The China Die-formed Valve Packing Rings are made from low-sulphur expanded/flexible graphite, offering high performance and customization in size. With a pressure tolerance of up to 80 MPa and a density range of 1.2-1.55 g/cm3, these packing rings are designed to ensure reliable sealing under extreme conditions. Ideal for industries requiring precision and durability, they provide an effective solution for high-pressure valve applications.
Product Name: Die-formed Valve Packing Ring
Materials: Low-sulphur Expanded/Flexible Graphite
Size: Customized
Pressure: 80 MPa
pH: 0–14
Density: 1.2-1.55 g/cm3
Temperature Range: –220°C to 555°C
Certificates: TA-Luft, ISO 15848-1, API 589
Applications:
Withstands extreme fluctuations in temperature and pressure.
Ideal for valve and static sealing in nearly all applications.
Can be used alone or in combination with other packing rings.
Key Features of Die-Formed Packing Rings
Material: Made from low-sulphur expanded graphite with no fillers or binders.
Production: Compressed in precision molds to achieve accurate density and shape.
Corrosion Resistance: High material purity eliminates the need for special protection.
Profiles: Available in square, V-shaped, and wedge-shaped sections.