Sample System

Too Much Liquid on my Membrane – what is the Liquid Block option?

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…

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…

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,…

Removing Water from a Diesel Sample with a PTFE Membrane

Removing Water from a Diesel Sample with a PTFE Membrane

One of our OEM customers successfully uses the SML206.221.M8 PTFE Membrane Housing to remove water from a diesel sample system prior to an on-line analyser. Recently a new application required a larger flow rate at lower pressure so we designed a new sized housing for them. The SML304 series uses a larger 89mm diameter PTFE…