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INDUSTRY COMPONENT

Seat / Seal Ring

A critical sealing component in aseptic filling valves that prevents contamination and ensures sterile product flow.

Component Specifications

Definition

The Seat/Seal Ring is a precision-engineered sealing element within aseptic filling valve assemblies, designed to create a hermetic seal between moving parts during filling operations. It prevents microbial ingress, maintains sterility of the product stream, and controls fluid flow with minimal particulate generation in hygienic processing environments.

Working Principle

Operates through elastic deformation under controlled compression to form a leak-tight barrier between valve seat surfaces, preventing fluid escape and external contamination while allowing precise valve actuation.

Materials

FDA-compliant elastomers (EPDM, Silicone, FKM/Viton) or PTFE-based compounds; hardness 70-90 Shore A; suitable for CIP/SIP processes up to 140°C.

Technical Parameters

ID 8-35 mm
OD 15-50 mm
Thickness 2-6 mm
Surface Finish Ra ≤ 0.8 μm
Pressure Rating Up to 10 bar
Temperature Range -20°C to 140°C

Standards

ISO 2852, DIN 11864, 3-A Sanitary Standards

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Seat / Seal Ring.

Parent Products

This component is used in the following industrial products

Aseptic Filling Valve Assembly

A critical assembly that precisely controls the flow of hot, sterile beverage into bottles while maintaining aseptic conditions during the filling process.

View Product Details

Engineering Analysis

Risks & Mitigation

Microbial contamination due to seal failure
Product leakage causing production downtime
Particulate generation from seal degradation
Incorrect installation leading to seal extrusion

FMEA Triads

Trigger: Material fatigue from repeated compression cycles
Failure: Loss of sealing force leading to leakage
Mitigation: Implement preventive replacement schedules and use materials with low compression set

Trigger: Chemical attack from cleaning agents
Failure: Seal swelling or cracking compromising sterility
Mitigation: Select chemically compatible materials and validate cleaning protocols

Industrial Ecosystem

Compatible With

Krones, KHS, Sidel, Serac, Tetra Pak aseptic filling machines

Interchangeable Parts

Parker Hannifin, Trelleborg, Saint-Gobain, Freudenberg Sealing Technologies

Compliance & Inspection

Tolerance

±0.1 mm on critical dimensions, surface defects ≤ 0.05 mm

Test Method

Helium leak testing per ASTM F328, compression set testing per ASTM D395, extractables testing per USP <661>

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Related Components

Temperature Sensors

Temperature sensors are precision components that measure thermal conditions in beverage pasteurization systems to ensure product safety and quality.

Oxygen Sensor

Precision electrochemical sensor for real-time oxygen monitoring in beverage deoxygenation systems

Pressure/Vacuum Transducer

A precision transducer that measures pressure or vacuum levels in automated beverage container testing systems to ensure seal integrity and safety compliance.

Rejection Actuator

A pneumatic or electromechanical actuator that removes defective beverage containers from production lines in automated testing systems.

Frequently Asked Questions

How often should Seat/Seal Rings be replaced in aseptic filling systems?

Replacement intervals depend on operational cycles and CIP/SIP frequency, typically every 3-6 months or 10,000-50,000 cycles. Regular inspection for compression set, cracks, or surface degradation is recommended.

What material is best for Seat/Seal Rings in acidic beverage applications?

FKM/Viton offers superior chemical resistance for acidic products, while EPDM is suitable for alkaline environments. Material selection must consider pH, temperature, and cleaning agents.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.