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High-grade chemical seals systems Made in Germany

Benefit from the individual adaptation options of mechanical and electronic pressure gauges to your process. AFRISO provides high-quality chemical seal systems Made in Germany.

We combine diaphragm seals with pressure gauges and pressure transducers directly in our plant in Amorbach to meet your exact requirements. In Amorbach, what belongs together comes together: The chemical seals separate the measuring instrument from the medium and transfer the pressure to the measuring instrument. In the case of critical applications, they protect the measuring instrument from, for example, contaminated, hot, highly viscous, crystallising or especially corrosive media.

Choose from a wide range of materials, different coating options and various process connections. High-temperature versions, particularly robust or hygienic versions are also available.

Fully welded system for fewer sealing points in the process

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Series MD 60/61/62 diaphragm seals with clamp connection as well as our Varivent and Biocontrol chemical seals (series MD 56 & MD 63) are perfect for the instrumentation of hygienic processes in the pharmaceutical, food and biotechnology industries. The chemical seals are factory-welded to the required pressure gauge so that the system forms an inseparable, shock- and vibration-free unit. In addition, the number of sealing points is reduced as compared to conventional screw connections, thus minimising the risk of potential leaks in the process. CIP and SIP offer additional protection against contamination.

Complete portfolio for industry-specific applications

Challenge us with your requirements: AFRISO offers a wide range of chemical seal systems – also for your industry.

The application areas cover measurement of water, waste water, oil, chemicals, pharmaceutical products all the way to food.


Food industry, pharmaceutical and biotechnology applications

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  • Hygienic process connections
  • Hygienic materials and design (FDA-listed)
  • FDA-listed filling liquids
  • Suitable for SIP/CIP
  • Surface accuracy and welding seams with a roughness height of Ra ≤ 0.8 µm
  • Outstanding temperature performance
  • Depending on version: No dead space, NovA-septic®-compatible (1" to 3")

Chemical and process engineering

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  • Versatile process connections
  • Large selection of materials
  • High resistance to chemicals
  • Can be combined with pressure gauges, transmitters, pressure switches
  • High overload safety
  • Operating temperature range up to 400 °C

Mechanical engineering, machines, plants, lacquering facilities,construction machines, mining

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  • Best price/performance ratio
  • Robust and reliable
  • Shock- and vibration-resistant
  • Compact design
  • Customer-specific filling liquids
  • Silicone-free versions

Paper and pulp industries

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  • FFor highly viscous, polluted or hardening media
  • Can be welded directly to the pressure gauge
  • Optionally with longer tube, 18 mm
  • Silicone-free versions

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