Low Temperature Butterfly Valve Packing, Graphite, 160*180mm

Product Name: Low Temperature Butterfly Valve Packing Set (-160°C), Low Emission
Inner Diameter (ID): 160 mm
Outer Diameter (OD): 180 mm
Number of Packing Rings: 6 Rings
Material Properties:
Graphite Purity: ≥99%
Metal Wire Content: 20% (Inconel 600 or Inconel 625)
Sulfur Content: ≤50 PPM
Chlorine Content: ≤20 PPM
Speed: 2 m/s
pH Value: 0 to 14
Pressure: 25 MPa
Certifications: TA-Luft, ISO 15848, API 589 (Fire Safe)
Temperature Range:
-200°C to +400°C (for most media)
-200°C to +550°C (for steam)
Media: solvents, hydrocarbons, acids, alkalis, steam, alcohol, oil

Product Features

Designed to prevent stem binding in pneumatic control valves that can be caused by the overloading of gland bolts.
Equipped with a buffering function that effectively absorbs impact forces generated during stem movement, enhancing valve operation stability.