The Alfa Laval SMP-BCA Mixproof Valve with PTFE diaphragm is an aseptic double-seal valve designed for operation under aseptic conditions and high-temperature sterilization. Based on the Alfa Laval SMP-BC, the SMP-BCA features a straightforward design that keeps liquids separated using two seals on the same plug with a leakage chamber in between. This aseptic double-seal mixproof valve is designed for extended shelf-life and aseptic applications in the dairy, food, beverage, biotech, pharmaceutical and many other industries.
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How does Alfa Laval SMP-BCA work? |
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The Alfa Laval SMP-BCA Mixproof Valve is operated by means of compressed air from a remote location. This aseptic valve is a normally closed (NC) valve. A specially designed diaphragm unit with a PTFE face and reinforced EPDM rubber backing ensures sterile steam sealing, prevents intrusion from the atmosphere and does not allow product residues to build up on the product contact surface. The product lines are separated by two seals and a sterile barrier chamber to prevent mixing the products and to ensure immediate indication in the event of leakage from one of the seals. Two small pneumatic normally open (NO) valves control flow to and from the sterile barrier chamber. The barrier chamber must be clean and sterile when the main valve is closed. |
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