Sterile In-Line Diaphragm Seals

Sterile in-line diaphragm seals ensure hygienic, contamination-free pressure measurement in sanitary pipelines for pharmaceutical and food processing.

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Sterile Connection, Diaphragm In-Line Seals - 981.50
WIKA
Wika Sterile Connection, Model 981.50
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Sterile Process Connection, Diaphragm In-Line Seal - 983
WIKA
Wika Sterile Process Connection, Model 983
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Sterile In-line Diaphragm Seals

Sterile in-line diaphragm seals for precise, contamination-free pressure measurement within hygienic and sanitary industrial process applications. Featuring a flexible diaphragm seamlessly integrated within a tubular in-line housing—typically constructed from polished stainless steel or FDA-compliant materials—these seals transmit process pressure accurately to measurement instruments via an inert, sterile fill fluid. This construction ensures reliable, direct insertion into process pipelines while isolating sensitive instruments from direct contact with sterile or hygienically sensitive media.

Sterile in-line diaphragm seals maintain stringent sterility and purity standards critical to sensitive process environments by providing a hermetic barrier that prevents bacterial contamination, product cross-contamination, and process fluid ingress. Their seamless design simplifies sanitation protocols, enabling effective Clean-In-Place (CIP) and Sterilize-In-Place (SIP) operations, further improving productivity and process efficiency.

They are widely utilized across industries requiring high levels of hygiene, such as pharmaceuticals, biotechnology, food and beverage production, dairy processing, brewing, cosmetics, medical device manufacturing, and fine chemical processing. Their robust construction and hygienic design make them particularly suited for integration into pipelines handling critical fluids under stringent sanitary conditions.

Common uses for sterile in-line diaphragm seals include measuring and monitoring pressure accurately in bioreactors, fermenters, sterile filtration systems, chromatography systems, aseptic filling and packaging lines, purified water loops, pasteurization units, dairy processing lines, and hygienic transfer systems. By ensuring precise measurement and isolation of instrumentation, sterile in-line diaphragm seals significantly enhance operational safety, compliance, and reliability in sensitive, sanitary process control applications.