B800 seal
B800 seal

Features

  • Oil-lubricated
  • Double seal
  • Balanced
  • Bi-directional
  • Stationary bellows (process side)
  • Multiple springs (bearing side)
  • Shrink-fit seat
  • Double-pressure balanced

Advantages

  • Suitable for high sliding velocities
  • Seal does not open if oil pressure drops
  • Rugged seat with bandage ensures
  • reliable operation
  • Compact design with few sealing
  • components

Operating range

  • Shaft diameter: d = … 220 mm (8.66″)
  • Pressure: (p2-p1) = … 5 bar (73 PSI)
  • Sliding velocity: vg = 90 m/s (295 ft/s)

Materials

  • Bellows: AM350, Inconel® 718,
  • Hastelloy®-C
  • Seal face: Special SiC, high-density
  • carbon graphite
  • Seat: Silicon carbide
  • Secondary seals: FKM (bearing side)
  • Metal parts: 1.4301, Carpenter® 42,
  • Inconel® 718, Hastelloy®-C
ItemDescription
1.1Seat
1.2, 2.3, 3.2Retainer
2.2, 3.1Seal face
2.4Bellows
2.5Adapter
4O-ring
5Spring
2.6, 6Housing
2.7Damper
7Retaining ring
8Sleeve
9Spacer
  
AOil IN
BOil OUT
CDrain

Recommended applications

  • Oil and gas industry
  • Refining technology
  • Petrochemical industry