• API 682 4th Edition

SB-Ta Dual Seal

  • API 682 Category 2 and 3, Type A, Arrangement 2 & 3 seal
  • Dual seal in face-to-back configuration
  • Balanced design
  • Independent of direction of rotation
  • Cartridge construction
  • Stationary design with multiple springs
  • Designed with integrated pumping device for increased efficiency in circulation
  • Robust construction with shrink-fitted seal face
  • Heavy duty design of solid seat

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Details

  • 1.1,2.1

    Seal ring

  • 1.2,1.6,2.2,2.6,4,6,9,11,15

    O-ring

  • 1.3,2.3

    Spring

  • 1.4,2.4

    Back up ring

  • 1.5,2.5

    Mating ring

  • 1.7,2.7,10

    Pin

  • 3

    Shaft sleeve

  • 5

    Seat housing

  • 7

    Set screw

  • 8

    Pumping ring

  • 12

    Gland

  • 13

    HSH cap screw

  • 14

    Cover

  • 16

    Multi-flow distributor

  • 17

    Setting Plate

  • 18

    Hexagon screw

  • 19,20

    Retaining ring

  • 21

    Shrink disc

  • F

    Flush

  • LBI

    Liquid Buffer / Barrier IN

  • LBO

    Liquid Buffer / Barrier OUT

  • Accommodates shaft deflections due to stationary design
  • Can be designed for individual pump application with corresponding connection parts to be adopted to the pump seal chamber
  • Optimum heat dissipation due to integrated pumping device available for increased efficiency in circulation and optimized seat design
  • Cartridge unit factory assembled for easy installation, which reduces downtime
  • Trouble-free long-term operation due to heavy duty single seat design with bandage
  • Can operate under high sliding velocities and high pressures
  • Multiphase pumps API 610/ISO 13709 pumps
  • Oil and gas industry
  • Refining technology
  • Chemical industry
  • Hot water
  • Sour water
  • Caustic soda
  • Amines
  • Crystallizing media
  • Crude oil
  • Process water
  • Crude oil feed pumps
  • Injection pumps
  • Seal rings: Blister resistant carbon, Silicon carbide SSiC (Q1), RBSiC (Q2)
  • Mating rings: Silicon carbide SSiC (Q1), RBSiC (Q2)
  • Secondary seals: FKM (V), FFKM (K), EPDM (E), NBR (P)
  • Springs: Hastelloy ® C-276 (M5)
  • Metal parts: CrNiMo steel 316 (G)
  • Shaft diameter:
    d1 = 20 … 110 mm (0.79″ … 4.33″)
  • Pressure:
    p = 60 bar (870 PSI)
  • Temperature:
    t = –40 °C … +176 °C (-40 °F … +349 °F)*
  • Sliding velocity:
    vg = 50m/s (164 ft/s)
    * Engineered up to 260 °C (500 °F) with FFKM (K) secondary seals
  • Recommended piping plans 2CW-CW
    Process side:
    01, 02, 03, 11, 12, 13, 14, 21, 22, 23, 31, 32, 41
    Between Seals: 52, 55
    Atmospheric side*: 61, 62, 65A, 65B
    *Throttle bushing on request
  • Recommended piping plans 3CW-FB
    Process side:
    01, 02, 03, 11, 12, 13, 14, 21, 22, 23, 31, 32, 41
    Between Seals: 53A, 53B, 53C, 54 Atmospheric side*: 61, 62, 65A, 65B
    *Throttle bushing on request

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