Overview
The air shower pass box is a hybrid cleanroom equipment that integrates personnel air shower and material pass-through functions. It serves as a contamination barrier between different cleanliness zones in industries like semiconductor manufacturing, biotechnology, and pharmaceutical production. The system typically consists of a stainless-steel chamber with opposing air nozzles, HEPA filters, and interlocked doors to prevent cross-contamination. Modern versions often include touchless controls, particle counters, and data logging capabilities for compliance documentation.
Structure and Working Principle
Structurally, the equipment features a double-door interlock mechanism that prevents both doors from opening simultaneously. The main chamber contains multiple high-efficiency air nozzles (usually 20-30) arranged in a 360° pattern for uniform decontamination. Operation follows a strict sequence: 1) Outer door opens for entry, 2) After closure, HEPA-filtered air jets (20-25 m/s velocity) remove particles via shear forces, 3) Purge cycle completes (typically 10-30 seconds), 4) Inner door unlocks for exit. The pass-through compartment maintains negative pressure relative to surrounding areas during transfers.
Key Features
Advanced models incorporate ULPA filters (99.9995% efficiency at 0.12μm) for ISO Class 3-5 environments. Other notable features include automatic induction systems, emergency stop buttons, and stainless steel ball transfer units for heavy material handling. Energy-saving designs now utilize variable frequency drives (VFDs) to adjust blower speeds based on usage patterns. Some manufacturers offer antimicrobial coatings and modular designs that allow field upgrades. The control panels typically display real-time airflow velocity and filter saturation alerts.
Application Areas
Primary applications include pharmaceutical sterile filling lines (especially for aseptic processing), microelectronics wafer fabrication, and aerospace component assembly. In food production, they prevent allergen cross-contamination between processing zones. Hospitals install specialized medical-grade units in operating theater prep areas and isolation wards. Recent adaptations serve COVID-19 research labs and vaccine production facilities, where they help maintain biosafety level (BSL) requirements during material transfers.
Maintenance and Precautions
Routine maintenance requires quarterly HEPA filter integrity testing (per IEST-RP-CC034.3) and annual velocity verification. Nozzles should be inspected monthly for alignment issues that could create dead zones. Critical precautions include never bypassing door interlocks and avoiding overloading the pass-through compartment (typically rated for 50-200kg). Electrical components need periodic inspection in humid environments. Proper training ensures operators don't shortcut the decontamination cycle, which compromises cleanroom integrity.
B2B Procurement Guide
Industrial buyers should specify: 1) Required cleanliness class (ISO 14644-1), 2) Chamber dimensions based on largest expected payload, 3) Material compatibility (chemical resistance if needed), 4) Certification requirements (CE, GMP, etc.). Lead times range from 4-12 weeks for custom configurations. Consider total cost of ownership - premium stainless steel models last 15+ years versus 7-10 years for coated steel. Evaluate suppliers' validation documentation packages (IQ/OQ/PQ) and available spare parts inventory before purchase.
Related Manufacturers
- 主营：[]
- 主营：[]
- 主营：[]
- 主营：[]
- 主营：搬运气垫、高压软管、螺旋千斤顶、卷扬机、高压清洗机、栏木机、洗靴机、翻车机、推车机、张拉机具、雾化消毒门、速凝剂、密闭气囊、射流器、叉车吊臂、矿用门、变压器、破拆工具、手拉葫芦、链轮组件、搬运坦克、酸碱喷射器、蒸汽喷射器、气固喷射器、临时支护
- 主营：快速卷帘门、传递窗、洗手池、风淋室、单人双吹风淋门、风淋室风机、单人双吹风淋室、自动感应风淋率、不锈钢风淋室、智能风淋室、风淋室控制器、钢制门、器械柜、快速门货淋室、净化货淋室、货淋室规格、自动门货淋室、电动货淋室、快速卷帘门货淋室、气闸门锁
- 主营：干燥箱、振荡器、水分测试仪、风淋机、高温电阻炉、数显恒温烘箱、水热合成反应釜
- 主营：货淋室、超净工作台、传递窗、风淋室、风淋门、FFU、高效送风口、卷帘门、洁净棚、空气净化器、ffu、自动门、快速门、洗手池、无尘衣柜、不锈钢鞋柜、层流天花、新风柜、净化门、空气过滤器、无尘车间
- 主营：货淋室、货淋通道、传递窗、风淋室、风淋通道、卷帘门风淋室、平移门风淋室、臭氧机、单人风淋室、风淋室价格一般是多少、风淋室厂家供应商、风淋门、双人双吹风淋室、不锈钢风淋室、风淋房、风淋机、风淋间、风淋系统、风淋、高效送风口、ffu、平板灯、高效过滤器、百叶窗、货淋
- 主营：传递窗、洗手台、直流ffu、风淋室、风淋门、洗手烘干机、ffu定做、货淋室、钢质门、洁净棚、高效过滤器、高效送风口、盲板
- 主营：洁净门、洁净窗、传递窗、风淋室、pvc卷帘门
- 主营：清洗风干、蔬菜常温、风干线定制、洗筐机、玉米风选机、蔬菜清洗机、风干机翻转、食品烘干机、风干机果蔬、辣椒风选机、海带清洗机、真空包装机、毛豆风选机、包装袋风干机、不锈钢翻转、包装袋漂烫、肉制品冷却、食品包装袋、食品风干线、翻转风干线、袋装食品酱菜、气流风干设备、果蔬风干设备、果蔬翻转风干
- 主营：FFU过滤单元、货淋室、高效过滤器、风淋室、洗手烘干机、洁净棚、钢制门、传递窗、空气净化器、高效送风口、盲板、快卷门
- 主营：实验台、通风柜、实验室家具、风淋室、实验室台柜、实验室气路、实验室通风、实验室设计、实验室装修、实验室设备、通风橱、钢木实验台、全钢实验台、PP实验台、全钢通风柜、PP通风柜、取材台、天平台、高温台、仪器台、试剂柜、药品柜、气瓶柜、酸碱柜、安全柜、展示柜
- 主营：手工净化板、岩棉净化板、玻镁净化板、机制净化板、硅岩净化板、不锈钢净化板
- 主营：不锈钢层流罩、初中效送排风箱、污物池洗涤池、不锈钢风淋室、不锈钢水池、自净传递窗、不锈钢洁净地漏、手术室送风天花、不锈钢更衣柜、电子互锁传递窗、双层电子互锁传递窗、净化工作台、负压称量室
- 主营：货淋室、洗眼房、传递箱、风淋室、洗手机、PVC快速卷帘门、FFU、初中高效过滤器、八折边盲板、无尘棚、无尘室垂直操作台
- 主营：负压称量罩、无尘车间、货淋室、单机除尘器、风淋室、脉冲除尘器
- 主营：托盘清洗机、洗筐机、烧椒机、液化气烧毛机、毛刷清洗机、绞肉机、真空滚揉机、斩拌机、拌馅机、盐水注射机、水平切片机、鲜肉切条机、香肠加工设备、风干流水线、食品杀菌设备