Elbow Fitting: Pressure Rating Up to 25 psi

Component Specifications

Definition

A precision-engineered pipe fitting designed to change the direction of airflow in industrial exhaust ductwork systems, typically manufactured at standard angles (45°, 90°) to facilitate efficient routing while minimizing pressure drop and turbulence.

Working Principle

Utilizes curved geometry to redirect airflow with minimal energy loss through gradual radius design, maintaining laminar flow characteristics while accommodating system layout constraints.

Materials

Galvanized steel (ASTM A653), stainless steel (304/316L), aluminum alloys (6061-T6), or fiberglass-reinforced plastic for corrosive environments

Technical Parameters

Parameter	Typical range	Notes & selection driver
Angle	45°, 90°, custom angles
Radius	1.5D, 2D, 3D (D=pipe diameter)
Surface Finish	Ra ≤ 3.2 μm for smooth airflow
Connection Type	Flanged, welded, or clamped
Pressure Rating	Up to 25 psi
Temperature Range	-40°F to 750°F (-40°C to 400°C)

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 1127, DIN 2605, ASME B16.9

Parent Products

This component is used in the following industrial products

Exhaust Ductwork

A network of ducts designed to transport exhaust air, fumes, or contaminants from industrial processes or equipment to the outside environment.

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Engineering Analysis

Risks & Mitigation

Flow restriction causing backpressure
Turbulence-induced vibration
Material fatigue at stress points
Corrosion in humid/exhaust environments

FMEA Triads

Trigger: Insufficient radius design
Failure: Excessive pressure drop and turbulence
Mitigation: Implement computational fluid dynamics (CFD) analysis to optimize radius-to-diameter ratio

Trigger: Material corrosion
Failure: Structural weakening and leakage
Mitigation: Apply protective coatings or select corrosion-resistant alloys based on environmental analysis

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±1° angular tolerance, ±0.5mm dimensional tolerance per ISO 2768-m

Test Method

Pressure testing per ASME B31.3, airflow performance testing per AMCA 210

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.

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Manufacturers of Elbow Fitting

Manufacturer profiles associated with Elbow Fitting.

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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 short-radius and long-radius elbow fittings?

Short-radius elbows (1D) create sharper turns with higher pressure drop, while long-radius elbows (1.5D-3D) provide smoother airflow with lower turbulence and energy loss.

How do I select the right material for exhaust elbow fittings?

Consider exhaust temperature, chemical composition, moisture content, and corrosion potential. Galvanized steel for general applications, stainless steel for high-temperature/corrosive environments, and aluminum for lightweight requirements.

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.

Elbow Fitting