Silicon Nitride Nozzle Si₃N₄ Ceramic Spray Nozzle

Silicon Nitride Nozzle is a high-performance ceramic nozzle manufactured from advanced silicon nitride (Si₃N₄) material. It features high density, excellent hardness, superior mechanical strength, and outstanding thermal stability, making it suitable for demanding industrial environments. With a density of 3.22-3.35 g/cm³, Vickers hardness of HV10 ≥1500, and flexural strength of 600-800 MPa, the Si₃N₄ ceramic nozzle provides excellent wear resistance, corrosion resistance, and long service life. It is widely used in spray equipment, grinding systems, high-temperature melting equipment, and corrosive media handling systems.

Technical Specifications

Item	Specification
Product Name	Silicon Nitride Nozzle
Material	Silicon Nitride (Si₃N₄)
Density	3.22-3.35 g/cm³
Vickers Hardness	HV10 ≥1500
Flexural Strength	600-800 MPa
Compressive Strength	≥2500 MPa
Elastic Modulus	290 GPa
Thermal Expansion Coefficient	3.1 × 10⁻⁶/℃
Thermal Conductivity	15-20 W/(m·K)
Maximum Operating Temperature	1200°C-1400°C
Chemical Resistance	Excellent resistance to corrosion and oxidation
Machining Accuracy	Available for precision customization

Product Advantages

1. Excellent Wear Resistance
Silicon Nitride Nozzle has extremely high hardness with HV10 ≥1500, providing excellent resistance against abrasion and mechanical wear. It maintains stable performance during continuous spraying and material processing operations. This helps reduce replacement frequency and improve equipment efficiency.

2. High Strength and Impact Resistance
With a flexural strength of 600-800 MPa, the ceramic nozzle provides excellent mechanical strength and structural stability. It can withstand pressure changes and mechanical stress during operation. The high-strength Si₃N₄ material helps prevent cracking and deformation.

3. Outstanding High Temperature Performance
Silicon Nitride Nozzle can operate at temperatures up to 1200°C-1400°C while maintaining excellent mechanical properties. It has good thermal shock resistance and dimensional stability under rapid temperature changes. This makes it suitable for high-temperature industrial equipment.

4. Superior Corrosion Resistance
Si₃N₄ ceramic has excellent resistance to oxidation and corrosive media. The nozzle can maintain reliable performance when exposed to harsh chemical environments. It is suitable for equipment involving chemical spraying and corrosive material handling.

5. Stable Fluid Flow Performance
The ceramic nozzle provides precise internal structure and excellent surface durability, ensuring stable spray performance. It helps produce uniform liquid or material flow during operation. This improves processing consistency and equipment reliability.

6. Precision Customization Capability
Silicon Nitride Nozzles can be customized in different sizes, shapes, and opening designs according to equipment requirements. Precision machining ensures accurate installation and stable operation. Customized solutions can meet various industrial application needs.

Typical Applications

1. Spray Equipment
Silicon Nitride Nozzles are used in spray systems to generate stable liquid or material flow. Their high wear resistance ensures consistent nozzle performance during long-term operation. They are suitable for industrial spraying processes requiring precision and durability.

2. Grinding Wheel Equipment
Si₃N₄ ceramic nozzles are used as important components in grinding equipment due to their excellent hardness and wear resistance. They can withstand continuous abrasive environments and mechanical impact. This helps improve equipment service life and processing stability.

3. High Temperature Melting Equipment
Silicon Nitride Nozzles are applied in high-temperature melting systems because of their excellent thermal stability and heat resistance. They maintain structural integrity under extreme temperature conditions. They are suitable for applications requiring reliable performance in molten material environments.

4. Corrosive Media Transport and Spraying Equipment
The ceramic nozzle is used for transporting and spraying corrosive liquids or chemical media. Its excellent corrosion resistance prevents rapid degradation during operation. It provides a durable solution for harsh chemical processing environments.

5. Industrial Processing Systems
Silicon Nitride Nozzles are used in various industrial systems requiring wear resistance, temperature resistance, and precise flow control. Their stable mechanical properties ensure reliable operation. They are suitable for demanding applications involving high-temperature and abrasive conditions.

Company Profile

Luoyang JianXun Tech Co., Ltd. specializes in the research, development, production, and supply of advanced ceramic materials and high-performance industrial components. The company provides silicon nitride ceramics, aluminum nitride ceramics, boron nitride products, alumina ceramics, and customized ceramic parts for global industrial applications. With professional manufacturing technology and strict quality control, JianXun delivers reliable ceramic solutions featuring high temperature resistance, wear resistance, corrosion resistance, and precision machining capability.

Payment Terms: T/T, PayPal, Credit Card, Western Union, etc.

Shipment Terms: By air, by sea, by express, or according to customer request.

Storage Conditions: Store Silicon Nitride Nozzles in a dry, clean, and dust-free environment. Keep the products properly packaged to avoid moisture, contamination, impact, or surface damage before installation.

FAQ about Silicon Nitride Nozzle

Q1: What is Silicon Nitride Nozzle used for?
Silicon Nitride Nozzle is mainly used in spray equipment, grinding wheel systems, high-temperature melting equipment, and corrosive media handling systems. It provides stable flow control and reliable performance under harsh operating conditions.

Q2: Why is silicon nitride ceramic suitable for nozzle applications?
Silicon nitride ceramic has high hardness, excellent wear resistance, strong mechanical strength, and good thermal stability. These properties allow the nozzle to maintain long service life in abrasive, high-temperature, and corrosive environments.

Q3: What is the maximum operating temperature of Silicon Nitride Nozzle?
The maximum operating temperature of Silicon Nitride Nozzle can reach 1200°C-1400°C depending on the working environment and application conditions. It maintains good structural stability under high-temperature conditions.

Q4: Can Silicon Nitride Nozzles be customized?
Yes, JianXun can provide customized silicon nitride nozzles with different dimensions, shapes, hole sizes, and surface finishes according to customer equipment requirements.

Q5: What are the advantages of silicon nitride nozzles compared with traditional metal nozzles?
Silicon nitride nozzles provide better wear resistance, higher temperature resistance, and stronger corrosion resistance compared with many traditional metal nozzles. They can reduce maintenance requirements and improve equipment operating reliability.