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Pepperl+Fuchs Blog

Series 6000 Purge and Pressurization Systems replace Series 2000

Posted by Pepperl+Fuchs on Tue, Mar 16, 2021

Unlike containment or prevention, purge and pressurization separates general-purpose equipment from the surrounding potentially explosive atmosphere using a standard, lightweight enclosure. The enclosure is then purged with industrial-grade air or inert gas to eliminate all hazardous gas inside. Then, the flow is decreased to maintain a pressure higher than that of the dangerous external atmosphere. This prevents the flammable mixture from coming in contact with the components inside the enclosure.

Pepperl+Fuchs offers an array of purge systems. The 2000 series is a legacy system that is now obsolete, and its recommended replacement is the 6000 series—the latest Type X purge system from Pepperl+Fuchs.

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Topics: Purge/ Pressurization Systems, Explosion Protection Equipment, Explosion Protection

Why Use a Purge and Pressurization System?

Posted by ISC Sales on Mon, Apr 22, 2019

Specialized protective equipment has to be used in environments that contain gases, vapors, combustible dusts, and fibers to prevent these materials from catching fire or exploding. Purge and pressurization systems help control these explosion hazards by segregating the electrical equipment inside of an enclosure from the surrounding potentially explosive atmosphere. An economical alternative to heavy and expensive explosion-proof enclosures, purge and pressurization systems pressurize enclosures with clean, dry compressed air or inert gas so hazardous gas or dust cannot get in.

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Topics: Purge/ Pressurization Systems

Recognizing and Mitigating Combustible Dust Hazards

Posted by Ryan Brownlee on Mon, Oct 15, 2018

Combustible Dusts are a known hazard in a number of industrial fields. Recognizing dust as a potential hazard and taking the steps to mitigate the risks present are critical to the safety of your facility. The recently updated NFPA® 652: Standard on the Fundamentals of Combustible Dust is a useful resource for addressing combustible dust hazards and conducting a dust hazard analysis (DHA) within your facility.

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Topics: Purge/ Pressurization Systems

Bebco EPS® 4000 Series Purge and Pressurization System

Posted by Andre Clayton on Thu, Oct 04, 2018

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Topics: Purge/ Pressurization Systems

Pepperl+Fuchs in Katy Texas Weathers Hurricane Harvey and a Tornado

Posted by Kristen Barbour on Mon, Aug 28, 2017

On Friday, August 25th, Hurricane Harvey hit the South Texas coast. Consequently, the storm front struck our new manufacturing and warehouse building in Katy, Texas. High wind from a hurricane tornado damaged our roof structure, pulling air handling units from the roof and allowing water to enter the building.

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Topics: Purge/ Pressurization Systems, Industrial Monitors/ HMI, Explosion Protection Equipment

Communicating with Your HazLoc Control Panel

Posted by DJ Haney on Fri, Jan 27, 2017

When installing a purged control panel or industrial HMI in a hazardous location, power supplied to the control panel must be regulated so that components are not energized before the panel is protected by a purge cycle.

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Topics: Purge/ Pressurization Systems, Industrial Monitors/ HMI, Intrinsic Safety

How to Calculate the Maximum Enclosure Size for an Ex pz Purge and Pressurization System

Posted by Brent Dean on Fri, Sep 09, 2016

The maximum size of an Ex pz purge enclosure is determined by the pressure and flow that can be reached inside the enclosure. For this 'how to' post, I'll use our 5500 series purge system for the examples.

Depending on your application, there are three vent options that you can use with your system. The EPV-5500-…-01, EPV-5500-…-02, or EPV-5500-…-03. Each vent opens at a different back pressure and has different flow rates, which are listed below.

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Topics: Purge/ Pressurization Systems

Combining Explosion Protection Techniques to Reach Success

Posted by Alex Dzatko on Fri, Jul 29, 2016

Integrating complex electrical systems and components into hazardous areas typically requires combining different methods of industrial explosion protection to achieve a safe and certified solution. Our Solution Engineering Centers have the ability and the experience as a system integrator for solutions going into Zone 1 and 21 or Zone 2 and 22 areas. Our ATEX and IECEx certificates offer great flexibility, allowing  unique solutions for the challenges of putting complex electrical equipment in hazardous locations around the world.

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Topics: Purge/ Pressurization Systems, Approvals/ Certifications, Explosion Protection Equipment

What Are the Differences Between the 3 Vents for the 5500 Type Z Purge and Pressurization System?

Posted by Brent Dean on Fri, Jun 17, 2016

When using the 5500 Type Z purge and pressurization system, you are given 3 vent options to choose from.  This gives you the option to choose a vent based on the needs of your application. The 3 models are:

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Topics: Purge/ Pressurization Systems

How to Calculate Purge Time with the 5500 Type Z Purge and Pressurization System

Posted by Brent Dean on Fri, Apr 29, 2016

To calculate the purging time on our 5500 series Type Z purge system, there are four variables that you need to know:

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Topics: Purge/ Pressurization Systems

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