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Port Flange/Connection Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

A precision-engineered flange connection designed to interface between a machine's drain/outlet port and a valve assembly. It provides a leak-proof, pressure-resistant seal while allowing for easy installation, maintenance, and valve replacement. The component typically features bolt holes, gasket surfaces, and standardized dimensions to ensure compatibility with industrial valve systems.

Working Principle

Creates a mechanical seal between two mating surfaces (port and valve) through compression, using bolts to apply clamping force that compresses a gasket, preventing fluid leakage while maintaining structural integrity under operational pressures and temperatures.

Materials

Stainless steel (AISI 304/316), carbon steel (ASTM A105), ductile iron (ASTM A536), or engineered polymers (PTFE, PVDF) depending on corrosion resistance, pressure rating, and fluid compatibility requirements.

Technical Parameters

Face Type Raised face (RF) or flat face (FF)
Surface Finish 125-250 Ra μm
Flange Standard ANSI B16.5, DIN EN 1092-1
Pressure Rating PN16/PN25 (150/300 psi)
Temperature Range -20°C to 200°C
Bolt Hole Quantity 4, 8, or 12 holes
Bolt Circle Diameter As per flange size

Standards

ISO 7005-1, DIN 2501, ASME B16.5, EN 1092-1

Industry Taxonomies & Aliases

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

Parent Products

This component is used in the following industrial products

Drain/Outlet Port with Valve

A component that allows controlled drainage of waste materials from a collection vessel.

View Product Details

Engineering Analysis

Risks & Mitigation

Gasket failure leading to leaks
Bolt over-torquing causing flange distortion
Corrosion in aggressive environments
Misalignment during installation

FMEA Triads

Trigger: Improper gasket selection or installation
Failure: Fluid leakage at flange joint
Mitigation: Use correct gasket material/torque specifications; implement installation procedures with torque sequence control

Trigger: Corrosion due to incompatible material with process fluid
Failure: Flange degradation and potential catastrophic failure
Mitigation: Select corrosion-resistant materials (stainless steel, coatings); implement regular inspection schedules

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.8 mm on bolt circle diameter, ±0.4 mm on bolt hole positioning, Ra 3.2-6.3 μm surface finish

Test Method

Hydrostatic pressure testing per ISO 5208, helium leak testing for critical applications, dimensional verification per ASME B16.5

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What are the main differences between RF and FF flange faces?

Raised Face (RF) has a raised ring around the bore for higher pressure sealing with gaskets, while Flat Face (FF) provides full surface contact, typically used for lower pressure applications or with full-face gaskets.

How do I select the correct gasket material for a port flange?

Select based on fluid compatibility, temperature, pressure, and flange face type. Common materials include rubber (NBR, EPDM), PTFE, graphite, or metal (spiral wound) gaskets matching the flange specifications.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

Port Flange/Connection