Editorial Technical Reference

Nozzle Body/Shaft

This page explains how Nozzle Body/Shaft is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

The structural core component of a vacuum nozzle that houses internal mechanisms and provides mounting/connection interfaces.

Product Specifications

Technical details and manufacturing context for Nozzle Body/Shaft

Definition
The nozzle body/shaft is the central structural component of a vacuum nozzle assembly, serving as the main housing that contains suction channels, valve mechanisms, and mounting points. It provides the rigid framework that connects to vacuum systems while maintaining precise alignment for optimal suction performance. This component is typically manufactured from stainless steel, aluminum alloy, or engineering plastic, depending on the application requirements. Key parameters include operating pressure (1.0–1.6 MPa), nominal diameter (15–60 mm per ISO 6708), overall length (80–200 mm), shaft diameter (10–25 mm), material grade (304–316L per ASTM A276), surface roughness (Ra 0.8–1.6 μm per ISO 1302), tolerance grade (IT6–IT8 per ISO 286), operating temperature (-40–85 °C), and weight (0.5–3.5 kg). These values are reference ranges and must be verified for the specific model and application. The nozzle body/shaft is designed to maintain negative pressure within internal channels while providing mechanical stability and connection interfaces to both the vacuum source and the nozzle tip. It is a critical part that influences the overall performance and reliability of the vacuum system. When selecting or replacing this component, it is essential to confirm the exact specifications with the legal manufacturer or supplier to ensure compatibility and safe operation. Regular inspection for wear, corrosion, or damage is recommended, and any signs of leakage or misalignment should be addressed promptly. The component's design and material selection are based on the intended operating conditions, including pressure, temperature, and the nature of the media being handled. Proper installation and maintenance are crucial to achieving optimal suction performance and extending the service life of the equipment.
Working Principle
The nozzle body/shaft functions as the conduit and structural support for vacuum suction. It maintains negative pressure within internal channels while providing mechanical stability and connection interfaces to both the vacuum source and the nozzle tip. The internal geometry ensures smooth airflow and efficient pressure differential, enabling effective suction. The shaft portion provides alignment and support for moving parts, while the body houses critical components such as valves and seals. The material and surface finish are selected to minimize friction and wear, ensuring reliable operation over time.
Common Materials
Stainless Steel, Aluminum Alloy, Engineering Plastic
Technical Parameters
ParameterTypical rangeNotes & selection driver
Nominal Diameter15–60 mmMatches pipe sizeISO 6708
Overall Length80–200 mmDepends on nozzle type
Shaft Diameter10–25 mmCritical for bearing fit
Material Grade304–316L316L for corrosive mediaASTM A276
Surface RoughnessRa 0.8–1.6 μmSmoother for sealingISO 1302
Tolerance GradeIT6–IT8Precision for moving partsISO 286
Operating Temperature-40–85 °CSeal material limits
Weight0.5–3.5 kgAffects handling

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar (vacuum to positive pressure)
flow rate: Up to 500 L/min (depending on orifice size)
temperature: -40°C to 150°C
slurry concentration: Up to 30% solids by weight
Media Compatibility
✓ Water-based fluids ✓ Chemical slurries (pH 4-10) ✓ Food-grade media
Unsuitable: Hydrofluoric acid or highly corrosive halogen environments
Sizing Data Required
  • Required flow rate (L/min)
  • Connection interface type/standard
  • Operating pressure differential (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: High-velocity fluid carrying particulate matter impinging on nozzle surfaces, gradually wearing away material and altering flow characteristics.
Cavitation
Cause: Rapid pressure drops below fluid vapor pressure at constriction points, causing vapor bubble formation and subsequent implosion that damages nozzle material through pitting and fatigue.
Maintenance Indicators
  • Irregular spray pattern or deviation from specified spray angle during operation
  • Unusual vibration or audible high-frequency whistling/hissing from nozzle assembly
Engineering Tips
  • Implement regular fluid filtration and upstream strainers to reduce abrasive particles reaching nozzle surfaces
  • Maintain operating pressure within recommended ranges and avoid sudden pressure fluctuations to minimize cavitation risk

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ASME B16.5 - Pipe Flanges and Flanged Fittings DIN 11851 - Nozzles for the Food Industry

Quoted from the published standard.

Manufacturing Precision
  • Bore Diameter: +/-0.01mm
  • Surface Finish: Ra 0.4μm max
Quality Inspection
  • Dimensional Verification with CMM
  • Pressure Testing to 1.5x Rated Pressure

Manufacturers of Nozzle Body/Shaft

Manufacturer profiles associated with Nozzle Body/Shaft.

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Frequently Asked Questions

What is the function of the nozzle body/shaft?

The nozzle body/shaft is the central structural component of a vacuum nozzle. It houses internal mechanisms such as suction channels and valves, and provides mounting and connection interfaces to the vacuum system and nozzle tip. It ensures structural integrity and precise alignment for optimal suction performance.

What materials are commonly used for the nozzle body/shaft?

Common materials include stainless steel, aluminum alloy, and engineering plastic. The choice depends on the application, including factors like corrosion resistance, weight, and cost. Material grades such as 304–316L are reference ranges and must be confirmed for the specific model.

What are the key parameters to consider when selecting a nozzle body/shaft?

Key parameters include operating pressure (1.0–1.6 MPa), nominal diameter (15–60 mm), overall length (80–200 mm), shaft diameter (10–25 mm), material grade, surface roughness (Ra 0.8–1.6 μm), tolerance grade (IT6–IT8), operating temperature (-40–85 °C), and weight. These are reference ranges; verify with the manufacturer for your application.

How should the nozzle body/shaft be maintained?

Regular inspection for wear, corrosion, or damage is recommended. Check for leaks or misalignment, and ensure that seals and moving parts are in good condition. Follow the manufacturer's guidelines for cleaning and lubrication. Replace the component if any defects are found to maintain performance and safety.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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