Stainless Steel Filter

How do we ensure Traceability of Stainless Steel Filters?

How do we ensure Traceability of Stainless Steel Filters?

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…

Filter Product News – SS117 and SS127 filter housings now with ½” NPT ports as standard

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…

SiS Series Filter Housing – Differential Pressure Indicator in Detail

SiS Series Filter Housing – Differential Pressure Indicator in Detail

The SiS series stainless steel filter housings have a Differential Pressure Indicator fitted into the top of the head. There are two small orifices connected to the inside of the ports – one goes to each side of the filter element. How does the DPI work? As the pressure drop increases the difference in pressure across the filter element will move the…

Custom filter housing porting – alternative to standard T-shape filter ports

Have you ever needed a custom filter housing with ports in different places to the standard T-shaped filter design? This is actually one of our more common requests. As you well know the standard T-shaped filter design has the inlet to the left of the head and outlet to the right of the head. Increasingly…

Filter Product News – SS117 and SS127 series are now rated at 350 bar

Filter Product News – SS117 and SS127 series are now rated at 350 bar

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…

High Pressure Filter Systems With Special Connections

High Pressure Filter Systems With Special Connections

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…

Filtering Samples with a High Level of Contaminate for a Petroleum Refinery

We were recently asked to solve a problem for a customer who saw high levels of pipe rouge and rust particles in his sample. The application was on white product blending. So What What Was The Problem? Unusually the problem was not so much to do with the filtration but with the stainless steel filter…

What is the most expensive part of a CE marked filter housing with flanges?

What is the most expensive part of a CE marked filter housing with flanges?

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…

A Filter to Protect an Analyser of Chlorine Levels – on Lettuce!

A Filter to Protect an Analyser of Chlorine Levels – on Lettuce!

We recently had an unusual application for our filter solutions in the food industry – cleaning salad! When salad arrives to be packed it is in a wash of chlorine, this is mostly to stop the growth of mould but also to kill bacteria and insects.Before the salad can be packed for the supermarket shelf,…