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Graphite Ring

• Density: 1.4-1.7g/cm³
• Raw Material: Graphite paper
• ID: φ3~1000mm
• OD: φ6~1100mm
• Working temperature: -220~+550°C (+650°C – steam)
• Function: Thermal insulation & Seal

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Product Introduction

Graphite packing ring is a common sealing material, usually used for static sealing or low-speed rotating equipment. It is woven from graphite fiber and has good high temperature resistance and chemical stability. Graphite packing rings have good sealing properties, prevent liquid or gas leakage, and are suitable for a variety of media, including acids, alkalis, solvents, and steam. It is often used in the sealing parts of valves, pumps, pressure vessels and other equipment to ensure the normal operation of the equipment and prevent leakage.

Feature:

  • High temperature resistance: Withstanding elevated temperatures for reliable sealing.
  • Chemical stability: Resisting corrosion from acids, alkalis, and solvents.
  • Low friction: Minimizing wear on sealing surfaces.
  • Effective sealing: Preventing leakage of liquids and gases.
  • Versatility: Suitable for diverse industrial applications.

Application:

  • Valves and pumps: Sealing valve stems and pump shafts.
  • Compressors and agitators: Sealing shafts in compressors and mixing equipment.
  • Rotating machinery: Used in turbines, mixers, and rotary kilns.
  • Static connections: Sealing flanges and joints in pipelines.
  • Automotive and marine: Engine seals and shaft sealing in ships.
  • Petrochemical and power generation: Sealing process equipment in refineries and power plants.

Technical Data:

Pressure ≤25MPa
Temperature -200~550℃ (2800℃ in non-oxidizing environment)
Linear velocity 2-10m/s
PH value 0-14
Density 1.4~1.7g/cm3

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