Can I contact factories directly on CNFX?

CNFX is an open directory. Each factory profile provides direct contact information.

Sealing Gasket / Liner Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

A precision-engineered sealing component installed between mating surfaces of control gates to create a leak-proof barrier against liquids, gases, or particulates. It compensates for surface irregularities, thermal expansion, and mechanical vibrations while maintaining system pressure and preventing contamination.

Working Principle

Works by compressive deformation to fill microscopic gaps between mating surfaces, creating a mechanical seal through elastic recovery and surface adhesion. The sealing action relies on material compression, surface finish compatibility, and proper bolt loading to maintain continuous contact pressure across the sealing interface.

Materials

Typically made from elastomers (EPDM, Nitrile, Viton), PTFE, graphite, metal (stainless steel, copper), or composite materials. Material selection depends on temperature range (-40°C to 300°C), pressure (up to 300 psi), chemical compatibility, and media type.

Technical Parameters

Hardness 50-90 Shore A
Thickness 1.5-6.0 mm
Compression Set <20%
Pressure Rating 0-300 psi
Tensile Strength >10 MPa
Temperature Range -40°C to 250°C

Standards

ISO 9001, ISO 14001, DIN 3750, ASME B16.21

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Sealing Gasket / Liner.

Parent Products

This component is used in the following industrial products

Control Gate

A mechanical or electromechanical device within a cold feed system that regulates the flow of bulk material or product.

View Product Details

Engineering Analysis

Risks & Mitigation

Leakage leading to process contamination
Pressure loss affecting system efficiency
Material degradation from chemical exposure
Improper installation causing seal failure

FMEA Triads

Trigger: Insufficient bolt torque during installation
Failure: Incomplete surface contact leading to leakage
Mitigation: Implement torque-controlled installation procedures and verification checks

Trigger: Chemical incompatibility with process media
Failure: Material swelling or degradation compromising seal integrity
Mitigation: Conduct material compatibility testing before selection and installation

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.1 mm thickness, ±0.5 mm outer diameter

Test Method

Helium leak testing per ASTM E493, compression testing per ASTM F36, chemical resistance per ASTM D471

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.

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Frequently Asked Questions

How often should control gate sealing gaskets be replaced?

Replacement intervals depend on operating conditions: typically 12-24 months for continuous service, or based on visual inspection for compression set, cracking, or chemical degradation.

What are common failure modes for sealing gaskets?

Common failures include compression set, chemical swelling, thermal degradation, bolt relaxation, and improper surface finish leading to leakage paths.

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.

Sealing Gasket / Liner