Valve Body Material: Commonly used materials include 304 or 316 stainless steel, which offer excellent corrosion resistance and durability.
Sealing Materials: Sealing components typically use rubber, polyurethane, or PTFE, which provide good elasticity and chemical resistance.
2. Assembly Precision
Tolerance Control: The manufacturing tolerances of valve components need to be strictly controlled to ensure fitting precision and minimize gaps.
Assembly Process: During assembly, it is essential to ensure that sealing components are not damaged and that they are installed correctly to avoid leaks due to improper assembly.
3. Operating Pressure
Design Pressure: The valve should be designed according to the maximum working pressure of the system to ensure it maintains gas tightness under high pressure.
Testing Pressure: Regular gas tightness testing should be conducted to evaluate the valve's performance at rated pressure.
4. Regular Maintenance
Inspecting Seals: Regularly check O-rings and other sealing components for wear, replacing any aging or damaged parts promptly.
Cleaning the Valve: Keep the interior of the valve clean to prevent dust and debris from affecting the sealing performance.
5. Testing Methods
Gas Tightness Testing: Use gas tightness testing equipment to check the valve's leak rate under different pressures, ensuring it meets standards.
Visual Inspection: Regularly inspect the valve's exterior for signs of gas leakage.