• API 682 4th Edition

B750VK-GSPH Dual Seal

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

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Details

  • 1.1.1,2.1.1

    Seal ring

  • 1.1.2,2.1.2

    Driver

  • 1.1.3,2.1.3

    Thrust ring

  • 1.1.4,1.3,2.1.4,2.3,4,6,11

    O-ring

  • 1.1.5

    Spring sleeve

  • 1.1.6,2.1.5

    Spring

  • 1.1.7,2.1.6,14

    Set screw

  • 1.2,2.2

    Mating ring

  • 3

    Shaft sleeve

  • 5

    Intermediate gland

  • 7

    Washer

  • 8

    Throttle bush

  • 9

    Retaining ring

  • 10

    Cover

  • 12

    HSH cap screw

  • 13

    Set ring

  • 15

    Assembly plate

  • 16

    Hexagon bolt

  • F

    Flush

  • GBI

    Gas Buffer IN

  • CSV

    Containment Seal Vent

  • CSD

    Containment Seal Drain

  • Suitable for both, retrofits and original equipment
  • Varied selection of materials available
  • Safe operation due to metal torque transmission at the rotating carbon seal rings
  • API 610/ISO 13709
  • Media with gaseous leakage
  • Oil and gas industry
  • Petrochemical industry
  • Refining technology
  • Process pumps
  • 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
  • Shaft diameter:
    d = 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
  • Process side:
    01, 02, 03, 11, 12, 13, 14, 21, 22, 23, 31, 32, 41
    Between seals: 71, 72, 75, 76

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