IPX9 Spray Nozzles | IEC 60529 Figure 7 Fan Jet Nozzles

IPX9 Spray Nozzles | IEC 60529 Figure 7 Fan Jet Nozzles

The IPX9 Spray Nozzles are precision fan jet nozzles used for high-pressure water jet testing to evaluate the ingress protection of enclosures and components. They are manufactured to meet the dimensional and performance requirements specified in IEC 60529 Figure 7.

These nozzles generate the required fan jet spray pattern for IPX9 testing and support stable water output when integrated with a properly configured high-pressure water supply system. Similar fan jet nozzle configurations may also be used in IPX9K testing according to ISO 20653, depending on the chamber design and test configuration.

Technical Parameters

Figure 7 – Fan jet nozzle dimensions

Figure 8 – Fan jet nozzle resulting dimensions of spraying hole for checking purpose

Figure 9 – Example of different quality achievements of the surface finish of the fan jet nozzle

• Bad surface finish
• 
• Good surface finish
• 

The IPX9 Spray Nozzles are manufactured from high-quality stainless steel with precision-machined orifices to produce the required fan jet spray pattern as defined in IEC 60529 Figure 7. The design ensures consistent spray characteristics when used with a properly configured high-pressure water supply system.

These nozzles are suitable for both new IPX9 test systems and as replacement components in existing rain test chambers. Each nozzle undergoes inspection to support repeatable performance and long-term reliability.

Design drawings of Kingpo

Testing Principle

IPX9 testing evaluates whether an enclosure can resist high-pressure, high-temperature water jets. The fan jet nozzle defined in IEC 60529 Figure 7 is the critical component that generates the specified spray pattern and stable water output required by the test method.

During testing, water is sprayed from defined angles (0°, 30°, 60°, 90°) while the specimen is positioned on a rotating turntable. The nozzle must maintain stable spray geometry and output to ensure accurate and repeatable ingress protection evaluation.

Common Error Mitigation

To achieve accurate and repeatable results during IPX9 testing, the following practices are recommended:

• Use nozzles that comply with the dimensional requirements of IEC 60529 Figure 7.
• Maintain correct water temperature, pressure, and flow rate throughout the test when using a compatible system.
• Ensure proper nozzle-to-sample distance and alignment at each test angle.
• Verify that turntable speed and test duration meet standard requirements.
• Regularly inspect nozzles for wear, clogging, or damage.
• Record all critical test parameters for traceability and compliance documentation.

Primary Use Cases & Business Value

The IPX9 Spray Nozzles provide a reliable solution for performing standardized high-pressure water jet testing according to IEC 60529. They help manufacturers and testing laboratories verify product ingress protection levels and serve as replacement components for worn nozzles in existing test systems.

Industrial Applications & Lab Scenarios

• Automotive component manufacturers — High-pressure water jet testing for parts exposed to cleaning processes
• Electrical enclosure manufacturers — IPX9 compliance verification
• Testing laboratories — IPX9 high-pressure water jet testing services
• Certification bodies — Product evaluation for ingress protection ratings
• Industrial equipment manufacturers — Validation of wash-down resistant designs
• 

Strategic Procurement Advantages & Global Support

• Designed according to IEC 60529 Figure 7 for IPX9 high-pressure water jet testing
• Suitable for both new test systems and replacement of worn nozzles
• Stainless steel construction for durability under demanding conditions
• Technical support available for nozzle selection and test configuration
• Documentation available to support laboratory traceability requirements