INDUSTRY COMPONENT

Seal/Gasket

A seal/gasket for drain valves that prevents fluid leakage and maintains system pressure in industrial applications.

Component Specifications

Definition
A precision-engineered sealing component designed specifically for drain valves in industrial machinery, creating a tight barrier between mating surfaces to prevent leakage of liquids, gases, or contaminants. It ensures proper valve operation by maintaining pressure integrity and preventing environmental contamination or product loss.
Working Principle
Works by compression between two mating surfaces (valve body and drain port), creating a physical barrier through elastic deformation. The seal fills microscopic imperfections in the surfaces, preventing fluid passage through the interface while allowing controlled drainage when the valve is opened.
Materials
Nitrile rubber (NBR), Fluorocarbon (Viton/FKM), Ethylene Propylene Diene Monomer (EPDM), Polytetrafluoroethylene (PTFE), Silicone, or Metal (stainless steel, copper) depending on application requirements for temperature, pressure, and chemical resistance.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Hardness70-90 Shore A
Inner DiameterMatches valve drain port
Outer DiameterBased on flange dimensions
Compression Set<25%
Pressure RatingUp to 150 psi
Temperature Range-40°C to 200°C
Thickness Tolerance±0.1mm

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

Standards
ISO 3601, DIN 3770, ASTM F104, SAE J515

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Seal degradation from chemical exposure
  • Compression set leading to leakage
  • Improper installation causing seal damage
  • Thermal expansion mismatch
  • Incompatible material selection
FMEA Triads
Trigger: Chemical degradation of seal material
Failure: Leakage at valve interface
Mitigation: Use chemically compatible materials; implement regular inspection schedules
Trigger: Excessive compression during installation
Failure: Seal extrusion or permanent deformation
Mitigation: Follow torque specifications; use proper installation tools; train personnel
Trigger: Thermal cycling beyond material limits
Failure: Cracking or loss of sealing properties
Mitigation: Select materials with appropriate temperature ratings; consider thermal expansion coefficients

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.1mm thickness, ±0.2mm diameter
Test Method
ASTM D1414 compression set test, ASTM D395 compression deflection, leak testing per ISO 5208

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.

Manufacturers of Seal/Gasket

Manufacturer profiles associated with Seal/Gasket.

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Frequently Asked Questions

How often should drain valve seals be replaced?

Replacement intervals depend on operating conditions, but typically range from 6-24 months. Factors include temperature extremes, chemical exposure, pressure cycles, and mechanical wear. Regular inspection for compression set, cracking, or deformation is recommended.

What materials are best for chemical resistance in drain valve seals?

PTFE offers excellent chemical resistance across a wide range. Viton/FKM handles fuels and oils well. EPDM is suitable for water and steam applications. Material selection should match the specific fluids being handled.

Data Basis

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

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.

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