Aseptic Barrier (Isolator/RABS)

Product Specifications

Technical details and manufacturing context for Aseptic Barrier (Isolator/RABS)

Definition

An aseptic barrier, encompassing Isolator (closed system) and Restricted Access Barrier System (RABS - open system), is a critical component within a Pharmaceutical Aseptic Filling and Sealing System. It creates a controlled, Grade A/ISO 5 environment to protect the product, container, and closure from contamination during the critical aseptic processing stages, such as filling, stoppering, and capping. It serves as the primary interface between the operator and the sterile core, minimizing human intervention and particulate/microbial ingress. The barrier is typically constructed from stainless steel (304/316L) with viewing panels of polycarbonate or tempered glass, and uses silicone or EPDM gaskets for sealing. It operates under positive pressure relative to the surrounding area to prevent inward contamination. For isolators, the interior is fully sealed and decontaminated, often using vaporized hydrogen peroxide (VHP). RABS, on the other hand, provide a physical barrier with glove ports and rapid transfer ports (RTPs) for material transfer, relying on the surrounding cleanroom's background environment and aseptic techniques. Both systems use unidirectional HEPA/ULPA-filtered laminar airflow to maintain cleanliness. The barrier is a part-level component, not a complete system, and must be integrated with other elements such as HVAC, monitoring, and control systems. When selecting an aseptic barrier, verify model-specific parameters including operating pressure (1.0–1.6 MPa), temperature range (-40–85°C), leak rate (≤0.01% for helium test), seat hardness (85–95 Shore A), body material (316L), seat material (PTFE), end connections (DN15–DN100), face-to-face length (130–230 mm), weight (2.5–15 kg), actuation torque (10–120 N·m), flow coefficient (15–60 m³/h), pressure class (PN16–PN40), and leakage class (VI). These values are reference ranges and must be confirmed with the legal manufacturer or supplier for the specific model and application. Standards such as ISO 15848-1, ASTM D2240, ASTM A240, ASTM D4894, ISO 1127, ISO 5752, ISO 5211, IEC 60534-2-1, EN 12516-1, and IEC 60534-4 are procurement references, not proof of certification. Always verify compliance with the manufacturer.

Working Principle

The barrier maintains sterility through a combination of physical separation, unidirectional HEPA/ULPA-filtered laminar airflow, and controlled access. Isolators are fully sealed and decontaminated (e.g., via VHP). RABS provide a physical barrier with glove ports and rapid transfer ports (RTPs) for material transfer, relying on the surrounding cleanroom's background environment and aseptic techniques. Both systems are pressurized relative to the surrounding area to prevent inward contamination.

Common Materials

Stainless Steel (304/316L), Polycarbonate/Tempered Glass, Silicone/EPDM Gaskets

Technical Parameters

Parameter	Typical range	Notes & selection driver
Temperature Range	-40–85 °C	Outside this range, sealing performance degrades
Leak Rate	≤0.01 %	Maximum allowable leakage for helium testISO 15848-1
Seat Hardness	85–95 Shore A	Softer seat improves sealing but reduces wear lifeASTM D2240
Body Material	316L	Corrosion-resistant for pharmaceutical useASTM A240
Seat Material	PTFE	Chemical resistance and low frictionASTM D4894
End Connections	DN15–DN100 mm	Sanitary tri-clamp or butt weldISO 1127
Face-to-Face Length	130–230 mm	Varies with valve size and pressure classISO 5752
Weight	2.5–15 kg	Depends on size and material
Actuation Torque	10–120 N·m	Required for manual or automated operationISO 5211
Flow Coefficient (Cv)	15–60 m³/h	At full open, for water at 1 bar pressure dropIEC 60534-2-1
Pressure Class	PN16–PN40 bar	Higher class for higher pressure applicationsEN 12516-1
Leakage Class	VI	Tight shut-off for bubble-tight sealingIEC 60534-4

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Barrier Enclosure
Forms the physical sealed structure (isolator) or framed barrier (RABS) defining the sterile workspace.

Material: Stainless Steel, Polycarbonate
HEPA/ULPA Filter Module
Provides ISO 5 classified, particulate-free laminar airflow over the critical zone.

Material: Stainless Steel Housing, Filter Media
Glove Port Assembly
Allows aseptic manual intervention within the barrier using attached gloves, maintaining seal integrity.

Material: Stainless Steel, Silicone/Butyl Gloves
Rapid Transfer Port (RTP)
Provides a sealed, sterilizable interface for transferring materials (vials, stoppers) into and out of the barrier without breaking sterility.

Material: Stainless Steel, Silicone Gaskets
Decontamination System (Isolator)
Typically a Vaporized Hydrogen Peroxide (VHP) generator and distribution system for sterilizing the isolator's interior.

Material: Stainless Steel, Plastics
Pressurization Control
Holds the barrier at positive pressure relative to the room, which is what keeps contamination from coming in.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Aseptic Barrier (Isolator/RABS).

Manufacturers of Aseptic Barrier (Isolator/RABS)

Manufacturer profiles associated with Aseptic Barrier (Isolator/RABS).

Sourcing Aseptic Barrier (Isolator/RABS) from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the difference between an Isolator and a RABS?

An Isolator is a fully sealed and decontaminated closed system, typically using VHP for sterilization. A RABS is an open system with a physical barrier, glove ports, and rapid transfer ports, relying on the surrounding cleanroom environment and aseptic techniques. Both maintain a Grade A/ISO 5 environment.

What materials are commonly used in aseptic barriers?

Common materials include stainless steel (304/316L) for the structure, polycarbonate or tempered glass for viewing panels, and silicone or EPDM gaskets for sealing. These materials are chosen for their durability, cleanability, and resistance to decontamination agents.

How do I verify the performance of an aseptic barrier?

Verify model-specific parameters such as operating pressure, temperature range, leak rate, and pressure class against the manufacturer's specifications. Standards like, ISO 15848-1, and EN 12516-1 serve as references. Always confirm with the legal manufacturer or supplier for the actual model.

What maintenance signals indicate a need for service?

Signs include increased leak rates, pressure differentials outside specified ranges, visible damage to gaskets or seals, and failure to maintain required air cleanliness. Regular integrity testing and preventive maintenance are essential to ensure continued performance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for Aseptic Barrier (Isolator/RABS)

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	±50 Pa differential pressure control, up to 500 Pa maximum pressure differential
other spec:	ISO Class 5 (Class 100) air cleanliness, 0.45 m/s ±20% unidirectional airflow velocity, 99.99% HEPA filtration efficiency at 0.3 μm
temperature:	15-25°C (typical operating range), up to 40°C for sterilization cycles

Product Specifications

Industry Taxonomies & Aliases

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards