ends for inline duct connection; OV has a square steel mounting plate for exterior wall exhaust; and OVK has a circular mounting plate for wall or bulkhead openings.

VENTS VKF Series • 200 to 800 mm (Up to 12,400 CMH at 60Hz)

VKF Inline Axial Duct Fan

Low-pressure flanged inline axial fans (VKF 200 to VKF 800) in polymer-coated steel casings for direct duct installation, delivering high airflow supply and exhaust across commercial, warehouse, and industrial ventilation systems in Saudi Arabia.

Request Quote on WhatsApp Call Technical Sales Download VENTS OV / VKF Catalogue (PDF, 2.7 MB)

In brief

Flanged inline duct duty vs. emergency smoke extract

The VENTS VKF is a low-pressure inline axial duct fan designed for direct mounting between ventilation duct sections via matched connecting flanges. It delivers high-volume supply and exhaust airflow across low-resistance duct runs in commercial buildings, workshops, and air-transfer shafts. For emergency smoke extraction or life-safety stairwell pressurisation, an approved smoke-spill fan (such as the VDO series) is required. Need certified emergency smoke extract? View VDO Smoke Spill Fans.

VENTS VKF low-pressure inline axial duct fan with blue polymer-coated steel casing and connecting flanges

VENTS VKF Inline Axial Duct Fan

Flanged inline duct mounting (200 to 800 mm)

Verified 60Hz performance curves for 200–630 mm

Polymer-coated steel body with IPX4 terminal box

VENTS VKF Inline Axial Duct Fan

Fan Category

Inline Axial Fan / Flanged Duct Fan

Product Series

VENTS VKF Series

Airflow Range (60Hz)

865 to 12,400 m³/h (509 to 7,298 CFM verified at 60Hz)

Max Series Rating (50Hz)

Up to 25,000 m³/h on VKF 6D 800 (50Hz-only catalogue listing)

Impeller Diameter

200 to 800 mm (8 to 32 inch)

Electrical Supply

1~230V & 3~400V (50Hz & 60Hz models)

General Clean-Air Duty & Life-Safety Smoke Exclusion

LIFE-SAFETY & EMERGENCY SMOKE EXCLUSION: VKF fans are engineered strictly for general low-pressure clean-air ventilation. They do not possess high-temperature smoke-spill ratings (e.g. 400°C/2h) and must NOT be specified as life-safety smoke extract fans or dedicated emergency pressurisation units. For certified fire/smoke extract applications, refer to the VDO Axial Smoke Extraction Fan series.

Application Check

Is the VKF inline axial fan suitable for your duct project?

Review general clean-air ventilation suitability, 60Hz frequency availability, motor controller matching, and life-safety exclusions.

Approved Clean-Air Ducted Duty

Approved General Ventilation

Commercial building fresh air supply and general room exhaust via low-resistance ductwork
Industrial workshop ventilation, welding bay exhaust ducts, and mechanical room air turnover
Air transfer shafts, inter-zone pressure equalization, and clean air distribution ducts
Agricultural storage facilities and warehouse ventilation ducts

Speed-Control & 60Hz Verification Required

Controller & Frequency Check

Models from 200 to 630 mm have verified 60Hz catalogue data and aerodynamic curves
Large models (VKF 710 and 800 mm) are published strictly at 50Hz; 60Hz performance requires factory confirmation
Speed control requires matching thyristor (e.g., VENTS RS-1-400) or autotransformer to motor current and thermal leads
Multi-fan controller groupings must not exceed total controller ampacity

Special Duty & Hazardous Exclusions

Severe Airstream Exclusions

Emergency high-temperature smoke extraction or life-safety fire-smoke pressurisation (requires VDO series)
Flammable vapors, fuel storage areas, or ATEX/IECEx hazardous explosive atmospheres
Commercial kitchen grease hood exhaust (requires dedicated Upblast Roof Fans)
Corrosive acid gas or abrasive particulate transport (standard casing is polymer-coated carbon steel)

Airflow & Motor Performance

VKF Series Documented Performance Specifications

Complete documented performance data across single-phase (1~230V) and three-phase (3~400V) models from the VENTS OV/OVK/VKF technical catalogue.

Swipe horizontally to view all model specifications and frequency rows.

Model Code	Phase / Voltage	Frequency	Input Power (W)	Full Load Current (A)	Speed (RPM)	Airflow (m³/h)	Airflow (CFM)	Sound dB(A)	Air Temp
VKF 2E 200	1~230 V	60 Hz	61 W	0.28 A	2,550 RPM	875 m³/h	515 CFM	49 dB(A)	-30..+50°C
VKF 2E 250	1~230 V	60 Hz	91 W	0.42 A	2,990 RPM	1,150 m³/h	677 CFM	51 dB(A)	-30..+50°C
VKF 4E 250	1~230 V	60 Hz	56 W	0.24 A	1,730 RPM	865 m³/h	509 CFM	39 dB(A)	-30..+50°C
VKF 2E 300	1~230 V	60 Hz	178 W	0.79 A	2,410 RPM	2,280 m³/h	1,342 CFM	54 dB(A)	-30..+50°C
VKF 4E 300	1~230 V	60 Hz	92 W	0.40 A	1,405 RPM	1,475 m³/h	868 CFM	45 dB(A)	-30..+50°C
VKF 4E 350	1~230 V	60 Hz	147 W	0.66 A	1,700 RPM	2,650 m³/h	1,560 CFM	47 dB(A)	-30..+50°C
VKF 4E 400	1~230 V	60 Hz	240 W	1.08 A	1,655 RPM	3,890 m³/h	2,290 CFM	54 dB(A)	-30..+50°C
VKF 4E 450	1~230 V	60 Hz	325 W	1.46 A	1,600 RPM	4,790 m³/h	2,820 CFM	57 dB(A)	-30..+50°C
VKF 6E 450	1~230 V	60 Hz	161 W	0.80 A	1,115 RPM	3,250 m³/h	1,913 CFM	52 dB(A)	-30..+50°C
VKF 4E 500	1~230 V	60 Hz	455 W	2.05 A	1,630 RPM	7,130 m³/h	4,197 CFM	59 dB(A)	-30..+50°C
VKF 6E 500	1~230 V	60 Hz	268 W	1.22 A	1,105 RPM	5,380 m³/h	3,167 CFM	56 dB(A)	-30..+50°C
VKF 4E 550	1~230 V	60 Hz	654 W	2.88 A	1,580 RPM	8,970 m³/h	5,280 CFM	63 dB(A)	-30..+50°C
VKF 6E 550	1~230 V	60 Hz	375 W	1.63 A	1,060 RPM	6,520 m³/h	3,838 CFM	58 dB(A)	-30..+50°C
VKF 4E 630	1~230 V	60 Hz	979 W	4.26 A	1,625 RPM	12,100 m³/h	7,122 CFM	68 dB(A)	-30..+50°C
VKF 6E 630	1~230 V	60 Hz	610 W	2.74 A	1,075 RPM	10,990 m³/h	6,469 CFM	59 dB(A)	-30..+50°C
VKF 2D 250	3~400 V	60 Hz	92 W	0.24 A	3,030 RPM	1,150 m³/h	677 CFM	52 dB(A)	-30..+50°C
VKF 4D 250	3~400 V	60 Hz	89 W	0.22 A	1,750 RPM	885 m³/h	521 CFM	38 dB(A)	-30..+50°C
VKF 2D 300	3~400 V	60 Hz	165 W	0.29 A	2,570 RPM	2,390 m³/h	1,407 CFM	52 dB(A)	-30..+50°C
VKF 4D 300	3~400 V	60 Hz	94 W	0.25 A	1,640 RPM	1,530 m³/h	901 CFM	45 dB(A)	-30..+50°C
VKF 4D 350	3~400 V	60 Hz	150 W	0.41 A	1,640 RPM	2,590 m³/h	1,524 CFM	46 dB(A)	-30..+50°C
VKF 4D 400	3~400 V	60 Hz	195 W	0.55 A	1,625 RPM	3,870 m³/h	2,278 CFM	54 dB(A)	-30..+50°C
VKF 4D 450	3~400 V	60 Hz	275 W	0.65 A	1,620 RPM	5,350 m³/h	3,149 CFM	56 dB(A)	-30..+50°C
VKF 6D 450	3~400 V	60 Hz	175 W	0.47 A	1,050 RPM	3,580 m³/h	2,107 CFM	53 dB(A)	-30..+50°C
VKF 4D 500	3~400 V	60 Hz	370 W	0.70 A	1,605 RPM	6,230 m³/h	3,667 CFM	60 dB(A)	-30..+50°C
VKF 6D 500	3~400 V	60 Hz	281 W	0.59 A	1,015 RPM	5,430 m³/h	3,196 CFM	57 dB(A)	-30..+50°C
VKF 4D 550	3~400 V	60 Hz	600 W	1.10 A	1,605 RPM	7,380 m³/h	4,344 CFM	64 dB(A)	-30..+50°C
VKF 6D 550	3~400 V	60 Hz	447 W	0.95 A	1,020 RPM	6,520 m³/h	3,838 CFM	61 dB(A)	-30..+50°C
VKF 4D 630	3~400 V	60 Hz	910 W	1.68 A	1,585 RPM	12,400 m³/h	7,298 CFM	69 dB(A)	-30..+50°C
VKF 6D 630	3~400 V	60 Hz	716 W	1.56 A	1,060 RPM	11,120 m³/h	6,545 CFM	59 dB(A)	-30..+50°C
VKF 6D 710*	3~400 V	50 Hz*	1,150 W	2.00 A	830 RPM	15,440 m³/h*	9,088 CFM*	63 dB(A)	-30..+60°C
VKF 8D 710*	3~400 V	50 Hz*	700 W	1.50 A	710 RPM	12,000 m³/h*	7,063 CFM*	61 dB(A)	-30..+60°C
VKF 6D 800*	3~400 V	50 Hz*	1,850 W	3.70 A	915 RPM	25,000 m³/h*	14,715 CFM*	67 dB(A)	-30..+60°C
VKF 8D 800*	3~400 V	50 Hz*	700 W	1.70 A	710 RPM	15,550 m³/h*	9,153 CFM*	66 dB(A)	-30..+60°C

(*) 50Hz-Only Catalogue Listings Notice: Models marked with (*) (VKF 6D 710, 8D 710, 6D 800, and 8D 800) are published in the manufacturer catalogue strictly at 50Hz. The headline 25,000 m³/h series rating is specific to VKF 6D 800 at 50Hz. For Saudi Arabian 60Hz utility grids, maximum verified catalogue airflow is 12,400 m³/h (VKF 4D 630 at 3~400V 60Hz) or 12,100 m³/h (VKF 4E 630 at 1~230V 60Hz). When specifying 710 or 800 mm sizes for 60Hz projects, factory confirmation of the 60Hz motor winding and performance curve is required prior to order placement.

Dimensions & Flange Drilling

VKF Casing Dimensions & Flange Schedule

Dimensions in millimeters for inside casing diameter (ØD), flange pitch circle (ØD1), flange outer diameter (ØD2), mounting hole diameter (Ød), terminal box width (B), and overall casing length (L).

Swipe horizontally to view all dimensional measurements.

Model Type	Inside ØD (mm)	Pitch Circle ØD1 (mm)	Flange Outer ØD2 (mm)	Hole Ød (mm)	Box Width B (mm)	Length L (mm)	Mass (kg)	Nominal Duct Size
VKF 2E 200	205 mm	235 mm	255 mm	7.0 mm	290 mm	120 mm	3.0 kg	200 mm (8")
VKF 2E 250 / VKF 2D 250	260 mm	286 mm	306 mm	7.0 mm	340 mm	150 mm	3.9 kg	250 mm (10")
VKF 4E 250 / VKF 4D 250	260 mm	286 mm	306 mm	7.0 mm	340 mm	150 mm	4.0 kg	250 mm (10")
VKF 2E 300 / VKF 2D 300	310 mm	356 mm	382 mm	7.0 mm	410 mm	160 mm	6.2 / 5.7 kg	300 mm (12")
VKF 4E 300 / VKF 4D 300	310 mm	356 mm	382 mm	7.0 mm	410 mm	160 mm	6.2 kg	300 mm (12")
VKF 4E 350 / VKF 4D 350	362 mm	395 mm	421 mm	9.5 mm	450 mm	160 mm	7.7 kg	350 mm (14")
VKF 4E 400 / VKF 4D 400	412 mm	438 mm	465 mm	9.5 mm	500 mm	170 mm	8.1 kg	400 mm (16")
VKF 4E/4D/6E/6D 450	462 mm	487 mm	515 mm	9.5 mm	550 mm	200 mm	9.1 kg	450 mm (18")
VKF 4E/4D/6E/6D 500	515 mm	541 mm	570 mm	9.5 mm	600 mm	220 mm	11.0 kg	500 mm (20")
VKF 4E/4D/6E/6D 550	565 mm	605 mm	636 mm	11.5 mm	660 mm	230 mm	13.9 kg	550 mm (22")
VKF 4E/4D/6E/6D 630	645 mm	674 mm	715 mm	11.5 mm	740 mm	250 mm	16.4 kg	630 mm (24")
VKF 6D 710 / VKF 8D 710	725 mm	767 mm	805 mm	11.5 mm	835 mm	250 mm	30.0 kg	710 mm (28")
VKF 6D 800 / VKF 8D 800	800 mm	845 mm	880 mm	11.5 mm	910 mm	280 mm	40.0 kg	800 mm (32")

VENTS VKF Flanged Inline Dimensions Drawing

All Models (200–800 mm)

Diagram showing ØD, ØD1, ØD2, Ød, B, and L measurements

VENTS VKF dimensional schedule and mounting guidelines diagram

VENTS VKF 50Hz vs 60Hz Performance Matrix

Engineering Reference

Comparative specifications distinguishing 60Hz from 50Hz models

VENTS VKF performance matrix distinguishing 60Hz verified models from 50Hz-only configurations

Engineering Support

Selection Guide: VKF Inline Duct Fan Engineering

Key technical considerations regarding model naming, motor pole count, speed controller matching, and operating pressure curves.

VKF Flanged Duct Fan vs. OV / OVK Relatives

VKF is a cylindrical flanged inline fan designed specifically to connect directly into circular ventilation ducts. OV (square wall plate) and OVK (round wall plate) are intended for wall mounting and open room exhaust without inline duct bolting.

Single-Phase (E) vs. Three-Phase (D) & Motor Poles

'E' designates single-phase 1~230V motors; 'D' designates three-phase 3~400V motors. Number prefixes indicate pole count: 2-pole (approx. 2,400–3,000 RPM high speed), 4-pole (approx. 1,350–1,750 RPM medium speed), and 6/8-pole (approx. 710–1,100 RPM low noise).

60Hz Verified Models vs. 50Hz-Only Large Sizes

Models from 200 to 630 mm have verified 60Hz performance in the VENTS catalogue. Large 710 and 800 mm sizes are listed strictly at 50Hz (including the 25,000 m³/h peak rating on VKF 6D 800). For Saudi Arabia 60Hz projects, 710/800 mm require factory engineering review.

Speed Controller Matching & Thermal Protection

Speed control is supported via thyristor (smooth) or autotransformer (step) controllers. Match the controller's rated current to the motor's full-load amp draw. Thermal protection leads must be properly wired to the control circuit to ensure motor warranty.

Key Features

VENTS VKF Series Engineering Highlights

Design characteristics of the low-pressure flanged inline axial duct fan series.

Inline cylindrical steel casing with integral connecting flanges for direct bolting into ventilation ducts

High-quality blue polymeric powder coating provides durable protection against industrial atmospheric corrosion

Dynamically balanced wide-profile aluminum impeller for smooth aerodynamic operation and low vibration

External terminal box with cable gland mounted directly on the casing exterior for easy electrical wiring

Ball bearing motor design engineered for at least 40,000 hours of continuous trouble-free service life

Single-phase (1~230V) and three-phase (3~400V) motors with built-in thermal overheating protection

Verified 60Hz catalogue data and aerodynamic fan curves across 200 mm to 630 mm models

Compatible with smooth thyristor or multi-step autotransformer speed controllers

Specifications

Category Technical Specifications

Comprehensive engineering specifications for VENTS VKF low-pressure inline axial duct fans.

Swipe horizontally to compare all specifications.

Specification	Engineering Details
Product Category	Inline Fan
Product Type	Low-Pressure Inline Axial Duct Fan
Model Series	VENTS VKF Series (VKF 200 to VKF 800)
Impeller Diameter Range	200 to 800 mm (8, 10, 12, 14, 16, 18, 20, 22, 24, 28, and 32 inch)
Airflow Volume Range (60Hz)	865 to 12,400 m³/h (509 to 7,298 CFM verified at 60Hz across models)
Maximum Catalogue Airflow (50Hz)	Up to 25,000 m³/h on VKF 6D 800 (50Hz-only catalogue reference)
Motor Input Power	56 W to 979 W (60Hz models); up to 1,850 W (50Hz models)
Motor Speed Range	710 to 3,030 RPM depending on pole count (2, 4, 6, or 8 poles) and frequency
Protection Rating	Casing and external terminal box: IPX4; Motor protection: IP44
Transported Air Temperature	-30°C to +50°C (60Hz models); -30°C to +60°C (50Hz models)
Housing & Impeller Material	Steel casing and aluminum alloy impeller with polymeric protective coating
Compliance Documentation	VENTS catalogue PDF, technical submittal, commercial registration (CR), and COC

Inclusions & Options

Standard Inclusions vs. Optional Accessories

Base fan scope vs. optional counter-flanges, anti-vibration flexible connectors, and speed controllers quoted separately.

Standard Inclusions (Base Fan)

Supplied with every base VKF flanged fan assembly

Heavy-Gauge Rolled Steel Cylindrical Casing with Integral Connecting Flanges
Dynamically Balanced Aluminum Alloy Axial Impeller
Asynchronous External Rotor Motor with Ball Bearings
Casing-Mounted Sealed External Terminal Box (IPX4)
Factory Polymer Anti-Corrosion Coating (VENTS Blue Finish)
Integral Thermal Overheating Protection (Wired to Terminals)

Optional Accessories (Quoted Separately)

Specify matching accessories required during quotation review

Matching Circular Duct Counter-Flanges (Steel with Polymeric Coating)
Flexible Canvas / Neoprene Anti-Vibration Duct Connectors
Electronic Thyristor Smooth Speed Controllers (e.g., VENTS RS-1-400)
Multi-Step Autotransformer Speed Controllers (1-Phase & 3-Phase)
Protective Wire Grilles for Open Duct Intakes / Discharges

Applications

Where VENTS VKF Inline Axial Fans Are Deployed

Low-pressure supply, exhaust, and air-transfer ventilation through circular duct networks.

Commercial ducted supply

Removes: Delivers tempered fresh air through low-resistance building duct runs

General room exhaust

Removes: Extracts stale air, odors, and indoor moisture through ceiling duct networks

Workshops & light manufacturing

Removes: Ventilates process areas, toolrooms, and assembly lines via circular ducting

Air transfer shafts

Removes: Equalizes pressure and transfers airflow between adjacent building zones

Warehouse duct ventilation

Removes: Circulates air through high-bay duct branches in storage facilities

HVAC equipment ventilation

Removes: Provides auxiliary cooling airflow for transformer rooms and pump chambers

Agricultural storage halls

Removes: Supplies constant low-pressure air movement across produce and grain storage

MEP project procurement

Removes: Supplied with exact VKF model code, flange drawing, and Saudi submittal

Life-safety smoke extract notice: VKF fans are intended for low-pressure clean air. For emergency high-temperature fire smoke extraction or certified stairwell pressurisation systems, explore our VDO Axial Smoke Extraction Fan. For heavy-duty commercial ducted ventilation with high static pressure, explore our Axial Inline Fan (VMD-A Series) or OV Wall Mounted Axial Fan.

Selection support

What to Send for Correct VKF Fan Selection

Provide your target operating airflow at system pressure (m³/h or CFM), duct diameter (200 to 800 mm), voltage/phase, 60Hz frequency requirement, speed control method, and delivery city in Saudi Arabia.

Required operating airflow in m³/h or CFM at actual system static pressure (not free-air maximum)

Nominal duct diameter: 200, 250, 300, 350, 400, 450, 500, 550, 630, 710, or 800 mm

Electrical power supply: single-phase 1~230V vs. three-phase 3~400V at 60Hz utility power

Acoustic limits: 2-pole high-speed (51–69 dBA) vs. 4/6-pole lower-speed (38–59 dBA)

Speed controller requirement: fixed speed vs. thyristor controller vs. autotransformer switch

Installation orientation: horizontal inline duct vs. vertical duct shaft mounting

Quantity of fans and required matching counter-flanges or flexible connectors

Project city and delivery schedule across Saudi Arabia

Downloads

Documents & Procurement Files

Download the official VENTS OV / OVK / VKF catalogue PDF (2.7 MB) and request engineering submittal packages for MEP contractor approvals.

Download VENTS OV / VKF catalogue PDF (2.7 MB)Download PDF

VKF Technical Submittal & Specification ScheduleRequest Submittal

Cloud Electricals Company ProfileRequest Profile

Saudi Commercial Compliance (CR/VAT/COC)Request Compliance Docs

VMD-A Direct-Drive Axial Fan vs. VKF Comparison GuideView VMD-A Option

Related Commercial & Industrial Inline Fans

Explore other inline axial and centrifugal duct fan models to match higher pressure or emergency life-safety requirements.

Axial Inline Fan (VMD-A Series)

Heavy-duty cylindrical axial inline fan for ducted commercial and industrial ventilation

View Details

VDO Axial Smoke Extraction Fan

Certified high-temperature smoke-spill axial fan for emergency life-safety extraction

View Details

Steel Circular Inline Duct Fan

Medium-pressure backward-curved circular inline centrifugal fan for duct networks

View Details

OV Wall Mounted Axial Fan

Companion square wall-plate axial fan for wall-mounted exhaust and pressurisation

View Details

FAQ

VENTS VKF Fan Questions

Answers for MEP consulting engineers, contractors, procurement officers, and maintenance teams selecting VKF fans in Saudi Arabia.

All single-phase (1~230V: VKF 2E 200 through 6E 630) and three-phase (3~400V: VKF 2D 250 through 6D 630) models from 200 mm to 630 mm diameter have verified 60Hz performance tables and aerodynamic curves published in the VENTS catalogue. Large 710 and 800 mm sizes are published only at 50Hz.

Quotation Request

Request VENTS VKF Inline Axial Fan Quotation

Send your required fan size (200 to 800 mm), voltage/phase, 60Hz requirement, operating airflow, static pressure, quantity, and delivery city in Saudi Arabia.

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VKF Inline Axial Duct Fan

Flanged inline duct duty vs. emergency smoke extract

General Clean-Air Duty & Life-Safety Smoke Exclusion

Is the VKF inline axial fan suitable for your duct project?

VKF Series Documented Performance Specifications

VKF Casing Dimensions & Flange Schedule

Selection Guide: VKF Inline Duct Fan Engineering

VENTS VKF Series Engineering Highlights

Category Technical Specifications

Standard Inclusions vs. Optional Accessories

Where VENTS VKF Inline Axial Fans Are Deployed

Commercial ducted supply

General room exhaust

Workshops & light manufacturing

Air transfer shafts

Warehouse duct ventilation

HVAC equipment ventilation

Agricultural storage halls

MEP project procurement

What to Send for Correct VKF Fan Selection

Documents & Procurement Files

Related Commercial & Industrial Inline Fans

Axial Inline Fan (VMD-A Series)

VDO Axial Smoke Extraction Fan

Steel Circular Inline Duct Fan

OV Wall Mounted Axial Fan

VENTS VKF Fan Questions

Which VENTS VKF models have verified 60Hz performance curves?

What do the letters 'E' and 'D' mean in the VKF model code?

Is 25,000 m³/h a VKF airflow value, and at what pressure and frequency?

Which speed controller matches my selected VKF fan motor current?

Is the VKF fan approved for emergency fire/smoke extraction or pressurisation?

What is the maximum transported air temperature for the VKF fan?

What is the mechanical difference between VKF, OV, and OVK fans?

Request VENTS VKF Inline Axial Fan Quotation