Gaskets/O-Rings: Temperature Range -40°C to 200°C

Q: What is the difference between gaskets and O-rings in filter cartridges?

Gaskets are typically flat seals used for static applications between flat surfaces, while O-rings are circular cross-section seals designed for dynamic or static applications in grooves, providing sealing through radial compression.

Q: How do I select the right material for filter cartridge seals?

Material selection depends on the fluid being filtered, operating temperature, pressure, and chemical compatibility. Common choices include NBR for general use, EPDM for hot water and steam, and Viton for aggressive chemicals.

Component Specifications

Definition

Gaskets and O-rings are critical sealing elements in filter cartridge assemblies, designed to create a tight seal between mating surfaces to prevent the escape of fluids or gases. In filtration systems, they ensure that all fluid passes through the filter media, maintaining system integrity and efficiency by preventing bypass leakage.

Working Principle

Gaskets and O-rings function by deforming under compression to fill microscopic irregularities between mating surfaces, creating a barrier that prevents fluid or gas leakage. In filter cartridges, they seal the interface between the cartridge housing and end caps, ensuring that all fluid is forced through the filter media for effective filtration.

Materials

Common materials include Nitrile Rubber (NBR), Ethylene Propylene Diene Monomer (EPDM), Fluorocarbon (Viton), Silicone, and Polytetrafluoroethylene (PTFE). Material selection depends on fluid compatibility, temperature range, and pressure requirements.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Hardness	70-90 Shore A
Compression Set	<20%
Pressure Rating	Up to 1500 psi
Temperature Range	-40°C to 200°C
Chemical Resistance	Varies by material

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 3771, AS 568A

Parent Products

This component is used in the following industrial products

Filter Cartridge/Media

A replaceable filtration element that physically removes contaminants from water in circulation systems.

View Product Details

Engineering Analysis

Risks & Mitigation

Chemical degradation
Compression set failure
Installation damage
Temperature extremes
Improper sizing

FMEA Triads

Trigger: Chemical incompatibility with filtered fluid
Failure: Seal swelling, cracking, or degradation leading to leakage
Mitigation: Select chemically compatible materials based on fluid analysis and conduct compatibility testing

Trigger: Excessive compression or improper installation
Failure: Permanent deformation (compression set) reducing sealing effectiveness
Mitigation: Follow manufacturer installation guidelines, use proper tools, and verify compression limits

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.10 mm for O-ring cross-section diameter, ±0.20 mm for inner diameter

Test Method

ASTM D1414 for O-ring testing, ISO 188 for compression set evaluation, and leak testing per system requirements

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 Gaskets/O-Rings

Manufacturer profiles associated with Gaskets/O-Rings.

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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

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Frequently Asked Questions

What is the difference between gaskets and O-rings in filter cartridges?