Introduction
This document serves as a comprehensive guide for selecting, installing, using, and maintaining Nordson airless nozzles and accessories. It includes technical information on nozzle performance factors, safety precautions, and conversion factors to ensure optimal performance and longevity of Nordson components.
General Information
Nordson manufactures three main types of airless nozzles: Dome, Cross-Cut®, and Conical. Dome and Cross-Cut nozzles produce a flat spray fan pattern, while Conical nozzles create a solid or hollow cone pattern. These nozzles are made from high-quality carbide for excellent abrasion resistance. Turbulence plates and restrictors are available to enhance atomization and reduce wear. Custom nozzles can be made to meet specific customer requirements.
Nozzle Types
Nozzles are categorized by type, flow rate, and pattern width. Dome nozzles are commonly used for thin materials and are affected by the geometry of the inner dome cavity. Cross-Cut nozzles are designed for specific applications and can be customized.
Technical Data
The catalog provides detailed technical data, including flow rate and pressure relationships, pattern width, viscosity, and solvent compatibility. It also includes troubleshooting tips for film faults and safety precautions for airless systems.
Accessories
A variety of accessories are available, including extensions, adapters, and swivel heads, to accommodate specialized applications. Properly sized fluid filters can minimize nozzle plugging and allow the use of smaller nozzles.
Conclusion
This catalog is an essential resource for ensuring the effective use of Nordson airless nozzles, providing detailed specifications and guidance for a wide range of applications.
Overview
This document provides detailed information on various types of nozzles used in electrostatic and airless spray guns, specifically focusing on Dome and Cross-Cut nozzles. It outlines their configurations, applications, and performance factors.
Dome NozzlesDome nozzles are available in several configurations, including:
- Dome C & CA Electrostatic: Used with Model C & CA spray guns for precise fluid flow control.
- Dome, Kinetix, Prism™ Nozzles: Exclusively for Nordson Prism guns.
- Dome Flange Nozzles: General use with a flow rate tolerance of ±5%.
- Dome Flange Close Tolerance Nozzles: For precise flow control with a tolerance of less than ±2%.
- Dome Minimum Cavity Nozzles: Used where a clean nozzle cut-off is required.
- Dome CT Insert Nozzles: Primarily for inside coating of containers.
- Dome Miniature Insert Nozzles: For applications requiring very small nozzles.
- Dome Container Tapered Nozzles: Designed for the container market with close tolerance flow and pattern.
- Dome CleanSpray® Nozzles: Used with Nordson CleanSpray Gun.
- Dome A7AA Nozzles: For Model A7AA Air Assisted Airless guns.
Cross-Cut NozzlesCross-Cut nozzles offer advantages such as wider fan patterns and improved atomization. They are available in configurations like:
- Cross-Cut C & CA Electrostatic Gun Nozzles: For Models C and CA guns.
- Cross-Cut Flanged Nozzles: General use with a variety of flow rates and patterns.
- Cross-Cut Miniature Hex Nozzles: For inside striping of welded cans.
- Cross-Cut Insert Nozzles: For internal coating of containers.
- Cross-Cut Tube Lining Nozzles: For coating small cans and tubes.
- Cross-Cut Can Lining Nozzles: Used with Models A9A and A16A guns.
- Cross-Cut A7AA Nozzles: For Model A7AA Air Assisted Airless guns.
- Cross-Cut Tapered Container Nozzles: Designed for the container market.
- Cross-Cut CleanSpray Nozzles: Used with Nordson CleanSpray gun.
Nozzle Sizes and Performance
The document includes charts showing the range of sizes for Cross-Cut and Dome nozzles, highlighting their flow rates and pattern widths. It also discusses factors affecting nozzle performance, such as pressure, viscosity, and temperature.
Pre-atomization Devices
Pre-atomization devices like turbulence plates and restrictors are used to enhance fluid atomization. The document provides guidelines for selecting these devices based on nozzle flow rates.
Technical Data
The document explains the relationship between flow rate and pressure, providing formulas and charts to calculate theoretical flow rates at different pressures. It also discusses the effect of T-plates and restrictors on flow rate and pattern width.
Pattern Width
Pattern width is a critical factor in nozzle selection, influenced by spray distance and other conditions. The document provides theoretical and actual pattern width data for various nozzles.
Pattern Distribution and Nozzle Specifications
The document discusses non-symmetrical film build patterns, highlighting a larger material buildup on one side of the fan pattern. Nozzles are available with various distributions, coded from A to D, with custom patterns available upon request. Special nozzles produce a heavier center pattern.
Viscosity and Its Impact
Viscosity, a measure of a liquid's resistance to flow, affects flow rates and pattern widths. It can change significantly with temperature variations. A detailed viscosity conversion chart is provided, showing conversions between different measurement systems.
Solvent Characteristics
The document outlines factors affecting solvents, including boiling range, speed of evaporation, vapor pressure, KB value, and toxicity. These factors influence the solvent's performance in coating applications.
Fluid Filter Screen Selection
Proper filter screen selection is crucial in airless systems to prevent nozzle plugging. The document provides maximum filter screen sizes for various coating materials and flow rates.
Troubleshooting Film Faults
A troubleshooting guide addresses common film faults such as orange peel, sagging, dry spray, and others, with solutions involving adjustments in coating material, fluid pressure, and other parameters.
Airless Safety Precautions
Safety measures for using airless spray systems are emphasized, including avoiding direct contact with the spray gun and ensuring system depressurization before maintenance.
Conversion Factors
The document includes conversion factors for volume, flow, pressure, and length, facilitating the conversion between different units of measurement.
Screen Mesh-Inch-Micron Conversions
This section provides a conversion table for screen mesh sizes in inches and microns, detailing the equivalent measurements for various mesh sizes.
Reading The Nozzle Charts
The nominal size of a nozzle is determined by flow rate and pattern width. Flow rates are specified in gallons per minute at 500 PSI, with tolerances outlined for different nozzle types. The pattern width is measured at a 10-inch distance from the substrate, with actual test conditions varying based on application.
Equivalent Orifice Diameter
This is used for comparison purposes, indicating the diameter of a round hole with an area equal to the nozzle orifice.
Relative Film Build
A dimensionless number used to compare nozzles of different sizes, helping to select the appropriate nozzle for desired film thickness and pattern width.
Footnotes
Provides additional information on nozzle materials and types, such as Type I and Type II carbide, which offer different levels of abrasion and chemical resistance.
Nozzle Style and Tip Number
Describes the configuration and identification of nozzles, especially those too small for full part numbers.
Recommended Pre-atomization Device Part Number
Lists devices like T-plates and restrictors that optimize nozzle performance, with a selection chart provided for different flow rates.
Actual Spray Test Conditions
Details the conditions under which spray tests are conducted, including pattern width range, spray distance, and test fluids used.
Care, Cleaning, and Installation of Nozzles
Outlines proper care and cleaning procedures for nozzles and pre-atomization devices to ensure longevity and performance. Emphasizes the importance of using correct tools and avoiding damage to the nozzle orifice.
Nozzle Cleaning Tools and Procedures
Lists tools like nozzle brushes and broaches, and provides step-by-step cleaning instructions to maintain nozzle integrity.
Installation of Turbulence Plates and Restrictors
Provides guidelines for installing these components correctly to ensure proper nozzle function and avoid damage.
Filter Screen, Turbulence Plate and Restrictor Selection Chart
Offers a guide for selecting the appropriate components based on nozzle type and flow rate, ensuring optimal performance.
Commonly Used Gun/Nozzle Combinations
Lists various gun and nozzle combinations used in different applications, providing a reference for selecting the right equipment.
Overview
The document provides detailed technical specifications and guidelines for the use of Cross-Cut® Nozzles in airless electrostatic spray guns, specifically Nordson® Models C, CA, C-1, CA-1, and CA-10. It includes information on nozzle configurations, performance factors, and application recommendations.
Specifications- Nominal Size: Defined by flow rate and pattern width, with flow rates specified in gallons per minute at 500 PSI. Tolerances are ±5% for flow rates of 0.015 GPM or higher, and less than ±2% for close tolerance nozzles.
- Equivalent Orifice Diameter: Used for comparison, representing the diameter of a round hole with an area equal to the nozzle orifice.
- Relative Film Build: A dimensionless number for comparing nozzles with different nominal sizes, aiding in selecting the appropriate nozzle for desired film thickness and pattern width.
Materials- Type I Carbide: High-grade tungsten carbide for abrasion resistance, suitable for solvent-based and most waterborne applications.
- Type II Carbide: Offers greater chemical resistance for certain waterborne materials.
Nozzle Styles and Features- Customized nozzles available upon request.
- Wide range of flow rates and pattern widths.
- Superior performance with reduced orifice plugging and wider fan patterns.
Application and Testing- Used in manual and automatic airless electrostatic coating applications.
- Actual spray test conditions vary to simulate real application scenarios, with different test fluids and pressures.
Charts and Data- Detailed charts provide information on flow/pattern width, equivalent diameter, relative film build, and recommended pre-atomization devices.
- Footnotes offer additional details on nozzle characteristics and pattern distribution.
Section Overview
The document focuses on Flanged Cross-Cut Nozzles, detailing their applications, compatible equipment, features, and specifications.
Applications
These nozzles are designed for a wide range of coating applications, offering various flow rates and pattern widths. They are the most common style of nozzle used in the industry.
Compatible Equipment
The nozzles are compatible with Nordson® airless spray gun models such as A4B, A4A, A7A, A10A, A14A, Pipe Lance Gun, and A20A, as well as other manufacturers' automatic and manual airless guns.
Features- Customizable nozzles available upon request.
- Can be used with angle adapters and extensions for specialized applications.
- Controlled pattern distribution nozzles are available.
Performance
Flanged Cross-Cut Nozzles offer superior performance and wear characteristics, wider patterns compared to equivalent flow rate dome nozzles, and reduced orifice plugging.
Specifications
The document includes detailed tables listing various nozzle specifications such as flow/pattern width, equivalent diameter, relative film build, and pattern distribution. Key footnotes explain adapter types, carbide types, and pattern distribution percentages.
Pattern Distribution
The document categorizes pattern distribution into several types, such as A (90%-10%), B (80%-20%), C (70%-30%), D (60%-40%), and custom patterns (X).
Footnotes
The document provides footnotes explaining abbreviations used in the tables, such as S for Short Adapter, T for Tall Adapter, Ct for Close tolerance flow, and various carbide types.
Overview
This document provides detailed specifications and applications for various types of Cross-Cut Nozzles manufactured by Nordson Corporation. These nozzles are primarily used for coating applications in confined spaces or where multiple nozzles are required.
Specifications
The document lists numerous nozzle types with specific attributes such as reference size, flow/pattern width, equivalent diameter, relative film build, and pattern distribution. Each nozzle type is associated with specific footnotes indicating material type and special features like close tolerance flow or dual orifice design.
Pattern Distribution
The nozzles are categorized based on pattern distribution, which includes options like 90%-10%, 80%-20%, 70%-30%, and 60%-40%. Custom patterns are also available upon request.
Applications
The nozzles are used for inside coating of containers, tubes, channels, or cylinders. They are adaptable to various guns using flanged nozzles and can be customized for specific applications. The document highlights the superior performance, wear characteristics, and reduced orifice plugging of these nozzles.
Features
Key features include availability in standard and close tolerance orifice sizes, 360° fan orientation rotation, and the ability to produce specialized sizes upon request. The nozzles offer wider fan patterns compared to equivalent flow rate dome nozzles.
Sections
The document is divided into sections detailing different nozzle types such as Miniature Insert Cross-Cut Nozzles and Tube Lining Cross-Cut Nozzles, each with specific applications and features.
Data Tables
Extensive tables provide detailed specifications for each nozzle type, including part numbers, flow rates, and pattern test part numbers, allowing for precise selection based on application needs.
Overview
The document provides detailed specifications and applications for various types of Cross-Cut® nozzles used in airless spray guns, particularly those manufactured by Nordson Corporation. It includes information on nozzle types, flow rates, pattern widths, and specific applications.
Sections
- Specifications: The document lists numerous nozzle specifications, including reference size, flow/pattern width, equivalent diameter, relative film build, and footnotes. These specifications are crucial for selecting the appropriate nozzle for specific applications.
- Applications: The nozzles are used for a variety of manual and automatic airless coating applications. Specific sections detail the use of Kinetix and Prism Cross-Cut Nozzles, Tapered Close Tolerance Cross-Cut Nozzles, and CleanSpray Cross-Cut Nozzles.
- Features: Key features of the nozzles include superior performance, wear characteristics, wider fan patterns, and reduced orifice plugging. Customized nozzles can be produced upon request.
- Footnotes and Pattern Distribution: The document includes footnotes explaining terms like 'Close tolerance flow' and 'Type 1 Carbide.' It also describes pattern distribution options (e.g., A = 90% - 10%).
- Technical Data: The document provides technical data on flow rates, pattern widths, and equivalent orifice diameters. It explains how these factors influence nozzle performance and selection.
- Material and Construction: The nozzles are made from high-grade tungsten carbide, with Type I and Type II carbide options available depending on the application requirements.
Key Takeaways: The document is a comprehensive guide for selecting and using Nordson's Cross-Cut® nozzles, emphasizing the importance of matching nozzle specifications to application needs to ensure optimal performance and durability.
Nozzle Specifications and ApplicationsNozzle Angle: The orientation of the nozzle orifice is specified in degrees relative to the adapter axis for tube and can lining nozzles.
Recommended Pre-atomization Device: Devices such as T-plates or restrictors are recommended for optimal performance. Different devices may be necessary for specific applications. Refer to the selection chart on page A37 for details.
Actual Spray Test Conditions:- Pattern Width Range: Maximum and minimum pattern widths are provided based on actual spray tests.
- Spray Distance: The test distance from the nozzle to the substrate varies to mimic real application conditions.
General Finishing Tests:- 1 inch or less spray distance: Solvent-based side seam stripe coating at 150 PSI.
- 10 inches spray distance: Solvent-based white bake enamel at 500 PSI.
Container Tests:- 1 inch or less spray distance: Solvent-based side seam stripe coating at 150 PSI.
- 3 inches spray distance: Waterborne inside spray coating at 800 PSI.
Nozzle Part Number: Use the specified part number to order a nozzle.
Dome Nozzles C1:- Used in manual and automatic airless electrostatic coating applications.
- Compatible with Nordson® Models C and CA airless electrostatic spray guns.
- Custom nozzles available upon request.
- Wide range of flow rates and pattern widths.
Pattern Distribution: Various distribution patterns are available, including custom options.
Flow and Pattern Width: Detailed specifications are provided for each nozzle type, including equivalent diameter, relative film build, and test part numbers.
Kinetix and Prism Dome Nozzles:- Used for a variety of manual and automatic airless coating applications.
- Compatible with Kinetix Electrostatic and Prism non-electrostatic guns.
- Custom nozzles available upon request.
Flanged Dome Nozzles:- General use in manual and automatic airless coating applications.
- Compatible with various Nordson® airless spray guns and other manufacturers.
- Custom nozzles available upon request.
- Standard flow rate tolerance of ± 5%.
Overview
This document provides detailed specifications and features of various types of dome nozzles manufactured by Nordson Corporation. These nozzles are used in different applications, including container inside spray coatings and the CleanSpray system.
Guns and Adapters
The nozzles can be adapted to any gun using a flanged nozzle. Special adapters can be custom-made by Nordson or by the customer using provided drawings.
Features
Nozzles are available in standard and specialized orifice sizes. They offer controlled pattern nozzles for non-symmetrical film builds, and their small size allows use in limited spaces. The fan pattern orientation can be rotated 360°.
Pattern Distribution
The document lists pattern distributions (A, B, C, D, X) and provides specifications for each, including flow rates, pattern widths, and equivalent diameters.
Types of Nozzles- Miniature Insert Dome Nozzles: These are used for unique applications requiring small sizes and special adapters.
- Container Close Tolerance Tapered Dome Nozzles: Primarily used for container inside spray coatings, offering superior performance and reduced orifice plugging.
- CleanSpray Dome Nozzles: Designed for use with the CleanSpray system, providing cleaning functions and superior performance.
- A7AA Air-Assisted Airless Dome Nozzles: Used for spraying highly viscous coatings with air-assisted airless guns.
Technical Specifications
The document includes detailed charts with specifications such as flow rates, pattern widths, equivalent diameters, and relative film builds. It also explains the significance of these parameters in selecting the appropriate nozzle for specific applications.
Materials
Nozzles are made from Type I and Type II carbide, offering different levels of abrasion and chemical resistance.
Conclusion
The document serves as a comprehensive guide for selecting and using Nordson dome nozzles, providing detailed technical data and customization options to meet various application needs.
Overview
This document provides detailed technical specifications and guidelines for selecting and using various types of nozzles and accessories manufactured by Nordson Corporation. It includes information on pre-atomization devices, spray test conditions, nozzle types, and accessories.
Pre-atomization Devices
Recommended devices include T-plates and restrictors, which optimize nozzle performance. Selection depends on specific application needs, and a chart is available for reference.
Spray Test Conditions
The document outlines test conditions for pattern width range and spray distance. Tests are conducted with different fluids and pressures to simulate actual application conditions. For example, solvent-based coatings are tested at 150 PSI for short distances and 500 PSI for longer distances.
Nozzle Specifications
The document details various nozzle types, including flanged and miniature conical nozzles, with specifications such as flow rate, pattern width, and equivalent diameter. It also provides part numbers for ordering.
Material and Design
Nozzles are made from Type I and Type II carbide, offering abrasion and chemical resistance. The document explains the significance of nominal size, flow rate, and pattern width in nozzle selection.
CO Plates
Used in conjunction with specific gun models, CO plates help monitor pressure drops in fluid passages. The document lists compatible gun models and provides part numbers for different CO plate types.
Accessories
A range of accessories is available, including unvalved extensions, nozzle adapters, and cleaning tools. The document provides part numbers and descriptions for each accessory type.
Overview
This document from Nordson Corporation provides detailed specifications and descriptions of various nozzle extensions, adapters, and accessories used in airless spray systems. It includes part numbers, descriptions, and usage instructions for different components.
1. Nozzle ExtensionsThe document lists unvalved miniature conical nozzle extensions with varying lengths from 2 inches (51 mm) to 30 inches (762 mm). These extensions are used to modify the reach and application of
spray nozzles.
2. Nozzle Adapters
Several adapters are described, including flange mount nozzle adapters and angle adapters for insert nozzles. These adapters allow for the connection of nozzles to different spray guns and facilitate spraying at various angles.
3. Swivel Heads
Swivel heads are used with flange mount nozzles to allow spraying at different angles. They come with detents to maintain the set angle during operation.
4. Nozzle Locator Kit
This kit is designed for the A7A airless spray gun to ensure proper alignment of controlled pattern flanged dome nozzles. It includes an alignment adapter, clamp, and ball and seat assembly.
5. Cleaning Tools and Procedures
The document outlines tools such as nozzle brushes, broaches, and probes for cleaning nozzles. It provides detailed cleaning procedures to maintain nozzle performance and prevent clogging.
6. Miscellaneous Accessories
Additional accessories include nozzle boxes for organization, retaining nuts for securing nozzles, and nozzle disk filters to prevent plugging.
7. Nozzle Tester
The Nordson Airless Nozzle Tester is used to measure the flow rate of nozzles, helping to determine wear and establish replacement schedules.
8. Electrostatic Guns and Nozzles
The document also covers various electrostatic guns and nozzles, including specifications for shrouds and electrodes, and notes on pre-atomization devices.
Document Overview
This document is a part number index from Nordson Corporation, dated December 2003. It lists various part numbers along with their flow rates, fan patterns, and corresponding page numbers for reference.
Main Sections
- Part Number Index: The document provides a comprehensive list of part numbers, each associated with specific flow rates and fan patterns. The list is organized in a tabular format, allowing users to easily locate the part number and its specifications.
- Pattern Distribution: This section explains the distribution patterns associated with the parts. The patterns are categorized as follows: A (90% - 10%), B (80% - 20%), C (70% - 30%), D (60% - 40%), and X (Custom Pattern, specifications available upon request).
Key Information
- Flow Rate/Fan Pattern: Each part number is linked to a specific flow rate and fan pattern, which are crucial for determining the part's application and performance.
- Page References: The document includes page numbers where more detailed information about each part can be found, facilitating quick access to additional specifications.
- Custom Patterns: Parts with a custom pattern (denoted by 'X') require contacting the company for detailed specifications, indicating specialized or non-standard configurations.
Conclusion
This index serves as a vital resource for identifying and selecting Nordson parts based on specific flow and pattern requirements. It is particularly useful for engineers and procurement specialists in the manufacturing sector.