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We get asked this a lot: can Classic Filters housings be used in an ATEX zone? For the stainless steel series listed on our ATEX declaration, the answer is yes. You can use them in Zone 1 (gas) and Zone 21 (dust), which is Group II Category 2, as long as qualified people install them…
Our instructions guide you, step by step, on how to best install the filter housing and filter element. They also provide explanations on housing labels, as well as information on maintenance intervals and general maintenance such as the torque value of the fittings.
Classic Filters have been awarded with our first Canadian Registration Number (CRN) for the province of Alberta. The filter housing designs covered by this CRN are currently being reviewed by the remaining provinces to give us registered designs in all jurisdictions. We are working towards CRN for all our filter housings. Click here to download…
So you’ve seen our blog on how to choose the right filter element, that we posted last a few weeks ago. Now we are going to explain how to make sure your selecting the correct filter housing for your application. As you probably know, we offer a wide range of filter housing and element combinations….
What is a 3.1 Material Certificate? A 3.1 certificate is issued by an authority which is independent of manufacturing and is validated by the manufacturers authorised inspection representative. It is equivalent to the “old” 3.1.B certificate. This is an inspection certificate according to EN 10204:2004. It declares the ‘metallic products’ are in compliance with the…
We are often asked if our filter housings conform to NACE. Of course, standard stainless steel filter housing products are produced from 316L bar stock so readily conform. But what are the NACE standards? We thought it would be interesting to talk about these some more detail. Who are NACE? NACE International, formerly known as…
Material traceability is very important in many industries. Classic Filters stainless steel filter housings are laser-engraved with a serial number to enable traceability after the item leaves the factory. How do we use this serial number to ensure complete traceability of the material back to the steel mill? Material is purchased for specific batches of…
From our online and social activities we have been learning and improving the pitfalls of the legacy way in which manufacturers and distributors operate with each other. As a modern company we want to close these boundaries and make life and sales for everyone much easier. With this in mind, our new four-page Product Range Overview Brochure makes it easy to see…
Today we have started producing nine SS117.221 housings in Duplex stainless steel for an order and it prompted us to talk about some of the exotic materials we are using to produce filter housings. Our standard stainless steel housings are constructed entirely from 316L stainless steel but we have also produced housings in 303 and…