Product category:
Hydraulics and Pneumatics
News Release from: Festo | Subject: CPV10 Ex-i
Edited by the Processingtalk Editorial
Team on 12 November 2007
New IS valve terminal suitable for
hazardous areas
A new intrinsically safe valve terminal for hazardous areas, from the Festo CPV10 range, is easy to install, and adds to the ATEX capability available from Festo: see their FREE review booklet
Festo has launched an intrinsically safe version of its popular CPV10 valve terminal Known as the CPV10 Ex-i, the new model is designed specifically for use in potentially explosive atmospheres, in accordance with ATEX equipment category 2 (Gas Zone 1)
This article was originally published on Processingtalk on 3 Feb 2004 at 8.00am (UK)
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It can be mounted in close proximity to the pneumatic actuators and drives that it controls - resulting in short tubing lengths, which are essential for efficient short cycle time operation - and is particularly suitable for automation systems that employ decentralised control schemes.
The CPV10 Ex-i valve terminal can accommodate up to sixteen 3/2-way valves, and offers a wide variety of valve functions, including two 3/2-way, 5/2-way, single and double solenoid, and two 2/2-way.
All the valves feature intrinsically safe solenoid actuators to ensure that only low voltages and energy levels can occur; they are rated for 0 to 10 bar operating pressure and can handle flow rates as high as 400 litres/minute.
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The valve terminal uses a novel pneumatic multi-plate connector, which simplifies installation in IP65-rated control cabinets; instead of using a number of bulkhead fittings and tubing connections, the connector enables all pneumatic connections to be made via a single multi-way plate, which incorporates its own sealing ring and only requires one rectangular cut-out in the cabinet.
This helps minimise installation time, and contributes to a very neat appearance.
Festo was the first manufacturer to produce a wide range of pneumatics products that comply with Directive 94/9/EC (ATEX), and operates an aggressive test and certification programme aimed at expanding the number and types of products that can be used in hazardous areas with potentially explosive atmospheres.
The company's ATEX product portfolio includes six families of pneumatic cylinders, twelve families of drives and a range of proximity sensors for equipment categories 1 and 2, for both gas and dust.
There are also seven families of solenoid valves and coils, three families of pneumatic valves and a compact valve terminal - including its associated fieldbus and I/O modules - that are approved to directive RL 94/9/EC.
This wide product offering is rounded-out by an extensive range of ATEX-compliant pneumatic accessories, such as pressure regulators, filters, manual control valves and tubing.
Festo publishes a highly informative 24-page booklet titled 'Pneumatic Products and Explosion Protection' to help customers seeking ATEX-certified pneumatic and electro-pneumatic products or more information about the 94/9/EC (ATEX) directive.
The booklet details the various zones, equipment categories and degrees of protection covered by the directive, explains the meaning of the directive in the local language of each EU member country, and offers a comparison with American standards.
Printed copies of the booklet are available free of charge from Festo, or a PDF version can be downloaded from the Explosion Protection (APEX) page on the Festo website.
This web page also provides direct links to FAQs (frequently asked questions) and to an on-line library containing Operating Instructions and Declarations of Conformity for all Festo ATEX products - a list which now runs to 64 pages, and includes details of products that can be used in hazardous environments without requiring certification.
Machine builders can now effectively adopt a 'design before buy' strategy, and can simply download the documents covering each component used or retrofitted in an application, for presentation to the end-user. Request a free brochure from Festo ...
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