TefTEC™

Naturally hydrophobic expanded PTFE membrane filters designed for vent and gas applications. With over 8.5 square feet of filtration area, TefTEC filters provide outstanding flow rates. TefTEC filters are 100% flushed and integrity tested in a cleanroom environment.

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Products

Cleaning/Sanitizing Filters

Cleaning/Sanitizing Filters

This technical brief provides the Cleaning and Sanitizing Procedure for Graver Filter Products.

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Technical Brief

ACS-008 Citric Acid Plant Condensate Water

ACS-008 Citric Acid Plant Condensate Water

This case study details how Graver GFP 1-30P7E filters improved condensate water filtration for a citric acid plant, overcoming rust and dirt issues.

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Application Case Study

ACS-004 - Tank Vent for Citrus Juice

ACS-004 - Tank Vent for Citrus Juice

This application study focuses on the use of PTFE membrane filters in a citrus juice processing plant to prevent juice spoilage.

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Application Case Study

AB-002 Vent Filtration

AB-002 Vent Filtration

This case study explores the essential aspects of vent filtration, focusing on system sizing considerations for tank vent filters. It also emphasizes the importance of proper air flow to protect tank contents from contaminants.

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Application Case Study

High Flow Sizing

High Flow Sizing

This technical brief contains Housing Sizing Guidelines for Graver High Flow Filter Cartridges.

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Technical Brief

End Configurations

End Configurations

Use this technical brief to explore Graver Technologies' wde variety of end configurations for liquid filter cartridges.

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Technical Brief

TB-022 Deep Well Injection

TB-022 Deep Well Injection

This document discusses the importance of filtration in liquid processing, focusing on deep well injection sites. It emphasizes the need for effective filtration to maintain the quality of injected fluids and avoid clogging.

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Technical Brief

Glossary of Biotech Terms

Glossary of Biotech Terms

Every industry has an abundance of terms that may be used to describe products and processes. Because of the critical nature of the pharmaceutical and biotechnology markets and the fact that it is highly regulated, it is critical to define and understand some of the more common terms.

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Technical Brief

Membrane Role in Microbial Retention

Membrane Role in Microbial Retention

This technical brief explores the role of membranes in microbial retention.

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Technical Brief

Backwashing of Microfiltration Cartridge Elements

Backwashing of Microfiltration Cartridge Elements

This technical brief discusses the backwashing of microfiltration cartridge elements, a process used to clean filters by reversing flow to remove particles and extend filter life, particularly in applications like catalyst recovery and beer and wine filtration.

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Technical Brief

Graver Cartridge Regeneration Procedures for Wine & Beer Applications

Graver Cartridge Regeneration Procedures for Wine & Beer Applications

Explore Graver Technologies' Cartridge Regeneration Procedures for Wine & Beer Applications.

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Technical Brief

Membrane Wetting

Membrane Wetting

This technical brief explores Pre-Wetting Hydrophilic Membranes for Integrity Testing.

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Technical Brief

Integrity Testing: Pressure Hold

Integrity Testing: Pressure Hold

This technical brief identifies why integrity testing is crucial for membrane filters in bioburden control. Bubble point and diffusive flow are common, but Pressure Hold Test is recommended for multi-round housings.

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Technical Brief

ZTEC™ P Series

ZTEC™ P Sterilizing Grade membrane cartridges are validated for complete bacterial retention to yield product sterility in biopharmaceutical final filtration applications.

Key features

Manufactured in an ISO Class 7 Cleanroom Environment
100% flushed with ultrapure DI water
Meets ASTM Standards for Sterility
Repeatably Steamable/Sanitizable
100% Integrity tested prior to release
Pore size, lot and serial number are stamped on each filter element for identification and traceability
Complete validation guide available

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ZTEC™ WB Series

ZTEC™ WB Series

ZTEC™ WB cartridge filters use PES membrane to remove spoilage organisms and inorganic particulate to protect beverages.

Key features

Manufactured in an ISO Class 7 Cleanroom Environment
100% flushed with ultrapure DI water and integrity tested
Low adsorption of protein, color and flavor components
Steamable/sanitizable for cleaning and reuse
High log reduction values for spoilage organisms
PES membrane provides high capacity contaminant loading
Complete qualification guide available
Quick wet treatment available

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