stef_stof_technical_brochure - 24 Pages

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stef_stof_technical_brochure

Catalog excerpts

Roof fan ROOFMASTER STEF Standard, smoke extraction, ATEX

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Roof fan ROOFMASTER STEF ROOFMASTER STEF Seven roof fans offer real comfort ROOFMASTER is a series of roof fans designed for those who seek comfort in more ways than one. It runs quietly. It is easy to install and service. It fits in well in the environment. It is available with speed control. And it is efficient – for air flows up to 5 m3/s. Quiet operation A roof fan is there to provide the comfort you expect. Naturally, it must also function without generating unnecessary noise that can disturb those nearby. This is one of the features that we have focused on when we developed the...

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Roof fan ROOFMASTER STEF Broad range When we designed the ROOFMASTER, we have also taken into consideration “the comfort” of thosewho install and carry out service on the unit. The power roof ventilator is easy to fit to a roof duct or chimney. The motor is easily accessible for servicing, and it is located outside the air flow. The durable hinges and safety brackets make it easy to open the unit and reach the components inside. And the impeller with backwardinclined blades reduce the need for servicing. Broad range guarantees an easy selection. Beside the standard version there is an...

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Roof fan ROOFMASTER STEF Technical specification ROOFMASTER is a series of roof fans. The units are available in 7 sizes for air flows of up to 5 m3/s and for a maximum pressure rise of 650 Pa. Smoke extraction version ROOFMASTER STEF roof fans are available also in smoke extraction version and they come in 7 sizes. The smoke extraction roof fans have been tested according to standard EN 12101-3 for class F400 (400°C/2h) by SP Swedish National Testing and Research Institute. Material and design The fan casing in the standard version is made of pre-painted galvanised sheet steel, black; or...

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Roof fan ROOFMASTER STEF ROOFMASTEF STOF ROOFMASTER STOF-02 and 05 are available for smaller air flows between 10 and 180 l/s with max. pressure rise of 300 Pa. Material and construction The fan casing in the standard version is made of aluminium and zinc coated sheet steel. STOF-02 and 05 can also be supplied with an external polyester powder painting, color tone black (RAL 9005). The materials meet the requirements of the environmental class C4. The fan discharges air upward and the unit is very easy to dismantled for cleaning. Fan impeller and motor Fan impeller is made of plastic and...

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Roof fan ROOFMASTER STEF STEF-1 Sound data Sound path Surroundings To the duct The total A-weighted sound power level, LWA , emitted from the power roof ventilator to the surroundings can be read in the fan chart. The sound power level by octave band to the surroundings and to the duct (without A-weighting) can be obtained by using the following formula: Lwokt = LWA + Kokt The corrections Kokt are given in the table above. Dimensions Weight 31 kg Motor data Type Speed Output Max. current Smoke extr. 400ºC/2h r/min kW A Single-phase, 230 V, 50 Hz STEF-1-104-c-1-5 1430 0.04 0.9 Three-phase,...

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Roof fan ROOFMASTER STEF STEF-2 Sound data Sound path Surroundings To the duct The total A-weighted sound power level, LWA , emitted from the power roof ventilator to the surroundings can be read in the fan chart. The sound power level by octave band to the surroundings and to the duct (without A-weighting) can be obtained by using the following formula: Lwokt = LWA + Kokt The corrections Kokt are given in the table above. Dimensions Weight 31 kg Motor data Type Speed Output Max. current Smoke extr. 400ºC/2h r/min kW A Single-phase, 230 V, 50 Hz STEF-2-104-c-1-5 1425 0.12 1.3 Three-phase,...

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Roof fan ROOFMASTER STEF STEF-3 Sound data Sound path Surroundings To the duct The total A-weighted sound power level, LWA , emitted from the power roof ventilator to the surroundings can be read in the fan chart. The sound power level by octave band to the surroundings and to the duct (without A-weighting) can be obtained by using the following formula: Lwokt = LWA + Kokt The corrections Kokt are given in the table above. Dimensions Frequency converter 3 ~ supplied 1~ supplied Flat roof socket Flexible connection Motor 0 = three-phase motor 1 = single-phase motor 4 = 2-speed motor, higher...

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Roof fan ROOFMASTER STEF Sound data Number of motor poles or thes lower rpm 1 = pre-painted galvanised sheet steel, black 2 = aluminium and zinc coated sheet steel STEF-4-bbb-c-d-e Flat roof socket Flexible connection Mounting frame Back drought shutter Inlet sound attenuator Connection plate Safety isolation switch 1 = Standard, 6 = Smoke extraction, 9 91= ATEX for inverter drive 1 = for single speed 3-phase motors 2 = for 1-phase motors or two-speed 3-phase motors 0 = delivered loose, 1 = factory-wired- Transformer controller For other accessories please see pages 15 - 17 Specifications...

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Roof fan ROOFMASTER STEF Sound data Number of motor poles or thes lower rpm 1 = pre-painted galvanised sheet steel, black 2 = aluminium and zinc coated sheet steel STEF-5-bbb-c-d-e Flat roof socket Flexible connection Mounting frame Back drought shutter Inlet sound attenuator Connection plate Safety isolation switch 1 = Standard, 6 = Smoke extraction, 9 91= ATEX for inverter drive 1 = for single speed 3-phase motors 2 = for 1-phase motors or two-speed 3-phase motors 0 = delivered loose, 1 = factory-wired- For other accessories please see pages 15 - 17 Flakt Woods Specifications are subject...

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Roof fan ROOFMASTER STEF STEF-6 Sound data Sound path Surroundings To the duct The total A-weighted sound power level, LWA , emitted from the power roof ventilator to the surroundings can be read in the fan chart. The sound power level by octave band to the surroundings and to the duct (without A-weighting) can be obtained by using the following formula: Lwokt = LWA + Kokt The corrections Kokt are given in the table above. Dimensions Weight 116 kg Motor data Type Speed Max. current Output Smoke extr. 400ºC/2h r/min A kW Three-phase, 400 V, 50 Hz STEF-6-006-c-1-5 STEF-6-006-c-6-3 925...

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