BXCS-B12(H75A4-C)

Type: Double Cartridge Seal
Replacement: Burgmann H75A4-C
Temperature: -40 °C … +176 °C
Pressure: 42 bar
Speed:
≤10m/s
Material: Q1,Q2,U2,T,V,M1,F,G,M

Features

  • API 682 Category 2 and 3, Type A, Arrangement 2 seal
  • Dual seal in face-to-back arrangement
  • Non-contact outer seal (containment seal)
  • Balanced
  • Cartridge unit
  • Rotating multiple springs

Advantages

  • Universally applicable both for retrofits or original equipment
  • Efficient stock keeping due to standardized components
  • Extended selection of materials
  • Metal parts also in special materials available
  • Safe operation due to metal torque transmission at the rotating carbon seal rings

Operating range

Shaft diameter:
d1 = 20 … 110 mm (0,79″ … 4,33″)
Pressure: p1 … 42 bar (609 PSI)
Temperature:
t = -40 °C … +176 °C (-40 °F … +350 °F)
Sliding velocity: vg = 23 m/s (76 ft/s)
Axial movement: ±1.0 mm

Materials

Seal rings: Blister resistant carbon,
Silicon carbide SSiC (Q1), RBSiC (Q2)
Mating rings:
Silicon carbide SSiC (Q1), RBSiC (Q2)
Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: Hastelloy® C-276 (M5)
Metal parts: CrNiMo steel 316 (G) or equivalent, optional materials on request.