Industry-Verified Manufacturing Data (2026)

Nozzle Body

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Nozzle Body used in the Basic Metal Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Nozzle Body is characterized by the integration of Inlet Flange and Flow Channel. In industrial production environments, manufacturers listed on CNFX commonly emphasize Refractory Ceramic construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The main structural housing of a molten metal flow control nozzle that contains and directs the flow channel.

Product Specifications

Technical details and manufacturing context for Nozzle Body

Definition
The nozzle body is the primary structural component of a molten metal flow control nozzle, serving as the outer casing that houses the internal flow channel and provides mounting interfaces for other nozzle components. It maintains structural integrity under high temperatures and pressures while precisely directing molten metal flow in continuous casting or metal pouring applications.
Working Principle
The nozzle body provides a rigid, thermally resistant enclosure for the molten metal flow path. It withstands thermal expansion and contraction cycles while maintaining dimensional stability to ensure consistent flow characteristics. The body's internal geometry is precisely machined to create a controlled flow profile from inlet to outlet.
Common Materials
Refractory Ceramic, High-Alumina Ceramic, Zirconia-Based Ceramic
Technical Parameters
  • Internal bore diameter that determines flow capacity and velocity (mm) Standard Spec
Components / BOM
  • Inlet Flange
    Provides connection interface to upstream tundish or ladle
    Material: Refractory Ceramic
  • Flow Channel
    Precisely shaped passage for molten metal flow control
    Material: High-Alumina Ceramic
  • Outlet Section
    Terminal portion that directs flow into mold or receiving vessel
    Material: Zirconia-Based Ceramic
  • Mounting Features
    Attachment points for securing nozzle and connecting to other components
    Material: Refractory Ceramic
Engineering Reasoning
0-15 MPa internal pressure, 700-1600°C molten metal temperature, 0.5-3.0 m/s flow velocity
Material yield strength threshold at 450 MPa (for high-temperature steel), thermal stress exceeding 300 MPa, erosion rate >0.1 mm/hour
Design Rationale: Thermal fatigue from cyclic heating/cooling (ΔT>500°C), creep deformation at sustained temperatures >1200°C, erosion-corrosion from molten metal flow (velocity >3.5 m/s)
Risk Mitigation (FMEA)
Trigger Thermal shock from rapid temperature change exceeding 200°C/minute
Mode: Crack initiation and propagation in nozzle body wall
Strategy: Gradual preheating protocol (max 50°C/minute ramp rate), thermal barrier coating (ZrO2-based), controlled cooling system
Trigger Molten metal flow velocity exceeding 3.5 m/s for sustained periods
Mode: Accelerated erosion of flow channel surface (>0.15 mm/hour material loss)
Strategy: Tungsten carbide lining in flow channel, optimized flow geometry (Reynolds number <2300), regular thickness monitoring via ultrasonic testing

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Nozzle Body.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0.1-0.5 MPa (operating), 1.0 MPa (max burst)
flow rate: 5-50 kg/s (molten metal)
temperature: 1200-1600°C (continuous), up to 1700°C (peak)
slurry concentration: Not applicable - designed for pure molten metals
Media Compatibility
✓ Molten aluminum alloys ✓ Molten copper alloys ✓ Molten zinc alloys
Unsuitable: Oxidizing atmospheres without protective inert gas shrouding
Sizing Data Required
  • Required flow rate (kg/s)
  • Molten metal temperature (°C)
  • Connection flange standard and size

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: High-velocity flow containing solid particles (e.g., sand, scale, debris) impinging on internal surfaces, gradually wearing away material and altering flow characteristics.
Cavitation
Cause: Rapid pressure drops below fluid vapor pressure, forming and collapsing vapor bubbles that create localized shock waves, leading to pitting and material fatigue.
Maintenance Indicators
  • Irregular spray pattern or flow deviation from design specifications
  • Unusual vibration, whistling, or hammering noises during operation
Engineering Tips
  • Install upstream filtration (e.g., strainers, separators) to remove abrasive particles and reduce erosion risk
  • Optimize operating pressure and flow rates to stay within design parameters, avoiding conditions that promote cavitation

Compliance & Manufacturing Standards

Reference Standards
ISO 5167: Flow measurement by means of pressure differential devices ANSI B16.5: Pipe Flanges and Flanged Fittings DIN 11851: Nozzles for the food industry - Clamp connection
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Surface flatness: 0.1mm
Quality Inspection
  • Dye Penetrant Test for surface defects
  • Spectrographic Analysis for material composition

Factories Producing Nozzle Body

Verified manufacturers with capability to produce this product in China

✓ 95% Supplier Capability Match Found

S Sourcing Manager from Brazil Feb 25, 2026
★★★★★
"The technical documentation for this Nozzle Body is very thorough, especially regarding technical reliability."
Technical Specifications Verified
P Procurement Specialist from Canada Feb 22, 2026
★★★★☆
"Reliable performance in harsh Basic Metal Manufacturing environments. No issues with the Nozzle Body so far. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from United States Feb 19, 2026
★★★★★
"Testing the Nozzle Body now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

15 sourcing managers are analyzing this specification now. Last inquiry for Nozzle Body from India (1h ago).

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Frequently Asked Questions

What materials are best for nozzle bodies in high-temperature metal applications?

Refractory ceramics like high-alumina and zirconia-based ceramics are ideal for nozzle bodies due to their exceptional thermal stability, corrosion resistance, and ability to withstand molten metal environments.

How does the nozzle body design affect molten metal flow control?

The nozzle body's structural housing precisely contains and directs the flow channel, with components like the inlet flange, mounting features, and outlet section working together to regulate flow rate, minimize turbulence, and ensure consistent metal delivery.

What maintenance considerations are important for nozzle bodies in basic metal manufacturing?

Regular inspection for thermal stress cracks, erosion of the flow channel, and proper alignment of mounting features is crucial. Using compatible refractory materials and following thermal cycling protocols extends service life.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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