• API 682 4th Edition

GSPH-KD Dual Seal

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

Details

  • 1.1.1,1.1.2

    Seal ring

  • 1.1.3

    Thrust ring

  • 1.1.4

    Driver

  • 1.1.5

    Spring

  • 1.1.6,11

    Set screw

  • 1.1.7,1.1.8,1.3,1.5,3,5,7

    O-ring

  • 1.2,1.4

    Mating ring

  • 2

    Shaft sleeve

  • 4

    Intermediate gland

  • 6

    Gland

  • 8

    Washer

  • 9

    Retaining ring

  • 10

    Set ring

  • 12

    Assembly plate

  • 13

    Hexagon screw

  • 14

    HSH cap screw

  • 15

    Plug

  • GBI

    Gas Barrier IN

  • GBO

    Gas Barrier OUT

  • 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 pumps
  • Media with gaseous leakage
  • Oil and gas industry
  • Petrochemical industry
  • Refining technology
  • Process pumps
  • Seal rings: Blister resistant carbon, Silicon carbide SSiC (Q1)
  • 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:
    d = 20 … 110 mm (0.79″…4.33″)
  • Pressure:
    p1 = 23 bar (333 PSI)
  • Temperature:
    t = -20 … +176 °C (-4 °F … +350 °F)
  • Sliding velocity:
    vg = 23 m/s (76 ft/s)
  • Axial movement: ±1.0 mm
  • Process side*:
    01, 02, 03, 11, 12, 21, 22, 31, 32, 41
    Between seals:
    74
    * Piping plans 11 .. 41:
    Integration in seal to be dimensionally checked

Other products