Box Ventilator

Product catalog summary

Technical Specifications
The document outlines the features of the high-efficiency fan model PRVM, which is designed for medium and low capacities with high pressures. It includes backward blades suitable for pneumatic conveyance of gases and granulated materials. The fan is made from robust enamelled sheet metal with a steel blower that is both statically and dynamically balanced. Standard operating conditions are set at an air temperature of 15°C and a pressure of 760 mm Hg.

Noise and Orientation
Noise levels are measured at four cardinal points, 1.5 meters from the fan, excluding motor and transmission noise, in accordance with UNI regulations 7179-73P. The fan can be oriented in 16 different positions, with 8 clockwise (RD) and 8 counterclockwise (LG) options, viewed from the drive side.

Special Constructions
Special versions of the fan include spark-proof features using non-ferrous materials, corrosion-resistant versions with special coatings or stainless steel, and temperature-resistant versions with cooling discs for temperatures up to 300°C. Special arrangements are available for temperatures up to 450°C.

Ordering Specifications
When placing an order, it is necessary to specify the type of fan, capacity, absorbed power, pressure, motor power, and RPM. Additional details required include fan orientation, drive arrangement, optional extras, and motor specifications such as type, power, speed, electrical supply, and special features.

Weight and Performance Curves
The document provides weight and performance curves for various fan models, indicating maximum rotation speeds and tolerances for noise and absorbed power. For instance, the PRVM 400 N model has a maximum rotation speed of 5000 RPM for temperatures below 100°C, with a noise tolerance of +3 dB(A) and an absorbed power tolerance of ±3%.

Catalog excerpts

ANTIPOLLUTION SYSTEMS Esecuzione 4ExΩcution 4Arrangement 4Ausfhrung 4 Ejecucin 4Esecuzione 1Ex쳩cution 1 Arrangement 1Ausfhrung 1Ejecucin 1 CAMPO D쳒IMPIEGO E CARATTERISTICHECHAMP DUTILISATION ET CARACTERISTIQUES TECHNICAL SPECIFICATION ANWENDUNGSGEBIETE UND TECHNISCHE DATENCAMPO DE APLICACION Y CARACTERISTICAS Ventilatore adalto rendimento: Caratteristiche di funzionamento: Mod. PRVM. condizioni dellҒaria in aspirazione T = 15 C, p=760 mmHg. Campo di lavoro: portate piccole e medie, prevalenze alte. RumorositР: i valori di rumorosit sono ottenuti attraverso letture eseguite nei 4 punti cardinali alla distanza di 1,5 mt dal ventilatore. Sono esclusi motore e trasmissione; letture in campo libero con ventilatori intubati secondo norme UNI 7179-73P. Tipo di pale: rovesce Applicazioni: per trasporto pneumatico, fumi, polveri fini. Adatto al trasporto di materiali solidi in miscela conaria, trucioli e segatura, con ventilatore non attraversato. Orientamenti: i ventilatori serie PRVM ammettono 16 posizioni di orientamento (8 orarie RD e 8 antiorarie LG) definite guardando il ventilatore dal lato trasmissione. Temperature del fluido: C, esecuzioni speciali arichiesta per temperature fino a 450 fino a 60 ర C in esecuzione standard; esecuzionispeciali per temperature superiori. C. Costruzioni speciali: versione antiscintilla con rasamenti sulle parti nonrotanti potenzialmente a contatto con la ventola in materiale non ferroso. Versione anticorrosiva: ese- cuzione con verniciature o materiali speciali (acciaio inox). Versione per alte temperature: con ventolina di raffreddamento fino a 300 Caratteristiche costruttive: ventilatore di costruzione particolarmente robusta eseguito in lamiera verniciata, ventola in acciaio equilibrata staticamente e dinamicamente. > 7 size="-2">

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ANTIPOLLUTION SYSTEMS Ventilateur Πhaut rendement: Constructionspecifications: Mod. PRVM. rigid construction in enamelled sheet metal. Steelblower statically and dinamically balanced. Domaine dutilisation: dҩbits modestes et moyens, pressions hautes. Workingprinciples: condition of the ducted air T=15 C, p=760 mm Hg. Type de pales: inclinЩes (renverses). Noise level: noise level are obtained by readings taken at 4 points,at a distance of 1.5 mt from the fan. Motors and transmission are excluded. Readings are in free field with a ducted fan according to UNI regulations 7179- 73P. Application:...

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