Diaphragm seal with sterile connection MT-S110SN

1. Introduction to Diaphragm Seal with Sterile Connection MT-S110SN

The Diaphragm Seal with Sterile Connection MT-S110SN is a highly reliable and hygienic pressure interface solution designed for sanitary, pharmaceutical, biotechnology, and food & beverage industries. This diaphragm seal is specifically engineered to ensure accurate pressure transmission while preventing the process medium from coming into direct contact with the pressure measuring instrument. By using a flat stainless steel diaphragm and a sterile flush-mount connection, this model provides excellent cleanliness, ease of sterilization, and stability in demanding applications.

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2. Key Features and Design Advantages

The Diaphragm Seal with Sterile Connection MT-S110SN includes a range of advanced design features that make it ideal for sensitive and hygienic process environments:

• Flush-Mounted Stainless Steel Diaphragm: Ensures no fluid trapping, making it suitable for high-purity and sanitary processes.

• High Nominal Pressure Ratings (PN 600 and PN 1000): Allows operation in high-pressure applications.

• Adjustable Clamping Flange: Provides secure instrument connection and flexibility during installation.

• Optimized Diaphragm Base Volume: Enhances measurement accuracy by minimizing fill fluid volume which reduces temperature-related expansion errors.

• Multiple Sterile Filling System Options: Supports various process media and sterilization conditions.

• Flexible Measuring Device Connection Options:

  • Direct Welded

  • Direct Screwed

  • Capillary Extension

These features ensure that the MT-S110SN provides stable, accurate pressure measurement, even in high-viscosity media and sterile production environments.

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3. Suitable Application Industries

The Diaphragm Seal with Sterile Connection MT-S110SN is widely used across industries where hygiene, sterility, and process integrity are critical:

• Food Industry: For products like sauces, syrups, dairy liquids, juices, and edible oils.

• Pharmaceutical Industry: Suitable for sterile batch processing, reactor pressure monitoring, and medical-grade fluid systems.

• Biotechnology: Ensures aseptic measurement in fermentation tanks, cell culture systems, and enzymatic bioreactors.

• Dairy and Ice Cream Production: Prevents contamination and preserves flavor quality.

• CIP/SIP Sterilization Systems: Designed for conditions where frequent cleaning cycles occur.

Because the diaphragm is flush-mounted, it prevents buildup of viscous media and allows easy cleaning between production cycles.

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4. Pressure Compatibility and Measuring Instrument Integration

The Diaphragm Seal with Sterile Connection MT-S110SN is engineered for seamless integration with:

• Bourdon Tube Pressure Gauges

• Pressure Transmitters

• Pressure Switches

• Digital Pressure Instruments

This makes the seal highly versatile in various monitoring and control systems. The diaphragm seal acts as an interface between the process medium and the pressure sensor, ensuring that:

• The medium never contacts the measuring device.

• The pressure is accurately transmitted via a filled fluid chamber.

• The instrument is protected against corrosion, clogging, or contamination.

This makes the seal essential for high-viscosity or sterile media, especially in high-pressure applications.

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5. Standard Construction Materials

The MT-S110SN is constructed from materials that are resistant to corrosion and suitable for hygienic environments:

For special chemical or high-temperature conditions, other diaphragm materials are available upon request, including PTFE, Hastelloy, Titanium, and Tantalum.

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6. Operating Performance and Sterilization Compatibility

The Diaphragm Seal with Sterile Connection MT-S110SN supports:

• CIP (Clean-in-Place) cleaning

• SIP (Steam-in-Place) sterilization

• Autoclave sanitization cycles

These capabilities make it ideal for continuous production environments where downtime must be minimized.

The flat diaphragm ensures that no product residues remain, significantly reducing contamination risks and improving operational hygiene.

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7. Working Principle (Pressure Transfer Mechanism)

This diaphragm seal works based on hydraulic pressure transmission:

1. The process pressure is applied directly to the flat diaphragm.

2. The diaphragm transfers the pressure to a sealed fill fluid chamber.

3. The fill fluid transmits this pressure to the connected sensor.

4. The measuring instrument receives the exact pressure reading without contacting the medium.

This ensures accurate, clean, and reliable pressure measurement, even when the medium is:

• Highly viscous

• Contaminable

• Chemically reactive

• Sterile

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8. Advantages of MT-S110SN

• Prevents contamination and microbial growth

• High reliability in sterile environments

• Withstands high pressure and thermal fluctuations

• Suitable for thick, sticky, or crystallizing media

• Long service life due to corrosion-resistant materials

• Supports flexible mounting configurations

• Ideal for pharmaceutical and food production standards compliance

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9. Conclusion

The Diaphragm Seal with Sterile Connection MT-S110SN is a robust, hygienic, and precise pressure interface solution for industries where cleanliness, sterility, and accuracy are non-negotiable. Its flush-mounted stainless steel diaphragm, high-pressure capability, and multiple assembly methods make it suitable for a broad range of process conditions and industrial requirements.