Critical Process Filtration Blog

Critical Insights Blog

Blog Feature

Bacteria Reduction/Removal | Integrity Testing | Water Intrusion Integrity Test | Diffusion Integrity Test

By: Critical Process Filtration
February 12th, 2023

If you’re using filtration to remove bacteria from your process, integrity testing will provide you with data to ensure product quality. Did you know you can perform integrity testing in-house without the huge expense of buying commercial equipment?

Blog Feature

How-To | Integrity Testing | Pressure Decay Test

By: Critical Process Filtration
May 12th, 2022

While filter ratings are a simpler integrity test for less critical applications is a Pressure Decay Test. This requires the same air (or nitrogen) source and an accurate pressure gauge but does not require a mass flow meter. This type of test can be performed before and after use and is sensitive enough to detect very small leaks.

Blog Feature

Forward Flow Diffusion Test | Integrity Testing | Water Intrusion Integrity Test | Bubble Point Integrity Test | Pressure Decay Test

By: Critical Process Filtration
July 1st, 2020

   Most Commonly Asked Filtration Question Series      Integrity Testing is a requirement of suppliers selling absolute-rated membrane cartridge filters for microbial reduction or removal of yeast and mold. Test results are validated to remove specific organisms and a certificate is included with each product proving the quality of the filter. In addition to vendor testing, manufacturers in different industries perform their own Integrity Tests for critical processes. In pharmaceutical and bioprocessing, industry regulations call for Integrity Testing at prescribed intervals in a process. In the Food & Beverage industry, although not mandatory, Integrity Testing is a strategic move to assuring product safety and quality. Today we'll discuss the need and steps for in-process integrity testing.