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Recently we had a customer who had installed a filter system in his sample system to protect an online analyser. This sample system comprised of a coalescing filter followed by a finer particulate filter. The customer wanted to be certain that any liquid being removed by the coalescing filter was draining away from the housing…
Does your application need a differential pressure indicator? Recently we were asked to solve a problem for a company operating unmanned oil production platforms. The way these platforms work mean that all of the systems are monitored remotely. Unless something out of the ordinary happens no-one visits the platforms until the regular service visit. However, one…
Anyone who has seen filters in action will know it is not an uncommon sight to find filters fitted with a simple gauze filter element. But what happens when a mesh filter is just not enough? These kind of filters are only intended for stopping large particles, they are often used in lines where scale,…
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,…
Fast Loop housings can be used in sample systems to transport the sample closer to the analyser at high speed to reduce analyser response times. Where do Fast Loop Filters fit? The housing fits into the fast loop or bypass line wand has a direct flow straight through the fast loop housing and through the…
In normal operational use the borosilicate glass microfibre filter element is perfectly strong enough for most applications and if the element is in an application where it remains dry it is fairly rare that it would need any kind of support. The main problems that can be seen are when disposable type microfibre elements are…
A packaging company recently came to us with a problem to do with their air operated process picking arms. At their packaging plant due to limited space and complicated routing of compressed air lines – which are notoriously wet and dirty – water was swamping the filters and travelling straight to the robotic process picking…
A question that has been asked a lot is when using a membrane as a filter to stop moisture passing, should the membrane be supported on one side or on both? The first thing to look at is the membrane itself. What is a membrane filter? The membrane is a very thin film of hydrophobic PTFE which means…
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…
Analyser manufacturers and system builders are often equested to have the filters accessible for ease of element change. The problems that are faced can include a complication in the systems where the element needs to be changed after each test or where shut down time has to be kept to a minimum. How We Make…
Do you need a Liquid Block option? One of the problems with a PTFE membrane is if it sees too much water, it will eventually breach and allow moisture through to the analyser or piece of equipment being protected. For this reason we always suggest that the membrane only be used as a police filter…
What is a borosilicate glass microfiber element? Borosilicate glass is known and used quite extensively throughout the glass industry, specifically for laboratory glassware, being made from Boron and Silica, and the microfibers are what they say they are, very fine fibre of specific diameters and lengths blended and formed in a specific manor to produce…
Live and Social have been looking after Classic Filters social media strategy and social media management since early 2011. As well as helping create this blog and plan the successful webinar series we have been trying to build up a network and engage with the Filter Industry on social media. We have been faced with…
A common question that is often asked is:- I have installed a coalescing filter but I’m still getting liquid out of the line at point of use, why? First point is that the coalescing filter should be fitted as close to the point of use as is possible. Why? As gas cools and the velocity drops…
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…
Here at Classic Filters we are constantly being asked to solve customers problems. Today we are going to look at two of the most common problems found in coalescing filtration and the use of catch pots:- 1. How to get the liquid away from the element? 2. How to extend the time required between each…