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INDUSTRY COMPONENT

Inlet Connection Flange

A standardized flange component designed to connect inlet piping to the Upper Distributor machine, ensuring secure fluid transfer with proper sealing.

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Component Specifications

Definition

The Inlet Connection Flange is a precision-machined circular component with bolt holes and a sealing surface, serving as the interface between the inlet pipe and the Upper Distributor's main body. It facilitates the controlled entry of fluids (liquids or gases) into the distribution system while maintaining pressure integrity and preventing leaks through gasket compression.

Working Principle

Operates by creating a bolted, gasket-sealed joint between the inlet pipe and the Upper Distributor housing. When bolts are tightened, the flange compresses a gasket against mating surfaces, forming a pressure-tight seal that allows fluid to flow into the distributor while withstanding system pressures and preventing external contamination.

Materials

Typically ASTM A105 carbon steel, 304/316 stainless steel, or ductile iron; includes specifications for hardness (e.g., HB 187 max for steel), corrosion resistance, and machinability per ASTM/ASME standards.

Technical Parameters

Face Type Raised face (RF)
Thickness 12-25 mm depending on size
Surface Finish 125-250 µin Ra for sealing
Pressure Rating PN16/PN25 (150/300 psi)
Nominal Diameter DN50 to DN200
Bolt Circle Diameter As per ASME B16.5

Standards

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

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Inlet Connection Flange.

Parent Products

This component is used in the following industrial products

Upper Distributor

A component within a vessel or container that evenly distributes materials, fluids, or gases entering from the top.

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Engineering Analysis

Risks & Mitigation

Gasket failure leading to leaks
Bolt loosening under vibration
Corrosion in aggressive environments
Misalignment causing seal damage

FMEA Triads

Trigger: Improper bolt torque
Failure: Flange leak under pressure
Mitigation: Use calibrated torque wrenches and follow tightening sequences per ASME PCC-1

Trigger: Corrosive fluid exposure
Failure: Material degradation and pitting
Mitigation: Select corrosion-resistant materials (e.g., 316 stainless steel) and apply protective coatings if needed

Trigger: Thermal cycling
Failure: Gasket compression loss and leakage
Mitigation: Use spiral-wound gaskets and schedule retorquing after temperature changes

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.8 mm on bolt hole diameter, ±1° on bolt circle angularity per ASME B16.5

Test Method

Hydrostatic pressure testing at 1.5x rated pressure for 30 minutes, with visual inspection and leak detection using soap solution or ultrasonic methods.

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 is the primary function of an Inlet Connection Flange?

To provide a secure, leak-proof connection between the inlet pipe and the Upper Distributor, enabling controlled fluid entry while maintaining system pressure integrity.

How do I select the correct flange material?

Choose based on fluid compatibility, pressure/temperature conditions, and corrosion requirements—common options include carbon steel for general use, stainless steel for corrosive environments, and ductile iron for cost-effective applications.

What maintenance does this flange require?

Regular inspection for bolt tightness, gasket wear, and surface corrosion; replace gaskets during system shutdowns and ensure bolt retorquing as per manufacturer 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.