INDUSTRY COMPONENT

Outlet Flange/Connection

Outlet flange/connection is a standardized interface component that provides secure attachment and sealing for fluid discharge from collector headers in industrial systems.

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Component Specifications

Definition
The outlet flange/connection is a critical piping component designed to create a leak-proof, pressure-resistant joint between the collector header's discharge port and downstream piping systems. It typically consists of a flanged face with bolt holes, gasket seating surface, and standardized dimensions that ensure proper alignment, sealing integrity, and mechanical stability under operational pressures and temperatures. This component facilitates maintenance access, system modularity, and compatibility with various pipe sizes and pressure ratings.
Working Principle
The outlet flange/connection operates on the principle of creating a mechanical seal through compressive force. When bolts are tightened through aligned bolt holes, they compress a gasket between two flanged faces, creating a pressure-tight barrier that prevents fluid leakage. The flange's raised face or flat surface ensures even gasket compression, while the bolt circle distributes clamping forces uniformly to maintain seal integrity under thermal expansion, vibration, and pressure fluctuations.
Materials
Carbon steel (ASTM A105/A350 LF2), stainless steel (ASTM A182 F304/F316), alloy steel (ASTM A182 F11/F22), with optional coatings (galvanized, epoxy) for corrosion resistance. Gasket materials: spiral wound (stainless steel + graphite/fiber), rubber (EPDM, Nitrile), PTFE.
Technical Parameters
  • Face Type Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
  • Size Range DN15 to DN600 (1/2" to 24")
  • Surface Finish 125-250 AARH for gasket seating
  • Pressure Rating 150# to 2500#
  • Temperature Range -29°C to 538°C (-20°F to 1000°F)
  • Bolt Circle Diameter As per ASME B16.5
Standards
ISO 7005-1, ASME B16.5, DIN 2633, EN 1092-1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Outlet Flange/Connection.

outlet flange collector header connection industrial flange pipe flange fluid discharge flange ASME B16.5 flange pressure vessel connection Outlet Flange/Connection Outlet Flange/Connection in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Collector Header

A distribution manifold in resin underdrain systems that collects and channels filtered water from multiple laterals.

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Engineering Analysis

Risks & Mitigation
  • Gasket blowout under overpressure
  • Bolt fatigue from vibration
  • Corrosion at flange face
  • Misalignment causing leakage
  • Thermal stress cracking
FMEA Triads
Trigger: Improper bolt tightening sequence or torque
Failure: Uneven gasket compression leading to leakage
Mitigation: Implement calibrated torque wrench procedures and cross-pattern tightening sequences
Trigger: Thermal cycling without expansion joints
Failure: Flange distortion and seal failure
Mitigation: Install expansion loops/bellows and use flexible gasket materials
Trigger: Corrosive fluid exposure
Failure: Flange face pitting and sealing surface degradation
Mitigation: Select corrosion-resistant materials and apply protective coatings

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Flange face flatness: 0.8mm maximum deviation across any diameter, Bolt hole alignment: ±1mm positional tolerance
Test Method
Hydrostatic pressure testing per ASME BPVC Section VIII, Helium leak testing for critical services, Visual inspection per ASME B16.5

Buyer Feedback

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

"Great transparency on the Outlet Flange/Connection components. Essential for our Machinery and Equipment Manufacturing supply chain."

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Frequently Asked Questions

What are the main types of outlet flange faces?

The three main types are Raised Face (RF) for general service, Flat Face (FF) for low pressure applications, and Ring Type Joint (RTJ) for high-pressure/temperature services.

How do I select the correct gasket for an outlet flange?

Select based on fluid compatibility, temperature, pressure, and flange face type. Spiral wound gaskets are common for raised faces, while full-face gaskets are used with flat face flanges.

What torque values should be used for flange bolts?

Torque values depend on bolt size, material, and gasket type. Always follow manufacturer specifications or ASME PCC-1 guidelines for proper bolt tightening sequences and torque values.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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