INDUSTRY COMPONENT

Inlet Flange

Inlet flange for starch hydrocyclone separation cone, connecting feed pipeline to separation chamber.

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Component Specifications

Definition
The inlet flange is a critical connecting component in starch hydrocyclone separation systems that provides a sealed, pressure-resistant interface between the feed pipeline and the separation cone. It ensures controlled entry of starch slurry into the hydrocyclone while maintaining system integrity under operational pressures up to 0.6 MPa. The flange features precision-machined sealing surfaces and bolt patterns that align with international standards for food processing equipment.
Working Principle
The inlet flange functions as a pressure boundary and flow director. When starch slurry enters through the connected pipeline, the flange's geometry creates a smooth transition that minimizes turbulence and pressure loss. The sealing mechanism prevents leakage while allowing for controlled slurry entry into the hydrocyclone's tangential inlet, initiating the centrifugal separation process. Proper flange alignment ensures optimal flow characteristics for efficient starch separation.
Materials
Food-grade 316L stainless steel (AISI 316L/1.4404), with FDA-compliant EPDM gaskets. Surface finish: Ra ≤ 0.8 μm for sealing surfaces. Material certification: EN 10204 3.1.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Weight2.8 kg
Thickness16 mm
Bolt Holes8 × M12
Surface FinishRa 0.8 μm
Pressure RatingPN10
Nominal DiameterDN80
Bolt Circle Diameter150 mm
Operating Temperature-10°C to 120°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 5211, DIN 2501, ASME B16.5, FDA CFR 21

Parent Products

This component is used in the following industrial products

Starch Hydrocyclone Separation Cone

Precision conical component for starch-protein separation in wet milling processes.

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

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Valve Body

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

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Engineering Analysis

Risks & Mitigation
  • Gasket failure leading to slurry leakage
  • Improper bolt torque causing uneven sealing
  • Corrosion from acidic starch byproducts
  • Misalignment causing flow turbulence and reduced separation efficiency
FMEA Triads
Trigger: Insufficient bolt torque during installation
Failure: Uneven gasket compression leading to localized leakage
Mitigation: Implement torque-controlled installation procedures using calibrated tools and follow cross-tightening patterns
Trigger: Chemical attack from starch processing acids
Failure: Pitting corrosion on flange sealing surfaces
Mitigation: Regular inspection schedule and use of corrosion-resistant 316L stainless steel with proper passivation
Trigger: Thermal cycling during CIP (Clean-in-Place) procedures
Failure: Gasket degradation and loss of sealing integrity
Mitigation: Use temperature-resistant EPDM gaskets and implement gradual temperature transitions during cleaning cycles

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Flatness tolerance: ≤ 0.1 mm across sealing surface, Bolt hole positional tolerance: ±0.5 mm, Surface roughness: Ra 0.4-0.8 μm
Test Method
Helium leak test at 0.8 MPa, Dye penetrant inspection for surface defects, Dimensional verification using CMM, Material certification per EN 10204 3.1

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 Inlet Flange

Manufacturer profiles associated with Inlet Flange.

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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 pressure rating is required for starch hydrocyclone inlet flanges?

Starch hydrocyclone inlet flanges typically require PN10 (10 bar) pressure rating to handle operational pressures up to 0.6 MPa while maintaining safety margins for pressure fluctuations during starch processing.

Why is 316L stainless steel used for these flanges?

316L stainless steel offers superior corrosion resistance against starch slurries and cleaning chemicals, contains low carbon to prevent sensitization during welding, and meets food safety standards for direct contact with food products.

How often should inlet flange gaskets be replaced?

EPDM gaskets should be inspected quarterly and replaced annually or whenever signs of compression set, cracking, or chemical degradation are observed to prevent leakage and contamination risks.

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.

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