Del 24 al 26 de junio, Bacclean participó en la esperada CPHI China 2025, que se celebró a lo grande y concluyó con éxito en el Shanghai New International Expo Center.
La 26ª Conferencia Nacional de Construcción de Hospitales (CHCC2025) se celebró a lo grande en el Centro Internacional de Exposiciones de Wuhan del 24 al 26 de mayo de 2025. Durante esta exposición, Bacclean, con su fuerza técnica profesional, servicios de productos de alta calidad y soluciones innovadoras, demostró plenamente su competitividad central en el campo de la purificación hospitalaria, atrayendo a muchos colegas de la industria para intercambiar juntos tecnologías y soluciones en el campo de la purificación médica.
La 16ª ASIA PHARMA EXPO concluyó con éxito en la Asia Pharma Expo de Bangladesh el 13 de febrero de 2025. Guangzhou Bacclean fue muy agradable aparecer junto con sus distribuidores en ese día.
Gel-seal HEPA filters are frequently evaluated between leading domestic manufacturers and imported brands for high-grade projects such as Grade A/B biopharmaceutical cleanrooms and biosafety laboratories. For a long period, imported gel-seal HEPA filters occupied the major share of high-end cleanroom projects in China. In recent years, however, continuous technical iteration by top domestic purification equipment manufacturers has enabled qualified domestic products to replace imported options in numerous new construction, renovation and expansion projects.
Most failures of high‑temperature resistant HEPA filters fall into three major categories: hot‑state leakage, rapid abnormal rise of pressure differential, and premature aging of sealing components. Root causes can be grouped into three aspects: manufacturing defects of filter materials; defects of matching components such as equipment flanges and gaskets; improper operations during installation, temperature ramping and disinfection & maintenance. Many failures perform perfectly under ambient temperature and only emerge after temperature rise, which are easily misjudged as inherent filter quality defects. This paper sorts out frequent field faults, analyzes root causes, and provides step‑by‑step troubleshooting workflows, helping equipment, validation and maintenance personnel quickly identify and resolve issues.
EU GMP Annex 1 sets stringent dynamic requirements for unidirectional airflow in Class A zones for aseptic exposed operations. A Class A laminar flow hood shall not merely satisfy static no‑load performance criteria; it shall maintain unidirectional flow free of vortex and back‑flow under disturbances caused by human operations and material interventions. Many projects pass static tests yet fail dynamic smoke flow pattern tests, which is rooted in neglecting disturbance‑resistance capacity during unidirectional‑flow design. Centering on plenum chamber, flow‑uniformizing system, fan selection, CFD simulation and flow‑pattern qualification, this article analyzes key technologies for Class A laminar flow‑hood unidirectional airflow and provides guidelines for design, selection and validation.
Bacclean Practical Technical Guide, detailing site preparation, modular assembly, sealing treatment, FFU commissioning, air velocity uniformity test, cleanliness inspection and final acceptance of clean booths. It sorts out common on-site problems and corresponding solutions to help engineers efficiently complete project acceptance.
Bacclean’s on-site troubleshooting guide for aluminum separator HEPA filters. Common field failures include rapid pressure rise, PAO aerosol leakage alarm, excessive particle concentration in clean areas, and aluminum foil oxidation & corrosion. Many faults are not caused by damage to filter media performance, but by aluminum foil material defects, water accumulation inside the air plenum, or improper installation. Some faults can be detected via PAO scanning, while others require shutdown and visual inspection by opening the housing. This document sorts out frequent failure symptoms, root cause analysis and step-by-step troubleshooting procedures.
When selecting paper separator HEPA filters, it is insufficient to only confirm dimensions and efficiency classes. Operating temperature & humidity, disinfection methods and separator materials are the core factors determining long-term operation reliability. For paper separator HEPA filters with identical appearance, product reliability varies greatly due to different impregnation processes of separators. Combined with rich project experience, this guide sorts out the complete selection logic from working condition verification, parameter selection, material screening and industry-specific application to procurement technical requirements, serving designers, engineering and procurement personnel.
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