Editorial Technical Reference

Sterile Product Tank Interface

This page explains how Sterile Product Tank Interface is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Interface component connecting the sterile product tank to the aseptic filling machine's filling system

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Sterile Product Tank Interface in a manufacturing environment
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Product Specifications

Technical details and manufacturing context for Sterile Product Tank Interface

Definition
The Sterile Product Tank Interface is a critical component in aseptic filling machines, providing the connection point between the sterile product storage tank and the machine's filling system. It ensures sterile transfer of pharmaceutical, biotech, or food products while maintaining aseptic conditions throughout the filling process. The interface creates a sealed connection, typically using sterile connectors or aseptic transfer systems, and maintains sterility through positive pressure, sterile barriers, or steam-in-place (SIP) connections, preventing contamination during product transfer. This component is designed for use in industries requiring high levels of hygiene and contamination control. It is available in connection sizes from DN25 to DN100 (ISO 1127) to match the filling machine inlet flange. Operating pressure ranges from 1.0 to 1.6 MPa, with a note that Operating temperature spans from 10°C to 150°C, with SIP up to 150°C. Product contact surfaces have a surface roughness of ≤0.4 μm Ra (ISO 4287). The leakage rate is ≤1×10⁻⁶ mbar·L/s (ISO 15848-1, helium leak test). Materials on file include Stainless Steel 316L (electropolished, ASTM A270), pharmaceutical-grade silicone, and PTFE. Weight ranges from 2.5 to 15 kg depending on size and configuration. For electrical components, ingress protection is IP65 (IEC 60529), and electrical supply for sensors/actuators is 24 V DC ±10%. When selecting this interface, verify model-specific values and standards with the legal manufacturer or supplier. Confirm that the connection size matches your filling machine, operating pressure and temperature are within your process limits, and that materials are compatible with your product. Regular maintenance should include inspection of seals and sterile barriers, and monitoring for leaks. Failure boundaries include loss of sterility, leakage, or material degradation. Always consult the manufacturer for detailed specifications and validation data.
Working Principle
The interface creates a sealed connection between the product tank and filling system, typically using sterile connectors or aseptic transfer systems. It maintains sterility through positive pressure, sterile barriers, or steam-in-place (SIP) connections, preventing contamination during product transfer. The design ensures that the product path remains sterile from the tank to the filling nozzles, with all wetted parts made of compatible materials. The interface may include sensors and actuators for monitoring and control, powered by a 24 V DC supply. Proper installation and maintenance are essential to preserve the sterile barrier and prevent leaks.
Common Materials
Stainless Steel 316L, Pharmaceutical-grade silicone, PTFE (Polytetrafluoroethylene)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Connection SizeDN25–DN100 mmMatches filling machine inlet flangeISO 1127
Operating Pressure1.0–1.6 MPa
Operating Temperature10–150 °CSIP up to 150°C
Surface Roughness≤0.4 μm RaProduct contact surfacesISO 4287
Leakage Rate≤1×10⁻⁶ mbar·L/sHelium leak testISO 15848-1
Material Grade316LElectropolishedASTM A270
Weight2.5–15 kgDepends on size and configuration
Ingress ProtectionIP65For electrical componentsIEC 60529
Electrical Supply24 ±10% V DCFor sensors/actuators

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
  • Flange Assembly
    Provides the mechanical connection between tank and machine
    Material: Stainless Steel 316L
  • Sterile Seal Part
    Maintains aseptic barrier during connection
    Material: Pharmaceutical-grade silicone
  • Connection Clamp Part
    Secures the interface connection
    Material: Stainless Steel 316L
  • Steam Port Part
    Allows for steam sterilization of the interface
    Material: Stainless Steel 316L
  • Sensors and Actuators Optional
    Monitor and operate the connection on instrumented interfaces.

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 3 bar (max operating pressure)
flow rate: Up to 20,000 L/h (dependent on connection size)
temperature: 2°C to 50°C (sterile process range)
slurry concentration: 0-40% solids by weight (viscosity dependent)
Media Compatibility
✓ Purified water/WFI ✓ Protein-based biologics ✓ Vaccine formulations
Unsuitable: Abrasive slurries with >40% solids or corrosive chemical media
Sizing Data Required
  • Required flow rate (L/h)
  • Tank outlet connection size (e.g., 2" Tri-Clamp)
  • Maximum allowable pressure drop across interface

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Crevice corrosion
Cause: Stagnant fluid accumulation at gasket interfaces or weld seams, exacerbated by chloride-containing cleaning agents or process fluids in sterile environments, leading to localized pitting and material degradation.
Gasket/seal failure
Cause: Thermal cycling and chemical attack from repeated sterilization cycles (e.g., steam-in-place or chemical sanitization) causing elastomer hardening, compression set, or swelling, compromising sterility integrity.
Maintenance Indicators
  • Visible product residue or moisture accumulation at tank flange interfaces or sensor ports after sterilization cycles
  • Audible hissing or pressure drop alarms during hold periods of sterile operation indicating seal leakage
Engineering Tips
  • Implement routine eddy current testing or ultrasonic thickness mapping at high-stress weld zones and crevice-prone areas to detect early-stage corrosion before breaching sterile barriers
  • Establish a proactive gasket replacement schedule based on sterilization cycle counts rather than visual inspection alone, using material compatibility charts specific to your sterilization media (steam, VHP, etc.)

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 13408-1: Aseptic processing of health care products ANSI/ASME BPE-2019: Bioprocessing Equipment DIN 11864-1: Fittings in hygienic and aseptic areas

Quoted from the published standard.

Manufacturing Precision
  • Surface Roughness: Ra ≤ 0.8 μm
  • Weld Seam Alignment: ±0.5 mm
Quality Inspection
  • Sterility Assurance Level (SAL) Testing
  • Helium Leak Test at 1×10⁻⁹ mbar·L/s
Technical documentation
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Manufacturing capability
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Inspection readiness
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Supplier transparency
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Manufacturers of Sterile Product Tank Interface

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Frequently Asked Questions

What is the primary function of the Sterile Product Tank Interface?

It provides a sealed connection between the sterile product storage tank and the aseptic filling machine's filling system, ensuring sterile transfer of products while maintaining aseptic conditions.

What materials are used for this interface?

Materials on file include Stainless Steel 316L (electropolished), pharmaceutical-grade silicone, and PTFE. Confirm material compatibility with your product and process.

What are the key technical parameters to verify?

Key parameters include connection size (DN25–DN100), operating pressure (1.0–1.6 MPa), operating temperature (10–150°C), surface roughness (≤0.4 μm Ra), leakage rate (≤1×10⁻⁶ mbar·L/s), and ingress protection (IP65). Always verify with the manufacturer.

How is sterility maintained during operation?

Sterility is maintained through positive pressure, sterile barriers, or steam-in-place (SIP) connections. The interface is designed to prevent contamination during product transfer.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Aseptic Filling Machine
View system integration details

Industrial Ecosystem & Supply Chain Structure

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.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 12 October 2026

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