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Inlet Section Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

The inlet section is a critical component of tungsten carbide nozzles designed to manage the entry of fluids (liquids, gases, or slurries) into the nozzle assembly. It features precisely engineered geometry to establish laminar flow, minimize turbulence, and optimize pressure distribution before the fluid reaches the nozzle's orifice. This component ensures consistent flow patterns, reduces energy losses, and enhances the overall efficiency and accuracy of the spraying, cutting, or coating process.

Working Principle

The inlet section operates on fluid dynamics principles, utilizing convergent geometry to accelerate fluid flow while maintaining stability. It transforms incoming fluid from the supply line into a controlled, uniform stream by reducing cross-sectional area gradually. This design minimizes boundary layer separation and prevents cavitation, ensuring the fluid enters the nozzle's main body with optimal velocity and pressure characteristics for subsequent atomization or directional control.

Materials

Tungsten carbide (WC-Co) with cobalt binder (6-12% Co), hardness: 88-92 HRA, density: 14.0-14.9 g/cm³, fracture toughness: 10-15 MPa·m¹/²

Technical Parameters

Inlet Diameter 3-25 mm
Surface Finish Ra ≤ 0.4 μm
Connection Type Threaded (NPT, BSP), Flanged, Quick-connect
Pressure Rating Up to 500 bar
Convergence Angle 15-30 degrees
Temperature Range -50°C to 400°C

Standards

ISO 9001, DIN 1952, ISO 5167

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Inlet Section.

Parent Products

This component is used in the following industrial products

Tungsten Carbide Nozzles

High-wear-resistant nozzles used in hydraulic descaling systems to direct high-pressure water jets onto hot steel surfaces.

View Product Details

Engineering Analysis

Risks & Mitigation

Flow instability due to improper geometry
Cavitation damage from pressure drops
Wear from abrasive fluids
Thermal stress cracking

FMEA Triads

Trigger: Improper convergence angle design
Failure: Turbulent flow and reduced efficiency
Mitigation: Implement computational fluid dynamics (CFD) analysis during design phase

Trigger: Abrasive fluid particles
Failure: Premature wear and geometry degradation
Mitigation: Use tungsten carbide with optimal cobalt content and apply protective coatings

Trigger: Pressure fluctuations in supply system
Failure: Cavitation and surface pitting
Mitigation: Install pressure regulators and dampeners upstream

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.01 mm on critical dimensions, concentricity within 0.02 mm TIR

Test Method

Flow rate testing per ISO 5167, pressure decay testing, dimensional verification with CMM

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 purpose of the inlet section in tungsten carbide nozzles?

The inlet section controls initial fluid entry, establishes laminar flow, minimizes turbulence, and optimizes pressure distribution before the fluid reaches the nozzle orifice, ensuring consistent performance.

Why is tungsten carbide used for inlet sections?

Tungsten carbide offers exceptional wear resistance, hardness, and corrosion resistance, making it ideal for handling abrasive fluids and high-pressure applications while maintaining precise geometries.

How does the convergence angle affect performance?

The convergence angle (typically 15-30 degrees) determines flow acceleration and stability. Optimal angles minimize energy losses and prevent flow separation for efficient operation.

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.

Inlet Section