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Catalogs
Rosenberg Ventilatoren
Fans made of plastic (EPND)

Fans made of plastic (EPND)

Product catalog summary

Plastic Centrifugal Fans Overview: The document outlines the specifications and features of plastic centrifugal fans designed for handling aggressive mediums such as acidic or solvent vapors. These fans are suitable for industries like petrochemistry, textile production, and printing plants.

Specifications: The fans feature IEC standard motors and backward-curved impellers made from electrically conductive polyethylene, ensuring corrosion resistance. Impellers are dynamically balanced per DIN ISO 1940 standards.

Casing and Impellers: The casing is produced via rotational casting, allowing for easy motor and impeller removal without duct disconnection. Impellers are crafted from polypropylene with high efficiency and are reinforced with a stainless steel plate on the inlet side.

Position and Rotation: Casings can be rotated in 45° increments for flexible installation. Standard rotation is counter-clockwise, with an option for clockwise rotation upon request.

Performance and Noise: Air performance curves show total pressure increase relative to airflow. Noise levels are specified with A-weighted sound power levels for both inlet and outlet sides.

Chemical Resistance: The fans are resistant to various chemical vapors, suitable for both weak and strong concentrations of acidic and base vapors, as well as alcoholic and oily vapors.

Motors and Consoles: Equipped with 3-phase IEC standard motors with IP 55 protection class. Consoles made of special steel support the motor and casing. Motors can be controlled via frequency converters for variable speed control.

Contact Protection: Fans are supplied without finger guards. Users must ensure compliance with EN 12100 and EN 13857 standards for contact protection.

Technical Data: Detailed technical data is provided for different fan sizes, including power, current, speed, and weight. Accessories and wiring diagrams are also included.

Switches and Controllers Overview: The document also provides technical specifications for switches and controllers, detailing power capacity, protection rating, voltage, frequency, contact configurations, and dimensions.

Specifications:

Power Capacity: Ranges from 4 kW to 45 kW.
Protection Rating: All devices have an IP55 rating, indicating protection against dust and water jets.
Voltage and Frequency: Operate at 400V and support both 50 Hz and 60 Hz frequencies.
Main Contacts: Configurations vary from 2 NO to 9 NO, depending on the model.
Auxiliary Contacts: Typically 1 NO / 1 NC, with some models offering 3 NO / 1 NC.

Product Details:

Each product is identified by a unique Article Number and Type.
Models include GS 9 to GS 22, with specific configurations for each.

Dimensions:

Dimensions are provided for each model, indicating the size and housing input configurations.
Housing inputs vary, with options like 4 x M20, 2 x M20/25, and others, depending on the model.

Additional Features:

Some models include thermal contacts and specific housing inputs for enhanced functionality.

Catalog excerpts

Kunststoffradialventilatoren / Plastic Centrifugal Fans Kunststoffradialventilatoren mit Normmotor und rückwärtsgekrümmten Radiallaufrädern Plastic Centrifugal Fans with IEC standard motor and backward curved centrifugal impellers Typenschlüssel / Type Code einseitig saugend / single inlet Kunststoff / plastic Normmotor / IEC standard motor Drehstrom / three phase alternating current Laufraddurchmesser / impeller diameter Polzahl / number of poles Gehäusestellung und Drehrichtung / position of casing and sense of rotation

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Kunststoffradialventilatoren / Plastic Centrifugal Fans Eigenschaften und Ausführungen Kunststoffradialventilatoren finden ihre Anwendung bei der Förderung aggressiver Medien wie z.B. säure- oder lösungsmittelhaltige Dämpfe usw. Diese können in der Verfahrenstechnik, der Petrochemie, in Textilfabriken, in Druckereien, in Wäschereien usw. anfallen. Der Wellendurchgang wird mit einem auf der Laufradnabe mitlaufenden V-Ring aus Fluorkautschuk gegen die Gehäuserückwand abgedichtet. Die Anpresskraft der Dichtlippe reduziert sich bei steigender Drehzahl. Features and Construction Plastic centrifugal...

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Kunststoffradialventilatoren / Plastic Centrifugal Fans Den A-bewerteten Schalldruckpegel L PA in 1m Abstand erhält man annähernd, in dem man vom A-Schallleistungspegel 7 dB(A) abzieht. Zu beachten ist, das Reflexionen und Raumcharakteristik, sowie Eigenfrequenzen die Größe des Schalldruckpegels unterschiedlich beeinflussen. Die relativen OktavSchallleistungspegel LWArel bei den Oktav-Mittelfrequenzen sind aus den direkt zugeordneten Tabellen der jeweiligen Ventilatorentypen zu entnehmen. The „A“ weighted sound pressure level LPA at a distance of 1 metre is calculated approximately by deducting...

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Kunststoffradialventilatoren / Plastic Centrifugal Fans Baugröße / Size: 160 • korrosionsbeständiges Design • rückwärtsgekrümmtes Laufrad • Standard-Normmotor, IP55, ISO-Kl. F • Gehäusestellung: LG/RD nach EUROVENT • Anschlusskasten direkt am Motor, IP55 • Motorschutz durch Kaltleiter • Wellendurchführung mit V-Ring abgedichtet • direkter Einbau in Anlagen durch elastische Manschetten • corrosion-resistant design • backward curved impeller • IEC standard motor, IP55, ISO-Cl. F • position of casing: LG/RD (EUROVENT) • motor connection via IP55 terminal box • motor protection by PTC resistors •...

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Kunststoffradialventilatoren / Plastic Centrifugal Fans Baugröße / Size: 200 • korrosionsbeständiges Design • rückwärtsgekrümmtes Laufrad • Standard-Normmotor, IP55, ISO-Kl. F • Gehäusestellung: LG/RD nach EUROVENT • Anschlusskasten direkt am Motor, IP55 • Motorschutz durch Kaltleiter • Wellendurchführung mit V-Ring abgedichtet • direkter Einbau in Anlagen durch elastische Manschetten • corrosion-resistant design • backward curved impeller • IEC standard motor, IP55, ISO-Cl. F • position of casing: LG/RD (EUROVENT) • motor connection via IP55 terminal box • motor protection by PTC resistors •...

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Kunststoffradialventilatoren / Plastic Centrifugal Fans ' Gehausestellung: LG/RD nach EUROVENT 1 Anschlusskasten direktam Motor, IP55 1 Motorschutz durch Kaltleiter 1 direkter Einbau in Anlagen durch elastische Manschetten • corrosion-resistant design • backward curved impeller • IEC standard motor, IP55, ISO-CI. F • position of casing: LG/RD (EUROVENT) • motor connection via IP55 terminal box • motor protection by PTC resistors • shaft passage sealed with V-ring • direct installation by flexible joints Technische Daten / Technical Data: Schaltbild / Wiring diagram: Zubehor / Accessories: Se\te/Page...

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Kunststoffradialventilatoren / Plastic Centrifugal Fans Baugröße / Size: 250 • korrosionsbeständiges Design • rückwärtsgekrümmtes Laufrad • Standard-Normmotor, IP55, ISO-Kl. F • Gehäusestellung: LG/RD nach EUROVENT • Anschlusskasten direkt am Motor, IP55 • Motorschutz durch Kaltleiter • Wellendurchführung mit V-Ring abgedichtet • direkter Einbau in Anlagen durch elastische Manschetten • corrosion-resistant design • backward curved impeller • IEC standard motor, IP55, ISO-Cl. F • position of casing: LG/RD (EUROVENT) • motor connection via IP55 terminal box • motor protection by PTC resistors •...

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Kunststoffradialventilatoren / Plastic Centrifugal Fans Baugröße / Size: 280 • korrosionsbeständiges Design • rückwärtsgekrümmtes Laufrad • Standard-Normmotor, IP55, ISO-Kl. F • Gehäusestellung: LG/RD nach EUROVENT • Anschlusskasten direkt am Motor, IP55 • Motorschutz durch Kaltleiter • Wellendurchführung mit V-Ring abgedichtet • direkter Einbau in Anlagen durch elastische Manschetten • corrosion-resistant design • backward curved impeller • IEC standard motor, IP55, ISO-Cl. F • position of casing: LG/RD (EUROVENT) • motor connection via IP55 terminal box • motor protection by PTC resistors •...

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Kunststoffradialventilatoren / Plastic Centrifugal Fans • korrosionsbestandiges Design • ruckwartsgekrumrntes Laufrad ' Gehausestellung: LG/RD nach EUROVENT • Anschlusskasten direktam Motor, IP55 • Motorschutz durch Kaltleiter • Wellendurchfuhrung mitV-Ring • direkter Einbau in Anlagen durch elastische Manschetten • corrosion-resistant design • backward curved impeller • IEC standard motor, IP55, ISO-CI. F • position of casing: LG/RD (EUROVENT) • motor connection via IP55 terminal box • motor protection by PTC resistors • shaft passage sealed with V-ring • direct installation by flexible joints...

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