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Do you need a biogas filter system? The biogas produced by the anaerobic digestion of organic waste can be converted into biomethane, this is called biogas upgrading. To help prevent further CO2 emissions, this 100% renewable energy can be used to replace fossil fuels. Biogas upgrade technology Various biogas upgrading technologies are available such as…
Do you need a high pressure hydrogen filter? Here at Classic Filters we are used to solving high pressure applications and supply high quality hydrogen filters in different working pressures: 700 bar, 1050 bar and even up to 1400 bar. Your hydrogen application needs a safe and reliable filter. Hydrogen filters with flexibility Up to…
We have mentioned CE marks here before and there is now a new mark for products supplied to Great Britain. So what is the UKCA mark? Pressure Equipment Regulations (Safety) 2016 No. 1105 and UKCA mark The UKCA (UK Conformity Assessed) brand is the new product brand that will be required for some products placed…
Alternative energy is certainly very much in the news recently. Classic filters have helped the development of hydrogen fuel cell power modules in various countries around the world by providing high quality filtration units. Fuel cell power modules Our distributor in Denmark, PG Flowteknik , has been very active in supporting OEM customers in this…
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…
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…
What is SilcoNert®? SilcoNert® (formally called Sulfinert®) from SilkoTek® gives the ultimate passivation treatment of stainless steel surfaces. Filter elements and housings can adsorb active components in sample streams and the surface area of stainless steel filters can increase sample contact by a large amount. This is not a consideration with our disposable filter media as these offer…
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…
Due to popular demand the SS117 and SS127 series filter housings, our smallest internal volume 316L stainless steel types, can now be supplied from stock with 1/2” NPT ports. We are listening to our customers These versatile filter housings are specified for many applications with low and high pressures (up to 350 bar) and the…
We have mentioned CE marks on the blog before but what are they for? The Pressure Equipment Directive (2014/68/EU) and CE Marks The Pressure Equipment Directive (2014/68/EU) was adopted by the EU and from 2002 the PED is obligatory throughout the EU. The directive provides legal framework on a European level for equipment subject to a…
We have some great news. The very popular SS117 and SS127 series, our smallest internal volume 316L stainless steel filter housings, are now built as standard to 350 bar maximum working pressure. We know that most applications don’t require anywhere near this kind of pressure, but because we have been asked quite regularly for process…
A question that has arisen time and time again from our customers is do we manufacture Compressed Natural Gas (CNG) Filters and the simple answer is YES we do! and we have been doing so for many years. In fact we have a large number of products that can be used for compressed natural gas,…
Here at Classic Filters we have been asked to solve high pressure applications on several occasions. These high pressure applications have normally been up to 800 bar and require CE marks. Most recently we have been asked to work with more and more very high pressure filter applications, quite often with special connections in the…
Have you ever wondered what pushes the price of a CE marked filter housing with flanges up? You might be surprised to find out it’s the welding process. Not only is this an additional process in the production but it also then requires its own approval. Filter Housing Product Development The engineers and development team…