Duct Fans

AR 800DS sileo Centrifugal circular

Product Code:37418

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AR 630E6 sileo 10,620m³/h Axial circular duct fan

Product Code:37391

£1,236.50 £1,483.80 As low as £1,335.42

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AR 630DV sileo 15,900m³/h Axial circular duct fan

Product Code:37392

£1,287.31 £1,544.77 As low as £1,390.30

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AR 630DS sileo 11,200m³/h Axial circular duct fan

Product Code:37393

£866.34 £1,039.61 As low as £935.64

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AR 560DV sileo 11,350m³/h Axial circular duct fan

Product Code:37390

£825.42 £990.50 As low as £891.46

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AR 500E4 sileo 8,900m³/h Axial circular duct fan

Product Code:37387

£653.09 £783.71 As low as £705.34

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AR 500DV sileo 9,100m³/h Axial circular duct fan

Product Code:37388

£632.63 £759.16 As low as £683.24

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AR 450E4 sileo 7,300m³/h Axial circular duct fan

Product Code:37385

£591.72 £710.06 As low as £639.06

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AR 450DV sileo 7,200m³/h Axial circular duct fan

Product Code:37386

£553.17 £663.80 As low as £597.42

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AR 315E4 sileo Axial fan

Product Code:34463

£401.99 £482.39 As low as £434.15

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AR 300E4 sileo 1,800m³/h Axial circular duct fan

Product Code:37378

£296.12 £355.34 As low as £319.81

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AR 250E4 sileo 1,000m³/h Axial circular duct fan

Product Code:37377

£264.13 £316.96 As low as £285.26

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AR 250E2 sileo 1,780m³/h Axial circular duct fan

Product Code:37376

£282.93 £339.52 As low as £305.56

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AR 200E4 sileo 420m³/h Axial circular duct fan

Product Code:37375

£259.97 £311.96 As low as £280.76

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AR 200E2 sileo 890m³/h Axial circular duct fan

Product Code:37374

£259.97 £311.96 As low as £280.76

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CJBX/AL-7/7-0.75 230/400V. Belt-driven ventilation units

Product Code:1009797

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Information

Duct fans are an essential component of ducted ventilation systems. Their task is to overcome pressure losses on long runs of ductwork to ensure that the air flows through the complete length of the ducted system. They are characterised by having spigot or flange connections to allow them to be connected to the ducting both upstream and downstream.

Found in diverse applications including domestic, commercial and industrial ventilation systems, duct fans can be either of a centrifugal design or axial type.

Puravent supplies an extensive range of duct fans, with options including thermo duct fans, circular duct fans, rectangular duct fans, and box duct fans. Our products are supplied by leading manufacturers including Systemair and Sodeca, with a choice of sizes and configurations to suit the needs of your application. If you require any assistance, please call us on 01729 924108 to discuss your requirements.

Heat Load	Watts	BTU
Average The Room Is A Normal Residential Room, Office, Reception Area Or Similar, Where There Is Not Overly Crowded With People, Computer And Office Equipment.
Above Average There Are Factors That Contribute To Additional Heat Being Generated In The Room E.G. Strong Lighting, Overcrowding With People And Office Equipment, Conservatory Type Room, Or Flat Roofed Room.
High There Are Factors That Contribute To A High Heat Load In The Room. E.G. Commercial Cooking, Much Computer And Server Equipment, Switchgear, Temporary Building With Thin Walls And Flat Room, Plain Glass Conservatory.

Variable	Units	Notes/Guidance
System Airflow	M3/Hr	If you have it in cfm then multiply your cfm value by 1.7 to get m3/hr
Average Combined Pressure Drop Of Filters Of Higher Than F6 Efficiency	Pascals	F8 bag filters pressure drop - typical clean clean to dirty, 160 - 250 Pascals F9 compact filters pressure drop - typical clean to dirty, 160 - 350 Pascals H10 HEPA filter pressure drop - typical clean to dirty, 250 - 600 Pascals 9.8 Pascals = 1 mm wg, & 249 Pascals = 1 inch wg
Carbon Filters Pressure Drop	Pascals	For compact type carbons pressure drop between 100 - 150 Pa Bonded carbon panels typically 150 - 170 Pa Loose granular carbon panels typically 130 Pa
Annual Operational Hours	Hrs/Annum	8760 hours in a year If operating for 5 days a week, excluding public holidays, for 12 hrs/day = 3000 hrs
Cost Of Power	Pence Per Kwh	Huge variance in what different companies pay. heck your last bill to be sure, otherwise put in 10p
Fan Efficiency	(As Decimal Value, Eg 100%=1)	Would typically be around 60%, so if you don’t have specific information use 0.6
Fan Motor Efficiency	(As Decimal Value, Eg 100%=1)	Larger motors should be around 90%, so if you don’t have specific information use 0.9

The Total Average Pressure Drop Over Your Higher Efficiency Filters And/Or Carbon Filters Is;		Pascals
This Pressure Drop Is Costing In Energy Alone	£	Per year
It Is Probable That A Sanuvox In-Duct System Could Break Down The Biological, Chemical And Odourous Contaminants On This Air Flow For Between 16 And 25% Of This Running Cost	£	Lower energy cost estimate of an equivalent Sanuvox system (16%)
	£	Higher energy cost estimate of an equivalent Sanuvox system (25%)

Type Of Building	Kw Range		BTU Range
Sports Centres
Retail Premises
Office Premises
Small Industrial Unit
Medium Industrial Units
Larger Industrial Buildings
School/Community Halls
Churches

Room/building volume	m3
Temperature differential (deltaT °C)	°C

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