Laminar Flow and Containment Equipment

Positive-Pressure Aseptic Isolator

A sealed product-protection isolator that maintains filtered positive pressure around sterile operations and keeps room air outside the process chamber.

Positive Product-Protection Pressure
Unidirectional First Air
Closed Glove Manipulation
Aseptic Transfer Interfaces

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Product Introduction

The positive-pressure aseptic isolator maintains the process chamber above the surrounding room pressure so leakage direction is outward after filtration. A ceiling HEPA supply creates unidirectional air over critical operations, and glove ports provide manipulation without opening the chamber. Materials move through bio-decontamination hatches, rapid transfer ports or compatible sterile connections. The design focuses on sterile product protection and is not used as a negative-pressure hazardous-material barrier unless specifically engineered for that combined risk.

Key Features

Positive filtered pressure prevents untreated room air from entering through small leaks.

A full chamber diffuser delivers first air over open sterile product locations.

Glove access keeps operators physically separated from the aseptic zone.

Closed transfer interfaces protect supplies during ingress and finished items during egress.

Pressure-hold and glove-test connections support barrier integrity management.

Customer Product Concerns

Product protection depends on positive pressure, clean transfer and unobstructed first air remaining coordinated throughout operation.

Room air enters during material loading.Interlocked transfer chambers and rapid ports separate loading from the main chamber.

Equipment blocks first air over open sterile items.Diffuser sections and internal supports are arranged around the critical process locations.

A glove leak allows direct operator contact with the chamber.Replaceable glove rings and integrity-test ports support planned glove management.

A positive chamber is assumed to contain hazardous powders.The product-protection purpose and pressure direction are clearly distinguished from containment isolators.

Typical Applications

Sterile component assemblyAseptic preparationOpen product protectionSmall-batch sterile manufacturing

Technical Parameters

Typical configurable construction ranges for a positive-pressure aseptic isolator are listed below.

Core Material	Welded SUS316L aseptic chamber with laminated safety glass and CSM or butyl glove assemblies
Panel Thickness	50-100 mm double-skin chamber and fan-filter sections
Effective Width	1200-5000 mm usable aseptic process width
Maximum Length	Up to 8000 mm overall isolator length
Steel Facing Thickness	2.0-3.0 mm SUS316L chamber shell; 1.2-1.5 mm service skins
Core Density	Approximately 8000 kg/m³ for SUS316L chamber material
Thermal Conductivity	14-16 W/(m·K) for austenitic stainless steel
Surface Finish	Electropolished SUS316L with welded radiused corners and clear viewing panels
Joint Type	Pressure-tight welded chamber with sealed glove rings, gasketed transfer doors and clamped HEPA filter frames
Customization	Available based on the intended application and operating environment.

Available Options

Integrated vapor bio-decontaminationRapid transfer portsEnvironmental monitoring portsSingle- or multi-chamber configuration

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