INDUSTRY COMPONENT

Outlet Flange

Outlet flange for combustion air blower connection and sealing

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Component Specifications

Definition
A precision-machined flange component designed to connect the discharge outlet of a combustion air blower to downstream ductwork or equipment, providing a secure, sealed interface that maintains system pressure integrity while allowing for thermal expansion and vibration isolation.
Working Principle
The outlet flange creates a bolted, gasketed connection between the blower housing and attached piping, distributing mechanical loads evenly across the mating surfaces while preventing air leakage through compression sealing. It accommodates differential thermal expansion between components and dampens vibration transmission.
Materials
ASTM A36 carbon steel or ASTM A240 304/316 stainless steel, with surface finish Ra ≤ 3.2 μm, corrosion-resistant coating optional
Technical Parameters
  • Thickness 20-40 mm
  • Bolt Holes 8-12 holes
  • Flange Type Weld Neck (WN)
  • Max Pressure 16 bar
  • Pressure Rating PN16/Class 150
  • Nominal Diameter DN150 to DN600
  • Bolt Circle Diameter As per ASME B16.5
  • Operating Temperature -20°C to +400°C
Standards
ISO 7005-1, DIN 2633, ASME B16.5, EN 1092-1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Outlet Flange.

combustion air blower flange outlet flange blower discharge flange industrial flange ASME B16.5 flange weld neck flange high-temperature flange Outlet Flange in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Combustion Air Blower

A mechanical device that supplies combustion air to burners in industrial heating systems

View Product Details

Valve Body

The main structural housing of a pressure relief valve that contains and directs fluid flow.

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Material Feeder

A device that controls and regulates the flow of bulk materials into a pneumatic conveyor system.

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Engineering Analysis

Risks & Mitigation
  • Improper gasket installation causing leakage
  • Thermal stress cracking due to expansion mismatch
  • Corrosion in high-moisture environments
  • Bolt fatigue from vibration
FMEA Triads
Trigger: Incorrect bolt torque during installation
Failure: Flange joint leakage leading to pressure loss and efficiency reduction
Mitigation: Use calibrated torque wrenches, follow cross-tightening patterns, and implement torque verification procedures
Trigger: Thermal cycling beyond design limits
Failure: Flange warping or cracking causing catastrophic seal failure
Mitigation: Select materials with compatible thermal expansion coefficients, incorporate expansion joints, and monitor operating temperatures
Trigger: Corrosive environment without proper protection
Failure: Material degradation leading to structural weakness and potential rupture
Mitigation: Apply corrosion-resistant coatings, select appropriate alloy materials, and implement regular inspection schedules

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.5 mm on bolt hole circle diameter, ±0.2 mm on flange face flatness, Ra 3.2 μm maximum surface roughness
Test Method
Hydrostatic pressure testing at 1.5x design pressure, helium leak testing for critical applications, ultrasonic thickness measurement for corrosion monitoring

Buyer Feedback

★★★★☆ 4.9 / 5.0 (32 reviews)

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Outlet Flange meets all ISO standards."

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Outlet Flange arrived with full certification."

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Frequently Asked Questions

What is the purpose of an outlet flange on a combustion air blower?

The outlet flange provides a standardized connection point between the blower discharge and downstream ductwork, ensuring proper sealing, pressure containment, and mechanical stability while allowing for maintenance access.

How do I select the correct outlet flange for my application?

Selection requires matching pressure rating (PN/Class), nominal diameter, material compatibility with process media, temperature range, and compliance with relevant standards like ASME B16.5 or DIN 2633.

What maintenance is required for outlet flanges?

Regular inspection for corrosion, bolt torque verification, gasket replacement during maintenance shutdowns, and checking for deformation or leakage under operating conditions.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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