EPI App

EPI-HAZ

HAZ flow meters are certified for Hazardous Locations with an explosion-proof enclosure.

HAZ

Certified for Hazardous Locations

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

HAZ R

Transmitter Certified for Hazardous Locations with Remote Electronics

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

HAZ FAT

EPI’s Patented Flow Averaging Tube Technology with a Certified for Hazardous Locations

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

HAZ FAT R

EPI’s Patented Flow Averaging Tube Technology with a Transmitter Certified for Hazardous Locations and Remote Electronics

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

EPI-GEN

GEN flow meters are certified for Ordinary/General Locations with an corrosion resistant, watertight enclosure.

GEN

Certified for Ordinary Locations

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

GEN R

Transmitter Certified for Ordinary Locations with Remote Electronics

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

GEN FAT

EPI’s Patented Flow Averaging Tube Technology with a Transmitter Certified for Ordinary Locations

INLINE
2-6"
Line Size

INSERTION
MIN 2"
Line Size

GEN FAT R

EPI’s Patented Flow Averaging Tube Technology with a Transmitter Certified for Ordinary Locations and Remote Electronics

INLINE
2-6"
Line Size

INSERTION
MIN 2"
Line Size

EPI-VAL

VAL flow meters use the same accurate sensor technology, but offer a lower-cost alternative for those who do not need advanced features.

VALGEN-LM

EPI’s High Quality, High Value Flow Meter with an Explosion-Proof Rated Enclosure

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

VALGEN-RB

EPI’s High Quality, High Value Flow Meter with a NEMA 4X Rated (IP66) Enclosure

INLINE
1/4-2"
Line Size

INSERTION
MIN 1 1/2"
Line Size

EPI-PURE

PURE thermal mass flow meters are specifically engineered for ultra high-purity applications.

PUREGEN-LM

EPI’s High Purity Flow Meter with an Explosion-Proof Rated Enclosure

INLINE
1/4-4"
Line Size

PUREGEN-RB

EPI’s High Purity Flow Meter with a NEMA 4X Rated (IP66) Enclosure

INLINE
1/4-4"
Line Size

EPI-XT

EPI XT mass flow meters are designed to measure gas flow in extreme temperature environments.

525CR

EPI’s High Temperature Flow Meter with an Explosion-Proof Rated Enclosure and Remote Electronics

INSERTION
MIN 1 1/2"
Line Size

200C

EPI’s High Temperature Flow Meter with an Explosion-Proof Rated Enclosure

INSERTION
MIN 1 1/2"
Line Size

EPI-MULTIGEN

The EPI MULTI series flow meters are multi-point, which use multiple connected sensor assemblies connected to a remote control panel for metering large pipes/ducts.

MULTIGEN

EPI’s Multi-Point Meter, Offering Accurate Flow Measurement for your Large Pipe, Duct, and Stack Applications

INSERTION
MIN 2"
Line Size

EPI-SWITCH

SWITCH flow switches are built with an explosion-proof rated enclosure and can be used to monitor gas flow accurately.

SWITCHGEN

Flow Switch with an Explosion-Proof Rated Enclosure

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

Hazardous Locations Flow Meters

HAZ flow meters are certified for Hazardous Locations with an explosion-proof enclosure.

HAZ

Certified for Hazardous Locations

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

HAZ R

Transmitter Certified for Hazardous Locations with Remote Electronics

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

HAZ FAT

EPI’s Patented Flow Averaging Tube Technology with a Certified for Hazardous Locations

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

HAZ FAT R

EPI’s Patented Flow Averaging Tube Technology with a Transmitter Certified for Hazardous Locations and Remote Electronics

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

General Locations Flow Meters

GEN flow meters are certified for Ordinary/General Locations with an corrosion resistant, watertight enclosure.

GEN

Certified for Ordinary Locations

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

GEN R

Transmitter Certified for Ordinary Locations with Remote Electronics

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

GEN FAT

EPI’s Patented Flow Averaging Tube Technology with a Transmitter Certified for Ordinary Locations

INLINE
2-6"
Line Size

INSERTION
MIN 2"
Line Size

GEN FAT R

EPI’s Patented Flow Averaging Tube Technology with a Transmitter Certified for Ordinary Locations and Remote Electronics

INLINE
2-6"
Line Size

INSERTION
MIN 2"
Line Size

High Value Low Cost Flow Meters

VAL flow meters use the same accurate sensor technology, but offer a lower-cost alternative for those who do not need advanced features.

VALGEN-LM

EPI’s High Quality, High Value Flow Meter with an Explosion-Proof Rated Enclosure

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

VALGEN-RB

EPI’s High Quality, High Value Flow Meter with a NEMA 4X Rated (IP66) Enclosure

INLINE
1/4-2"
Line Size

INSERTION
MIN 1 1/2"
Line Size

High Purity Flow Meters

PURE thermal mass flow meters are specifically engineered for ultra high-purity applications.

PUREGEN-LM

EPI’s High Purity Flow Meter with an Explosion-Proof Rated Enclosure

INLINE
1/4-4"
Line Size

PUREGEN-RB

EPI’s High Purity Flow Meter with a NEMA 4X Rated (IP66) Enclosure

INLINE
1/4-4"
Line Size

High Temperature Flow Meters

EPI XT mass flow meters are designed to measure gas flow in extreme temperature environments.

525CR

EPI’s High Temperature Flow Meter with an Explosion-Proof Rated Enclosure and Remote Electronics

INSERTION
MIN 1 1/2"
Line Size

200C

EPI’s High Temperature Flow Meter with an Explosion-Proof Rated Enclosure

INSERTION
MIN 1 1/2"
Line Size

Multiple Sensor Flow Meters

The EPI MULTI series flow meters are multi-point, which use multiple connected sensor assemblies connected to a remote control panel for metering large pipes/ducts.

MULTIGEN

EPI’s Multi-Point Meter, Offering Accurate Flow Measurement for your Large Pipe, Duct, and Stack Applications

INSERTION
MIN 2"
Line Size

Flow Switches

SWITCH flow switches are built with an explosion-proof rated enclosure and can be used to monitor gas flow accurately.

SWITCHGEN

Flow Switch with an Explosion-Proof Rated Enclosure

INLINE
1/4-4"
Line Size

INSERTION
MIN 1 1/2"
Line Size

Help Me Choose

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Do you require approvals?

Hazardous Locations/Explosion-Proof
(CSA/CUS, IECEx, KOSHA, ATEX)

No Approvals Needed

CSA/CUS Non-Hazardous / General Locations

Custom Order a Meter

We offer many diffrent configurations, and can meet most application requirements.

Request a custom meter configuration below.

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HomeTechnical Information

Technical Information

Everything you need to know about EPI flow meters and more!

A Full Guide to Thermal Mass Flow Meters

Get the latest on everything you should know about these flow meters and what makes the technology so important to so many different industries and applications.

Agency Approvals & Certificates

Learn about the approvals and certifications that our EPI flow meters have passed, proving reliable in both hazardous and ordinary locations.

Installation

View our guide on thermal mass flow meter installation for inline and insertion styles, with included tips to help you complete the task worry-free.

Meter Considerations

In order to ensure that your new meter will be a perfect fit for your application, there are certain parameters to keep in mind. Get the right meter for the job the first time!

Meter Configurations

Learn about the different mounting styles available for our flow meters, as well as the differences between the integral and remote electronics and what they are used for.

Technology Comparison

View a list of many different types of flow meters, how they operate, and what applications they are ideal for.

Operational Theory

See an in-depth breakdown of the science behind thermal mass flow meters and how they accurately and reliably provide flow and temperature measurements.

Large industrial plant that uses flow meters

Industrial Applications for Meters

Thermal mass flow meters are used in many different industries in an almost unlimited variety of ways. These are some of the most common.

White Papers

Get more detailed information about flow meters and how they operate in different industries, and how EPI flow meters are used every day to solve real world problems.

Gases We Flow

EPI flow meters can accurately measure the flow of many different gasses, including custom gas mixtures. Your new flow meter will be calibrated and tested with your specific gas mixture before shipping it out.