Sterile Diaphragm Seals

Sterile diaphragm seals isolate instruments from contamination, ensuring hygienic, accurate pressure measurement in pharmaceutical and food processes.

Sterile Flanged Diaphragm Seals
For hygienic, contamination-free measurement
Sterile Flanged Diaphragm Seals
Sterile In-Line Diaphragm Seals
Precise instrument isolation in sterile piping systems.
Sterile In-Line Diaphragm Seals
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Model 990.51 Diaphragm Seal with Sterile Connection
WIKA
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Model 990.30 Diaphragm Seal with Sterile Connection
WIKA
WIKA Diaphragm Seal with Sterile Connection, Model 990.30.png
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Sterile Connection, Diaphragm In-Line Seals - 981.50
WIKA
Wika Sterile Connection, Model 981.50
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Model 990.17 Diaphragm Seal with Sterile Connection
WIKA
WIKA Diaphragm Seal with Sterile Connection, Model 990.17
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Model 990.18, 990.19, 990.20, 990.21 Diaphragm Seal with Sterile Connection
WIKA
WIKA Diaphragm Seal with Sterile Connection, Model 990.18, 990.19, 990.20, 990.21
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Model DSS22P Pressure Gauge in Hygienic Design with Mounted Diaphragm Seal
WIKA
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Model 990.24 Sterile Process Connection Diaphragm Seal
WIKA
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Model 990.60 Sterile Connection Diaphragm Seal
WIKA
WIKA Sterile Connection Diaphragm Seal, Model 990.60
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Sterile Process Connection, Diaphragm In-Line Seal - 983
WIKA
Wika Sterile Process Connection, Model 983
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Sterile Diaphragm Seals

Sterile diaphragm seals are isolation devices designed for hygienic and sanitary pressure measurement applications, particularly where contamination prevention is critical. These seals incorporate a thin, flexible diaphragm integrated into a sealed housing, manufactured from stainless steel or other FDA-approved materials, ensuring compatibility with stringent cleanliness standards. The diaphragm transmits process pressure through a sterile, inert fill fluid, isolating sensitive measurement instruments from direct contact with process fluids.

The primary advantage of sterile diaphragm seals lies in their ability to maintain absolute sterility and cleanliness while providing accurate and reliable pressure measurements. By creating a hermetic barrier, these seals eliminate the risk of cross-contamination, bacterial growth, or product compromise, thus significantly enhancing product safety, compliance with strict sanitary regulations, and reducing the potential for costly process disruptions or recalls.

Sterile diaphragm seals are employed in industries with stringent hygienic requirements, such as pharmaceuticals, biotechnology, food and beverage processing, dairy production, brewing, cosmetics manufacturing, and medical device production. Their robust, sanitary design ensures compatibility with CIP (Clean-in-Place) and SIP (Sterilize-in-Place) procedures, simplifying cleaning protocols and reducing downtime.

Applications include pressure measurement in fermentation tanks, bioreactors, sterile filtration systems, chromatography processes, vaccine production, purified water systems, pasteurization units, and aseptic packaging lines. The sterile seals ensure that sensitive fluids remain uncontaminated, maintaining the integrity and purity required in high-quality production environments.

By providing reliable isolation and precise measurement, sterile diaphragm seals uphold product quality and enhance overall operational efficiency, regulatory compliance, and safety. Their use ensures seamless integration into critical hygienic process control systems, safeguarding both product integrity and consumer safety.