Gland packing - Flexible graphite and carbon fiber corners | Karbopak XR 640

Karbopak XR 640 Gland Packing

The XR 640 packing is made of expanded graphite and high modulus carbon fiber C98 with the addition of corrosion inhibitors and light PTFE impregnation, which guarantees tightness at lower gland pressure. Its braid is made in the form of reinforced corners, which significantly affects the mechanical strength of the seal, while maintaining excellent sliding properties of graphite.  

Technical properties

• Material: Expanded graphite and carbon fiber C98 with PTFE
• Temperature range: -200°C to 600°C
• Pressure resistance:
  Pumps: max. 30 bar
  Valves: max. 200 bar
  Rotary applications: max. 300 bar
• pH range: 1 – 14 pH
• Speed:
  Pumps: 30 m/s
  Valves: 3 m/s
  Rotary applications: 2 m/s
• Maximum load (pV): max. pV ~ 500 bar·m/s
• Average density: ~1.15 g/cc
• Min. shaft/bush hardness: ~40 HRC
• Available in square profiles from S6 to S30 mm (with a tolerance of -5/+10%)
  
  

DOCUMENTEN & DOWNLOADS

Technical datasheet: Datasheet document
Installation instructions: Installation instructions document