Serrated Metal Gasket/Yield Strength/Chemical Resistance/Hydraulic System Gasket

Product Description

 

Product Description

High - End Precision Valve Plate Product Introduction

 

Product Overview
Our company's high - end precision valve plates are core components designed for harsh industrial environments and precision mechanical systems. Leveraging advanced materials and manufacturing processes, these products ensure superior performance under high pressure, high speed, high temperature, and corrosive media. They are widely applied in automotive engines, hydraulic systems, aerospace, medical devices, and industrial equipment.

 

Core Advantages

 

1. High Strength & Reliability
   • Constructed from premium materials such as spring steel (e.g., 50CrVA), stainless steel (e.g., 304/316L), or titanium alloy, and optimized through heat treatment, these valve plates achieve tensile strength exceeding 1,500 MPa. This ensures resistance to deformation and fatigue fracture under high pressure (e.g., engine combustion chamber pressure) and high - frequency .
   • Finite Element Analysis (FEA) is employed to optimize structural design, enhancing impact and compression resistance for extreme operating conditions.
2. Precision Dimensions & Geometric Tolerance
   • Utilizing CNC precision machining, dimensional accuracy is controlled within ±0.005 mm, with flatness ≤0.002 mm, ensuring tight with valve seats and bodies for zero - leakage sealing.
   • Surface roughness is maintained at Ra≤0.4 μm to minimize friction loss and improve motion flexibility.
3. Exceptional Wear Resistance
   • Surface treatments like nitriding, PVD coatings (e.g., TiN, CrN), or laser quenching achieve hardness up to HV1,200, significantly extending service life and reducing maintenance costs.
   • Ideal for high - speed friction scenarios (e.g., engine valve actuation), wear resistance is 3x better than traditional materials.
4. Corrosion Resistance
   • Stainless steel variants resist acid, alkali, salt, and corrosive gas erosion, suitable for chemical and marine engineering environments.
   • Optional nickel/chrome plating or PTFE coatings further enhance corrosion resistance in severe conditions.
5. Superior Mechanical Properties
   • High elastic modulus (>200 GPa) and low Poisson's ratio ensure stable form under high - frequency vibration.
   • Fatigue life exceeds 10 cycles, meeting long - term high - load requirements.

 

Technical Parameters

 

Item	Specification
Material	Spring Steel/Stainless Steel/Titanium Alloy
Hardness	HRC 45 - 55 (Spring Steel)
Tensile Strength	≥1,500 MPa
Dimensional Accuracy	±0.005 mm
Surface Roughness	Ra≤0.4 μm
Operating Temperature	-50ºC ~ 600ºC

 

Applications

 

• Automotive engine intake/exhaust systems
• Hydraulic and pneumatic control systems
• Aerospace fuel injection systems
• Medical device precision valves
• Industrial equipment high - pressure seals

 

Manufacturing Process
Raw material inspection → Precision stamping/CNC machining → Heat treatment → Surface treatment → Coordinate Measuring Machine (CMM) inspection → Air tightness testing → Laser marking

 

Quality Assurance
Certified to ISO 9001 and IATF 16949, products undergo 100% full inspection to ensure batch consistency. Custom designs are supported, with material certifications and third - party test reports available.

 

Contact Us
Tianjin Chenhui International Trade Co.,Ltd  strives to be a global leader in high - end precision valve plate solutions, delivering efficient and reliable products and technical services.

 

Note: For further technical details or customized solutions, contact our engineering team.

Detailed Photos

Product Parameters

High - end Precision Valve Plate Product Parameter Table

 

Item	Parameter
Material	- Spring steel: 50CrVA, 60Si2Mn - Stainless steel: 304, 316L - Titanium alloy: TC4
Hardness	- Spring steel: HRC 45 - 55 - Stainless steel: HV 200 - 300
Tensile strength	- Spring steel: ≥1,500 MPa - Stainless steel: ≥500 MPa
Yield strength	- Spring steel: ≥1,300 MPa - Stainless steel: ≥205 MPa
Elongation	- Spring steel: ≥6% - Stainless steel: ≥40%
Elastic modulus	- Spring steel: Approximately 210 GPa - Stainless steel: Approximately 193 GPa
Dimensional accuracy	- Thickness: ±0.005 mm - Diameter/side length: ±0.01 mm
Geometric tolerance	- Flatness: ≤0.002 mm - Parallelism: ≤0.005 mm
Surface roughness	Ra ≤ 0.4 μm
Surface treatment	- Nitriding (Hardness HV 900 - 1,200) - PVD coating (TiN, CrN, thickness 1 - 3 μm) - Nickel/chrome plating (Thickness 5 - 15 μm) - Laser quenching
Sealing performance	- Leakage rate: ≤1×10 mbar·L/s (Helium mass spectrometry detection) - Pressure resistance: ≥30 MPa (Static)
Fatigue life	≥1×10 cycles (Sinusoidal wave load, stress ratio R = 0.1)
Operating temperature range	-50°C ~ 600°C (Adjusted according to different materials)
Applicable medium	- Gas: Compressed air, nitrogen, hydrogen, etc. - Liquid: Hydraulic oil, fuel, water, etc. - Corrosive medium: Acid, alkali, salt solutions (Custom anti - corrosion coating required)
Applicable pressure range	0 ~ 100 MPa (Adjusted according to structural design)
Standard certification	- ISO 9001, IATF 16949 - Materials comply with standards such as ASTM A231/A232, EN 10270 - 1

Table Notes:

 

1. Material selection: Spring steel (high hardness), stainless steel (corrosion - resistant), or titanium alloy (lightweight) can be selected according to the working conditions.
2. Surface treatment: Provide diverse protection solutions for different environments (e.g., nitriding to improve wear resistance, PVD coating to enhance corrosion resistance).
3. Sealing performance: Strictly tested by helium mass spectrometry leak detector to ensure high sealing performance.
4. Fatigue life: The data is based on accelerated life tests, and the actual life is affected by working conditions.
5. Customization: Non - standard sizes, special coatings, and performance parameter adjustments are supported.

 

Please contact our company's technical support team for detailed technical documents or test reports.

Certifications

 

Company Profile

After Sales Service

FAQ

Basic Product Information

 

Q: In which fields are the high - end precision valve plates you produce mainly applied?
A: Our high - end precision valve plates have a wide range of applications. In the automotive industry, they are used in the intake and exhaust systems of engines to precisely control the intake and exhaust of gases. In the aerospace field, they are suitable for the hydraulic systems and fuel injection systems of aircraft to ensure the stable operation of the systems. In the medical device sector, they can be used in some high - precision valve controls to guarantee the accurate operation of the equipment. Meanwhile, in various industrial automation equipment, our valve plates are also widely used to achieve precise fluid control.

Material Selection

 

Q: How do you select materials when manufacturing high - end precision valve plates?
A: Material selection is of crucial importance. We choose materials according to the specific usage scenarios and performance requirements of the valve plates. For applications that need to withstand high pressure and frequent impacts, we select high - strength spring steel, such as 50CrVA, which has good elasticity and fatigue resistance. In environments with corrosion - resistance requirements, stainless steel is a good choice. For example, 304 and 316L stainless steels can effectively resist the erosion of acids, alkalis, salts and other media. For aerospace applications with strict weight requirements, we use titanium alloys, such as TC4, which have high strength and low density.

Production Process

 

Q: Could you introduce the production process of high - end precision valve plates?
A: We adopt advanced and strict production processes. First, we conduct raw material inspections to ensure that each batch of materials meets the quality standards. Then, we perform precision stamping or CNC machining. Using high - precision equipment, we process the materials into the basic shape of the valve plates, ensuring that the dimensional accuracy is controlled within a very small range. Next, we carry out heat treatment. Through specific heating and cooling processes, we improve the hardness and strength of the valve plates and enhance their mechanical properties. After that, we perform surface treatment, such as nitriding, PVD coating, or nickel/chrome plating, to enhance the wear resistance and corrosion resistance of the valve plates. In the production process, there are strict quality inspections at each stage. Finally, we use a Coordinate Measuring Machine (CMM) to ensure the dimensional accuracy of the valve plates and conduct air - tightness tests to guarantee their sealing performance.

Quality Control

 

Q: How do you ensure the quality of high - end precision valve plates?
A: We have established a comprehensive quality control system. Starting from raw material procurement, we strictly screen and evaluate suppliers and require them to provide detailed material quality certification documents. During the production process, we set up quality control points for each process and use advanced testing equipment and technologies for real - time monitoring. For example, we use optical microscopes and electron microscopes to check the microstructure and surface defects of the valve plates, and use hardness testers, tensile testing machines, etc., to detect the mechanical properties of the valve plates. Moreover, we have obtained international quality certifications such as ISO 9001 and IATF 16949. All products undergo 100% full inspection to ensure that each valve plate meets high - quality standards.

Customized Services

 

Q: Do you provide customized production services for high - end precision valve plates?
A: Certainly. We are well aware that different customers have different needs, so we offer comprehensive customized services. Our professional R & D team will communicate in - depth with customers to understand their specific usage scenarios, performance requirements, dimensional specifications, etc. Based on this information, we can adjust the material formula and optimize the production process to customize valve plate products that meet their special needs. Whether it is a special shape, unique performance requirements, or special regulations for surface treatment, we have the ability to meet them. In addition, we will provide customers with detailed technical solutions and samples to ensure that customers are satisfied with the products.