• Standard Cartridge Seals

B750VK

  • Dual seal configuration
  • Balanced design
  • Independent of direction of rotation
  • Cartridge construction
  • Bi-directional design available
  • Category 2 and 3, Type A, Arrangement 2 or 3
  • Design in accordance to API 682 / ISO 21049
  • Pumping device available for increased efficiency in circulation
  • Rotary unit with multiple springs
  • Can accommodate reverse pressure

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Details

  • 1.1.1, 2.1.1

    Seal face

  • 1.1.2, 2.1.2

    Driver

  • 1.1.3, 2.1.3

    Thrust ring

  • 1.1.4, 2.1.4, 1.3, 2.3

    O-Ring

  • 1.1.5, 2.1.5

    Spring Sleeve

  • 1.1.6, 2.1.6

    Spring

  • 1.1.7

    Set screw

  • 1.2, 2.2

    Seat

  • 3

    Shaft sleeve

  • 4

    O-Ring

  • 5

    Key

  • 6

    Adapter

  • 7

    O-Ring

  • 8

    Washer

  • 9

    O-Ring

  • 10

    Pin

  • 11

    Housing

  • 12

    HSH cap screw

  • 13

    Assembly fixture

  • 14

    Hexagon bolt

  • 15

    Set ring

  • 16

    Set screw

  • Can handle extensive applications in various temperatures and pressures
  • Versatile in design to fit various seal chambers
  • Material of construction available in special metallurgy
  • Special torque transmission deign for high performance
  • Operation reliability due to rugged metal torque transmission at the rotating seal face
  • Light volatile and highly viscous hydrocarbons
  • Oil and gas industry
  • Petrochemical industry
  • Refining technology
  • API 610 / ISO 13709 pumps
  • Process pumps
  • Seal face: Carbon graphite antimony impregnated (A), Silicon carbide (Q1, Q2)
  • Seat: Silicon carbide (Q1, Q2)
  • Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
  • Springs: Hastelloy® C-4 (M)
  • Metal parts: CrNiMo steel (G), Duplex (G1), Hastelloy® C-4 (M)
  • Sizes: d1 = Upto 110 mm (Upto 4.250’’)*
  • Pressure: p1 = 40 bar (580 PSI)
  • Temperature: t = -40 °C … +220 °C (-40 °F …+428 °F)
  • Speed = 23 m/s (75 ft/s)
  • Permissible axial movement: ± 2.0 … 4.0 mm depending on diameter and installation situation
  • * Other sizes on request

API 682 / ISO 21049

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