INDUSTRY COMPONENT

Gaskets

Gaskets are mechanical seals that fill the space between two mating surfaces to prevent leakage under compression.

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Component Specifications

Definition
Gaskets are critical sealing components used in flange and holder assemblies to create a static seal between two stationary surfaces. They compensate for surface irregularities, prevent fluid or gas leakage, and maintain pressure integrity in mechanical systems. In industrial applications, they ensure operational safety and efficiency by sealing joints against environmental contaminants and internal media.
Working Principle
Gaskets work by deforming under compressive load to fill microscopic imperfections on mating surfaces, creating a tight seal. The applied bolt load compresses the gasket material, causing it to flow into surface irregularities and form a barrier against fluid or gas passage. Proper gasket selection ensures adequate sealing stress while preventing over-compression that could damage the assembly.
Materials
Common materials include: Non-asbestos fiber (NAF), graphite, PTFE (Teflon), rubber (EPDM, Nitrile, Silicone), metal (stainless steel, copper), and composite materials. Material selection depends on temperature range (-50°C to 1000°C), pressure (vacuum to 300 bar), chemical compatibility, and media type.
Technical Parameters
  • Thickness 0.5-6.0 mm
  • Compression Set <20%
  • Pressure Rating Up to 300 bar
  • Tensile Strength 5-50 MPa
  • Temperature Range -50°C to 450°C
Standards
ISO 9001, DIN 2690, ASME B16.21, EN 1514

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Gaskets.

gasket flange gasket sealing component industrial gasket mechanical seal compression gasket leak prevention gasket material Gaskets Gaskets in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Holder/Flange Assembly

A mechanical assembly that secures and seals a rupture disc within a pressure system.

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Engineering Analysis

Risks & Mitigation
  • Leakage due to improper installation
  • Material degradation from chemical exposure
  • Over-compression leading to gasket blowout
  • Thermal cycling causing fatigue failure
FMEA Triads
Trigger: Insufficient bolt torque
Failure: Leakage at flange joint
Mitigation: Follow torque specifications and sequence; use calibrated tools; re-torque after initial heat cycles
Trigger: Chemical incompatibility
Failure: Gasket material degradation and seal loss
Mitigation: Select chemically resistant materials; verify compatibility charts; conduct material testing

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm thickness, ±0.5 mm inner/outer diameter
Test Method
ASTM F36 for compressibility, ASTM F586 for leak rate, ISO 15592 for sealing performance under pressure

Buyer Feedback

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Frequently Asked Questions

What factors determine gasket selection?

Selection depends on operating temperature, pressure, media compatibility, flange surface finish, bolt load, and required sealing performance. Material must resist chemical attack and maintain elasticity under compression.

How do you prevent gasket failure?

Ensure proper surface preparation, correct bolt torque sequence, adequate gasket compression, and material compatibility with operating conditions. Regular inspection for signs of creep, blowout, or chemical degradation is essential.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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