Inlet/Outlet Cones: Temperature Range -40°C to 400°C

Component Specifications

Definition

Inlet/Outlet Cones are conical-shaped duct components integrated into particulate filter housings to manage airflow dynamics. The inlet cone gradually expands to distribute contaminated gas evenly across the filter media surface, preventing localized loading and channeling. The outlet cone contracts to collect purified gas with minimal pressure drop. These components are engineered with specific taper angles, inlet/outlet diameter ratios, and surface finishes to match filter cartridge configurations and operational parameters.

Working Principle

The cones utilize Bernoulli's principle and continuity equation to control fluid velocity and pressure distribution. The expanding inlet cone reduces gas velocity, promoting uniform particulate deposition across the filter surface. The contracting outlet cone accelerates cleaned gas while maintaining laminar flow to minimize turbulence-induced re-entrainment. Both cones incorporate smooth internal surfaces and optimized geometries to prevent dead zones and maintain consistent flow patterns throughout filtration cycles.

Materials

Stainless steel (304/316L), carbon steel with epoxy coating, aluminum alloys (6061-T6), or engineered thermoplastics (PP, PVDF) depending on temperature (up to 400°C), corrosion resistance, and particulate characteristics.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Taper Angle	15-30 degrees
Connection Type	Flanged (ANSI/DIN) or welded
Pressure Rating	Up to 10 bar
Surface Roughness	Ra ≤ 3.2 μm
Temperature Range	-40°C to 400°C
Inlet/Outlet Ratio	1.5:1 to 3:1

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 29461, DIN 24153, ASME B31.3

Parent Products

This component is used in the following industrial products

Particulate Filter

A filtration device that captures and removes particulate matter from exhaust gases.

View Product Details

Engineering Analysis

Risks & Mitigation

Flow maldistribution causing localized filter loading
Material incompatibility with process gases
Vibration-induced fatigue cracking at connections
Erosion from abrasive particulates

FMEA Triads

Trigger: Incorrect taper angle or diameter ratio
Failure: Uneven flow distribution leading to filter bypass or premature clogging
Mitigation: Computational fluid dynamics (CFD) analysis during design phase; installation of flow straighteners or diffuser plates

Trigger: Material corrosion or erosion
Failure: Structural weakening and particulate contamination
Mitigation: Material selection based on gas composition; regular thickness monitoring; protective linings for abrasive applications

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±1.5° on taper angles, ±2mm on diameters, surface finish within ±0.8μm

Test Method

Flow visualization testing per ISO 29461, pressure drop measurement, particle distribution analysis using laser Doppler anemometry

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 Inlet/Outlet Cones

Manufacturer profiles associated with Inlet/Outlet Cones.

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Frequently Asked Questions

What is the purpose of different taper angles in inlet/outlet cones?

Taper angles (typically 15-30°) balance flow distribution versus pressure drop. Steeper angles provide more compact designs but may cause flow separation, while gentler angles ensure smoother transitions but require more space.

How do inlet/outlet cones affect filter performance?

Properly designed cones ensure uniform gas distribution across filter media, preventing premature clogging in specific areas, reducing pressure differentials by 15-25%, and extending filter service life by 20-40%.

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.

Inlet/Outlet Cones