Industry-Verified Manufacturing Data (2026)

Nozzle

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

Technical Definition & Core Assembly

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

A precision component of a cutting torch that directs and shapes the flow of fuel-oxygen mixture for controlled metal cutting.

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Product Specifications

Technical details and manufacturing context for Nozzle

Definition
The nozzle is a critical component of a cutting torch that precisely controls the flow and shape of the fuel-oxygen mixture exiting the torch. It determines the cutting flame's characteristics, including velocity, shape, and concentration, which directly impact cutting speed, quality, and kerf width. Nozzles are designed for specific fuel types (acetylene, propane, natural gas) and metal thicknesses.
Working Principle
The nozzle accelerates the mixed fuel and oxygen gases through a precisely machined orifice, creating a high-velocity, concentrated flame jet. This jet preheats the metal to its ignition temperature and then provides the oxygen stream that oxidizes and removes the molten metal, creating the cut. The nozzle's internal geometry (orifice size, taper, length) controls flame stability and cutting performance.
Common Materials
Copper, Brass
Technical Parameters
  • Orifice diameter - determines gas flow rate and is sized for specific fuel type and metal thickness. (mm) Standard Spec
Components / BOM
  • Orifice
    Precision-machined hole that shapes and accelerates the gas mixture
    Material: Copper alloy
  • Body
    Main structural component that houses the orifice and provides attachment threads
    Material: Brass or copper
  • Preheat Holes
    Small holes surrounding the main orifice that provide preheat flames
    Material: Copper alloy
Engineering Reasoning
0.35-0.70 MPa (5-10 psi) fuel-oxygen mixture pressure, 0.5-3.0 mm orifice diameter, 2300-3300°C flame temperature
Orifice erosion exceeding 0.1 mm diameter increase, thermal fatigue cracks >0.5 mm depth, backpressure exceeding 1.2 MPa (174 psi)
Design Rationale: Thermal fatigue from cyclic heating (2300°C flame) and cooling (ambient air), cavitation erosion from pressure differentials exceeding vapor pressure of cutting fluid, oxidation degradation at temperatures above 800°C
Risk Mitigation (FMEA)
Trigger Incomplete combustion due to incorrect fuel-oxygen ratio (outside 1.1:1 to 1.5:1 stoichiometric range)
Mode: Carbon deposit accumulation in orifice reducing flow by >15%
Strategy: Integrated mass flow sensors with PID-controlled solenoid valves maintaining ±2% ratio accuracy
Trigger Thermal shock from contact with molten metal (exceeding 1500°C for >2 seconds)
Mode: Microcrack propagation in copper-chromium-zirconium alloy leading to gas leakage >0.1 L/min
Strategy: Ceramic thermal barrier coating (ZrO2-Y2O3) with 0.3 mm thickness and active water cooling maintaining nozzle temperature <400°C

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Nozzle.

copper cutting torch nozzle replacement brass nozzle for metal fabrication torches precision cutting torch nozzle with preheat holes industrial metal cutting nozzle BOM parts fabricated metal product manufacturing nozzle specs

Applied To / Applications

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

Cutting Torch
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Burner
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Welding Torch
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Welding Torch (Gun)
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Fuel Injector
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Flapper-Nozzle Assembly
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Shotcrete Machine
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 150 psi (10.3 bar) operating pressure
flow rate: 0.5-15 SCFM (14-425 L/min) fuel-oxygen mixture
temperature: Up to 500°C (932°F) continuous, 800°C (1472°F) peak
slurry concentration: Not applicable - designed for gas mixtures only
Media Compatibility
✓ Acetylene-oxygen mixtures ✓ Propane-oxygen mixtures ✓ Natural gas-oxygen mixtures
Unsuitable: Abrasive slurry environments or particulate-laden gases
Sizing Data Required
  • Required cutting thickness (mm/inches)
  • Fuel gas type and flow rate (SCFM/LPM)
  • Desired cut quality/kerf width specifications

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: High-velocity flow of particulate-laden fluids causing gradual material removal from internal surfaces, especially at the orifice and throat.
Cavitation
Cause: Localized pressure drops below vapor pressure, forming and collapsing vapor bubbles that create micro-jets, leading to pitting and material fatigue.
Maintenance Indicators
  • Irregular spray pattern or flow deviation from design specification
  • Unusual vibration or audible hissing/whistling indicating internal damage or blockage
Engineering Tips
  • Implement regular inline filtration to remove particulates and prevent abrasive wear
  • Maintain operating pressure within design limits to avoid cavitation and ensure proper material selection for the specific fluid service

Compliance & Manufacturing Standards

Reference Standards
ISO 28580:2009 (Nozzle dimensions and tolerances) ANSI B16.5 (Pipe flanges and flanged fittings) DIN 11851 (Nozzles for the food industry)
Manufacturing Precision
  • Bore diameter: +/-0.02 mm
  • Surface flatness: 0.1 mm per 100 mm
Quality Inspection
  • Dimensional verification with coordinate measuring machine (CMM)
  • Pressure testing to verify leak-tightness

Factories Producing Nozzle

Verified manufacturers with capability to produce this product in China

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✓ 95% Supplier Capability Match Found

S Sourcing Manager from Brazil Feb 01, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
P Procurement Specialist from Canada Jan 29, 2026
★★★★☆
"As a professional in the Fabricated Metal Product Manufacturing sector, I confirm this Nozzle meets all ISO standards. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from United States Jan 26, 2026
★★★★★
"Standard OEM quality for Fabricated Metal Product Manufacturing applications. The Nozzle arrived with full certification."
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.”

8 sourcing managers are analyzing this specification now. Last inquiry for Nozzle from Mexico (1h ago).

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Frequently Asked Questions

What materials are used in these cutting torch nozzles?

Our nozzles are manufactured from high-quality copper and brass, chosen for their durability, heat resistance, and optimal performance in metal cutting applications.

What are the main components in the nozzle BOM?

The bill of materials includes three key components: the orifice for precise fuel-oxygen mixture control, the body housing, and preheat holes that ensure consistent ignition and cutting performance.

How does this nozzle improve metal cutting precision?

The nozzle's precision engineering directs and shapes the fuel-oxygen flow with exceptional accuracy, resulting in cleaner cuts, reduced material waste, and improved efficiency in fabricated metal product manufacturing.

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.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Fabricated Metal Product Manufacturing sector.

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