{"id":23564,"date":"2025-10-23T10:32:21","date_gmt":"2025-10-23T08:32:21","guid":{"rendered":"https:\/\/fedegari.com\/?p=23564"},"modified":"2025-10-23T11:04:22","modified_gmt":"2025-10-23T09:04:22","slug":"precision-under-pressure","status":"publish","type":"post","link":"https:\/\/fedegari.com\/en\/precision-under-pressure\/","title":{"rendered":"Precision Under Pressure: Protecting Pre-Filled Syringe Integrity with the Fedegari FOA Steam-Air Sterilizer"},"content":{"rendered":"

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HOME<\/a> <\/i><\/b><\/span> NEWS\u00a0<\/a><\/b><\/span><\/i><\/span> PROTECTING PFS INTEGRITY WITH FEDEGARI<\/h5>\n

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Precision Under Pressure: Protecting Pre-Filled Syringe Integrity with the Fedegari FOA Steam-Air Sterilizer<\/strong><\/h1>\n

[\/vc_column_text][vc_empty_space height=”40px”][vc_column_text css_animation=”none”]What looks simple is often the most complex. Pre-filled syringes (PFS) have transformed modern drug delivery with their convenience and precision – but sterilizing them is anything but simple. Behind each sealed syringe lies a delicate balance between temperature, pressure, and product integrity. Fedegari\u2019s FOA Steam-Air Sterilizer<\/a> provides a fully controlled, validated solution that ensures sterility while preserving every critical aspect of quality.[\/vc_column_text][vc_empty_space height=”20px”][vc_empty_space height=”20px”][\/vc_column_inner][vc_column_inner width=”1\/12″ offset=”vc_hidden-sm vc_hidden-xs”][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row full_width=”stretch_row” equal_height=”yes” css_animation=”fadeInUp” css=”.vc_custom_1733409276965{margin-top: 60px !important;}” el_id=”content”][vc_column width=”1\/2″][vc_column_text css_animation=”none”]<\/p>\n

The Challenge<\/strong><\/h2>\n

Sterilizing pre-filled syringes is far more complex than sterilizing open containers. These hermetically sealed systems contain an injectable solution and a movable plunger. During heat sterilization, the internal solution expands, releasing dissolved gases and increasing internal pressure.<\/p>\n

If chamber pressure does not precisely match this internal buildup, the result can be plunger movement, leakage, or even expulsion which compromises both product integrity and sterility.<\/p>\n

Traditional steam sterilizers cannot independently control temperature and pressure, making it difficult to maintain the delicate equilibrium required for pre-filled syringe sterilization. For U.S. manufacturers operating under GMP and FDA regulations, achieving sterility assurance levels (SAL) of 10\u207b\u2076 while maintaining syringe integrity requires technology designed specifically for counterpressure control.[\/vc_column_text][vc_empty_space height=”40px”][vc_column_text css_animation=”none”]<\/p>\n

The Fedegari Solution<\/strong><\/h2>\n

Fedegari\u2019s FOA Steam-Air Sterilizer<\/a> was engineered precisely for these challenges. Designed for counterpressure sterilization of sealed containers such as pre-filled syringes, vials, and parenterals, the FOA uses a controlled mixture of steam and air to allow independent regulation of temperature and total chamber pressure throughout every phase of the cycle.<\/p>\n

This fine-tuned control compensates for the internal conditions of each syringe, preventing plunger displacement, leakage, or deformation. Magnetically driven fans ensure uniform heat distribution and a consistent sterilization environment safeguarding both drug efficacy and container integrity.<\/p>\n

Every FOA system is powered by Fedegari\u2019s Thema4 process controller<\/a>, which enables labs to develop or modify sterilization cycles with precision.[\/vc_column_text][vc_empty_space height=”40px”][\/vc_column][vc_column width=”1\/2″][vc_column_text]Thema4 is pre-validated to GAMP5 and 21 CFR Part 11 standards, simplifying qualification and integration with SCADA or other higher-level systems.<\/p>\n

Built from 316L stainless steel with FDA-compliant gaskets and magnetic drives, the FOA delivers reliability and meets U.S. standards including UL 61010-1, NFPA-79, ASME BPE, and GMP.[\/vc_column_text][vc_empty_space height=”40px”][vc_column_text css_animation=”none”]<\/p>\n

Results<\/strong><\/h2>\n

By maintaining total control of temperature and counterpressure, the FOA ensures:<\/p>\n