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ROSTA
New Motorbase ATEX

New Motorbase ATEX

Product catalog summary

Introduction
The ROSTA Motorbase ATEX is designed for hazardous areas in compliance with the ATEX 94/9/EC Directive. It features a mechanical pretensioning device for optimal belt tensioning, requiring no additional checks post-installation and offering a maintenance-free period of several years.

Specifications
The Motorbase is suitable for environments with explosive gases (IIC group, temperature class T5) or combustible dust (max. surface temperature T100°C). It adheres to European Harmonized Standards EN 1127-1:2011, EN 13463-1:2009, and EN 13463-5:2011.

Installation Zones
The Motorbase can be installed in Zone 1 for gas presence (IIC group, T5) and Zone 21 for dust presence (max. surface temperature T100°C), with an ambient temperature range of -40°C to +80°C.

Customer Benefits

Prevents slack and heat-generating slippage, extending belt life.
Ensures ideal belt tension and constant torque transmission, reducing energy consumption.
Facilitates fast belt changes without complex adjustments.
Offers noiseless power transmission and maintenance-free operation.

Selection Table
The document provides a detailed selection table for ROSTA Motorbases according to motor frame sizes and power ratings, accommodating various motor speeds and configurations.

Contact Information
ROSTA AG is headquartered in Switzerland, with subsidiaries and distributors worldwide, ensuring global availability and support.

Catalog excerpts

ROSTA Motorbases ATEX Applications for hazardous areas according to ATEX 94/9/EC Directive

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ROSTA Motorbases ATEX The ROSTA Motorbase ATEX is offering with its mechanical pretensioning device the ideal calibration of the relevant belt tension, based on the test force recommendations of the belt suppliers. Motorbase ATEX is a specific ROSTA product developed to tension belts. It is a self tensioning unit where no additional check is required after first installation and has a long maintenance-free period for several years. The Motorbase MB ATEX is equipment to be used in environment with explosive gas of IIC group, temperature class T5, or combustible dust max. surface temperature T100°C....

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explosive atmosphere with presence of gas, vapour or mist explosive atmosphere with presence of dust type of protection (constructional safety ‘c’) T100°C max. surface temperature (T100°C) Tamb : -40°C ÷ +80°C range of ambient temperature ROSTA Motorb

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Customer benefits of the ROSTA Motorbases Short-term slippage by the start-up of large inertias, avoiding excessive tension on belt-carcass Fast belt changing, no need of complex readjustment of the pulleys ROSTA Motorbases ATEX 4 Fully maintenance-free tensioning system, no need of periodical compensation of belt elongation

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s ATEX in friction belt drives Prevents from slack accruement, avoids heat generating slippage of the belts and averts from premature belt failure Ideal belt tension, constant transmission of nominal torque, less energy consumption, can lead to threefold belt lifetime MB 70 Noiseless power transmission, all time ideally tightened belt sets ROSTA Motorbases ATEX 5

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ROSTA Motorbases ATEX Selection table of ROSTA Motorbases according to the frame sizes IEC Type of Motorbase ROSTA Motorbases ATEX 6 Standard Design

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· Multiple V-Belt lifetime · Compensating peak loads · No routine maintenance needed ROSTA Motorbases ATEX

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The Blue Ones from ROSTA The leading manufacturer of torsional rubber springs Australia www.rostaaustralia.com Canada www.rosta.ca China www.rostachina.com Germany www.rosta.de Italy www.rosta.com USA www.rosta.com DISTRIBUTORS Argentina [email protected] Austria www.haberkorn.com Belgium/Luxemburg www.mijnsbergen-atb.eu Brazil www.atibrasil.com.br Chile www.riosan.cl Czechia www.rupet.eu Denmark www.jens-s.dk Finland www.sks.fi France www.rosta.com Great Britain www.kobo.co.uk Greece www.alexandris.com Iceland www.falkinn.is India www.technotalent.in Japan www.mikipulley.co.jp Lithuania/Latvia...

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All ROSTA catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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