• API 682 4th Edition

B750VN Single Seal

  • API 682 Category 2 and 3, Type A, Arrangement 1
  • Single seal configuration
  • Balanced design
  • Independent of direction of rotation
  • Cartridge construction
  • Pumping device available for increased efficiency in circulation
  • Rotary unit with multiple springs

Details

  • 1.1.1

    Seal ring

  • 1.1.2

    Driver

  • 1.1.3

    Thrust ring

  • 1.1.4,1.3,3,6

    O-ring

  • 1.1.5

    Spring Sleeve

  • 1.1.6,8

    Spring

  • 1.1.7,13

    Set Screw

  • 1.2

    Mating Ring

  • 2

    Shaft sleeve

  • 4

    Gland

  • 5

    Multi-flow distributor

  • 7

    Throttle bushing

  • 9

    Washer

  • 10

    Setting plate

  • 11

    Hexagon bolt

  • 12

    Set ring

  • 14

    Plug

  • F

    Flush

  • Q

    Quench

  • D

    Drain

  • Robust and compact design
  • Standardised components allows efficient stock stock-keeping
  • Extensive applications in the field covering varied temperatures and pressures
  • Extensive selection of materials
  • Metal parts available in special materials
  • Universally applicable both for retrofits or original equipments
  • API 610/ISO 13709 pumps
  • Oil and gas industry
  • Refining technology
  • Petrochemical industry
  • Chemical industry
  • Highly volatile hydrocarbons
  • LPG plants
  • Power plant technology
  • Process pumps
  • Seal ring: 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 … +349 °F)*
  • Sliding velocity:
    vg = 23 m/s (75ft/s)
  • Axial Movement:
    d ≤40 mm ±1.0 mm
    d ≥40 mm ±1.5 mm
    * Engineered up to 260 °C (500 °F) with FFKM (K) secondary seals
  • Process side:
    01, 02, 03, 11, 12, 13, 14, 21, 22, 23, 31, 32, 41
    Atmospheric side: 51, 61, 62, 65A, 65B, 66A, 66B

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