We get asked this a lot: which port threads can you put on a Classic Filters housing? Our standard is NPT. We also supply BSPT, BSPP (G), SAE threads, and medium-pressure coned and threaded ports when the rest of the system needs them. Mixing thread families is a common cause of leaks and damaged fittings….
Yes. Alongside our stainless steel CNG dispenser filters, Classic Filters manufactures a dedicated Natural Gas Vehicle (NGV) range for the gas system on the vehicle itself. Housings and coalescing cartridges sit before and after the pressure regulator. The full NGV product range lives on our sister site ngvfilters.com. If you found us on classicfilters.com first,…
Supercritical CO2 is becoming an important commercial and industrial solvent due to its role in chemical extraction with its low toxicity and environmental impact. Fractional Extraction uses the solvency power of CO2 at different pressures and temperatures to isolate desired oils, waxes and other herbal distillates from a variety of plant species. The graph opposite…
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…
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…
Oxygen service filters must be cleaned before use to remove dangerous grease and other contaminants. The CS04 Oxygen Cleaning Service can be performed on all high pressure stainless steel filters.
We offer a number of options for monitoring the pressure differential across the filter elements and have precise pressure differential indicators . So why would you need differential pressure ports? Some applications require alternative methods of DP monitoring and for these we can offer a pair of female NPT threaded ports at the top of…
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…
Analyser protection usually consists of a coalescing and/or a particulate type filter to remove liquids and solids. But what happens when the housing isn’t serviced and becomes flooded with liquid? The liquid will carry over and reach the sensitive (and expensive!) analyser – we have discussed this on the blog before in this post System…
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…
In this video we give an overview of our filter housings being used to protect pressure regulators. Need more information about our pressure regulator filters? You can leave a comment below or contact us by calling +44 (0)1634 724224 or send us an email to [email protected]
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…
Here we give you a quick run down of our analyser filters to help you specify the correct filter for your sampling system – both gas and liquid samples. Need more information about our sample system and analyser filters? You can leave a comment below or contact us by calling +44 (0)1634 724224 or send…
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…
Need more information about our stainless steel filters? You can leave a comment below or contact us by calling +44 (0)1634 724224 or send us an email to [email protected]
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…