• API 682 4th Edition

GSPH Ta Dual Seal

  • API 682 Category 1, 2 and 3, Type A, Arrangement 2 seal
  • Dual seal in face-to-back configuration
  • Gas lubricated
  • Independent of direction of rotation (with U-grooves)
  • Cartridge construction
  • Contact free operation, no friction
  • Rotary multiple springs

Details

  • 1.1.1,2.1.1

    Seal ring

  • 1.1.2,1.3,2.1.2,2.3,4,5,8,9

    O-ring

  • 1.1.3,2.1.3

    Thrust ring

  • 1.1.4,2.1.4

    Driver

  • 1.1.5,2.1.5

    Spring

  • 1.1.6,2.1.6,14,15

    Set screw

  • 1.2,2.2

    Mating ring

  • 3

    Shaft sleeve

  • 6

    Intermediate gland

  • 7

    Gland

  • 10

    Cover

  • 11

    Throttle bush

  • 12

    HSH cap screw

  • 13

    Set ring

  • 16

    Assembly plate

  • 17

    Hexagon bolt

  • CSV

    Containment Seal Vent

  • CSD

    Containment Seal Drain

  • GBI

    Gas Buffer IN

  • Suitable for both, retrofits and original equipment
  • Varied selection of materials available
  • Designed for vaporizing media
  • Operation close to vapor pressure
  • Refining technology
  • Petrochemical industry
  • Chemical industry
  • Oil and gas industry
  • Media with gaseous leakage
  • API 610/ISO 13709 pumps
  • 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-4 (M)* and C-276 (M5)
  • Metal parts: CrNiMo steel 316 (G) or equivalent, optional materials on request
    * Sealmatic standard
  • Shaft diameter:
    d1 = 20 … 110 mm (0.79″ … 4.33″)
  • Pressure:
    p1 = 20 bar (290 PSI)
  • Temperature: t = -40 °C … +176 °C (-40 °F … +350 °F)
  • Sliding velocity:
    vg = 4 … 23 m/s (13 … 76 ft/s)
  • Axial movement: ±1.0 mm
  • Process side:
    02, 03
    Between seals:
    71, 72, 76

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