Differential Pressure Indicator deltaP®

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Effective measuring solutions

At Friedrichs Filtersysteme, we understand the critical role that precise pressure monitoring plays in ensuring the optimal performance and longevity of your systems.
Our dedicated section on differential pressure indicators introduces a range of high-quality instruments designed to monitor variable pressure differences across a spectrum of applications.

The deltaP® differential pressure indicators are used to monitor a variable pressure differential by optical indication and electrical contacts at up to two points.

Friedrichs Filtersysteme offers a comprehensive range of features in its series of differential pressure indicators. Key highlights include:

  • frictionless transmission
  • hermetic seal
  • clear visibility
  • different electrical signal points available
  • clamp or plug connection
  • customizable materials
  • robust design
  • clear and customizable display
  • high switching capacity
  • ATEX compliance upon request

DP 5.01

Differential pressure indicator deltaP® - aggressive media

Materials

Housing: GK-AlSi 12 (Cu) (no contact with medium)
Interior housing: 1.4448 (CrNi Steel) (for medium-contact)
Pistons: 1.4435 (CrNi Steel) (for medium-contact)
Measuring element: 1.4310 (CrNi Steel) (for medium-contact)
Seal (roll membrane): NBR

Working conditions

Perm. operating overpressure 100 bar
Perm. operating temperature medium: max. 120°C
Measuring range: From 0,3 up to 5,0 bar, high pressure attachment available

DP 5.01 diagram
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DP 5.02

Differential pressure indicator deltaP® - standard version

Materials

Aluminum precision casting, hard-coated for medium-contacted parts and housings.
Seal (roll membrane): NBR

Working conditions

Perm. operating overpressure 100 bar
Perm. operating temperature: max. 120°C
Measuring range: From 0,3 up to 4,2 bar, high pressure attachment available

DP 5.02 product example
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DP 5.04

Differential pressure indicator deltaP® - maritime and non-magnetic

Materials

Non-magnetic materials for medium contacted parts and housing, completely seawater resistant
Housing: 1,4435 (CrNi Steel) (for medium-contact)
Pistons: 1,4435 (CrNi Steel) (for medium-contact)
Measuring element: 1.4310 (CrNi Steel) (for medium-contact)
Seal (roll membrane): NBR

Working conditions

Perm. operating overpressure 640 bar
Perm. operating temperature Medium: max. 120°C
Signal output: Optical / electrical. Clamp or plug connection possible.
Measuring range: From 0,3 up to 4,2 bar, high pressure attachment available

DP 5.04 product example
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DP 5.07

Differential pressure indicator deltaP® - minimalistic and robust

Materials

Housing Al, stainless steel, bronze, brass
Pistons Ms 58 (exposed to medium)
Measuring element 1.4310 (CrNi Steel) (exposed to medium)
Seal (roll membrane) NBR

Working conditions

Perm. operating overpressure 100 bar, 640 bar with stainless steel.
Perm. operating temperature Medium: max. 120°C
Measuring range: From 0,3 up to 5,0 bar, high pressure attachment available
Pure differential pressure switch without display

DP 5.07 product example
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Are you searching for a customised differential pressure indicator?

Differential Pressure Indicator "Configured as desired".
Friedrichs Filtersysteme understands that every application has its own unique requirements, and we are committed to providing customized differential pressure indicators to meet your specific needs.
Our deltaP® differential pressure indicators are designed for versatility and can be tailored to your exact specifications.

Customized Displays

We can create custom displays that incorporate your logo, company name, or other branding elements. This ensures that your equipment not only functions effectively but also reflects your brand identity.

Adjustable Measuring Ranges

We offer a wide range of adjustable measuring ranges to suit your specific application. Whether you need low-pressure or high-pressure measurements, we have the right indicator for you.

Membrane Seals and Special Seals

For applications with aggressive media or demanding environments, we can provide differential pressure indicators with membrane seals or special seals that provide enhanced protection and durability.

System Integrations and Data Loggers

We can integrate our differential pressure indicators into your existing control systems and provide data logging capabilities to track and analyze pressure readings over time.

Special Materials and Housings

We offer a variety of special materials, such as PVDF, to withstand harsh chemicals and extreme temperatures. We can also provide directly flangeable housings or special housings to meet your specific installation requirements.

Signal Output Options

Our differential pressure indicators can provide optical, electrical, pneumatic, or hydraulic signal output to suit your needs.

CONTACT US TODAY!

If you have any questions about our customized differential pressure indicators or would like to discuss your specific requirements, please contact us today. We are here to help you find the perfect solution for your application.