Vent Filtration

Protect your stored liquids with Graver’s advanced vent filtration solutions—ensuring clean airflow and contaminant-free storage for optimal product integrity.

Effective Vent Filtration for Safe, Contaminant-Free Tank Storage

Tanks used for storing liquids require effective vent filtration to prevent microbial or particulate contamination. As liquid levels change, air must flow in or out of the tank to equalize pressure. A vent filter allows this airflow while protecting the tank and contents from contaminants. Properly functioning vent filters use hydrophobic media, such as PTFE membranes, to ensure air flows freely without letting liquid enter the filter. For optimal performance, the vent filter must remain dry to avoid clogging and maintain consistent airflow. Hydrophobic filters, like the Graver TefTEC™ Series, are designed to allow clean air to enter and exit the tank during filling and emptying, while removing dirt and microbes. Proper sizing of the vent filter is critical to prevent damage to the tank and ensure the process runs smoothly.

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Recommended Products For Vent Filtration

Graver Technologies offers specialized vent filtration solutions to protect stored liquids and ensure clean airflow.

Product Selection

‍TefTEC™ V – Hydrophobic PTFE membrane filter designed for high airflow applications, providing effective microbial and particulate protection.‍
TefTEC™ P – Durable PTFE membrane filter ideal for venting applications where consistent air quality and contaminant-free storage are essential.

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Frequently Asked Questions

How often should gas turbine filters be replaced?

This depends on the environment and filter type; however, pre-filters are changed every 3–6 months, while final filters may bechanged once in a year or two. Monitoring pressure drop is key to determiningreplacement timing.

What factors affect the operating life of a gas turbine filter?

Here are some factors:

Ambient dustand pollution levels
Operatinghours and load
Pulse-cleaningfrequency, depending on the type
Humidity andmoisture
Filter mediaand design

How do I know when a filter needs to be changed?

Differential pressure across the filter is animportant aspect in this case. If it increases beyond the set threshold, thefilter may be clogged or need cleaning or replacement.

What is pressure drop and why does it matter?

Pressure drop is the resistance to airflow through afilter. A high-pressure drop reduces turbine efficiency and increases energycosts. Selecting low-resistance filters helps improve performance.