Apex Nozzle: Diameter Range 5-100 mm

Component Specifications

Definition

The apex nozzle is a critical component located at the narrowest point (apex) of a hydrocyclone cone, designed to regulate the discharge of dense underflow slurry. It functions as an adjustable orifice that determines cut-point size, separation sharpness, and throughput capacity by controlling pressure drop and flow velocity. Precision engineering ensures optimal particle classification in liquid-solid separation processes.

Working Principle

The apex nozzle operates based on centrifugal sedimentation principles within a hydrocyclone. As slurry enters tangentially, centrifugal forces push denser particles toward the cone wall, descending to the apex. The nozzle's diameter controls underflow discharge rate and pressure, affecting the equilibrium between overflow and underflow streams. Adjusting the nozzle size alters the separation cut-point and efficiency by modifying internal fluid dynamics and particle retention time.

Materials

High-wear-resistant materials: Polyurethane (PU), Ceramic (Alumina), Tungsten Carbide, or Stainless Steel (316L/304). Material selection depends on application abrasiveness, chemical compatibility, and temperature range.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Adjustability	Fixed or Variable Orifice
Diameter Range	5-100 mm
Connection Type	Threaded, Flanged, or Quick-Release
Pressure Rating	Up to 10 bar
Temperature Range	-20°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 9908, DIN 24250

Parent Products

This component is used in the following industrial products

Hydrocyclone Cone

The conical section of a hydrocyclone separator that creates centrifugal force for starch separation.

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Engineering Analysis

Risks & Mitigation

Wear and erosion from abrasive particles
Clogging due to oversized solids or slurry viscosity
Misalignment causing uneven flow and reduced efficiency

FMEA Triads

Trigger: Abrasive particle impact
Failure: Nozzle diameter enlargement leading to poor separation
Mitigation: Use wear-resistant materials like ceramic or polyurethane; implement regular inspection schedules.

Trigger: Improper sizing or adjustment
Failure: Inefficient particle classification or system blockage
Mitigation: Calculate optimal diameter based on slurry properties; use adjustable nozzles for fine-tuning.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm diameter tolerance for precision separation

Test Method

Flow rate testing per ISO 9908; wear resistance evaluation via ASTM G65 abrasion test

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

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Manufacturers of Apex Nozzle

Manufacturer profiles associated with Apex Nozzle.

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Frequently Asked Questions

How does apex nozzle size affect hydrocyclone performance?

Nozzle diameter directly influences cut-point size and separation sharpness. A smaller diameter increases underflow density but may cause clogging, while a larger diameter reduces separation efficiency by allowing finer particles to escape.

What maintenance is required for apex nozzles?

Regular inspection for wear, erosion, or blockage; cleaning to prevent buildup; and replacement based on material degradation to maintain optimal separation performance.

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.

Apex Nozzle