H75VK

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H75VK

H75VK
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Item Description
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 Sleeve
1.1.6, 2.1.6 Spring
1.1.7, 16 Set screw
1.2, 2.2 Seat
3 Shaft sleeve
4 Key
6 Adapter
8 Washer
9 Pin
11 Housing
12 HSH cap screw
13 Assembly fixture
14 Hexagon bolt
15 Set ring

H75VK

Features

  • Dual seal
  • Cartridge unit
  • Design acc. to API 682 / ISO 21049
  • Category 2/3, Type A, Arrangement 2 or 3
  • Bi-directional design available
  • Rotating multiple springs
  • Integrated pumping device available
  • Suitable for pressure reversals

Advantages

  • Fits to any seal chamber
  • Universally applicable both for retrofits or original equipment
  • Efficient stock-keeping due to standardized components
  • Extended selection of materials
  • Extended field of operation in terms of temperature and pressure
  • Optimized torque transmission
  • Metal parts also in special materials available
  • Safe operation due to metal torque transmission at the rotating seat

Operating range

Shaft diameter:
d = 20 ... 110 mm (0.79" ... 4.33")*
Pressure: p1 = 40 bar (580 PSI)
Temperature:
t = -40 °C ... +220 °C (-40 °F … 428 °F)
Sliding velocity: vg = 23 m/s (75 ft/s)
Axial movement: ±2.0 ... 4.0 mm depending on diameter and installation situation

* Other sizes on request

Materials

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)

Standards and approvals

  • API 682 / ISO 21049


Product variants

H75VK-D
Dual seal in back-to-back arrangement. Suitable for API 610 table 6 seal chambers.

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The Eagleburgmann Group

Sealing technology for plants and machines

EagleBurgmann is one of the worldwide leading providers of industrial sealing technology. Mechanical seals, seal supply systems, magnetic couplings, carbon floating ring seals, expansion joints, gaskets and packings as well as comprehensive services are used wherever reliability and safety are needed.

Mechanical seals and more

Sealing technology by EagleBurgmann is used worldwide in oil and gas industries, refineries, the petrochemical, chemical, and pharmaceutical industries, food processing, energy, water, mining, paper, aerospace, and other industries. Close to 5,800 employees provide their ideas, solutions, and commitment so that customers can rely on our sealing technology.

What makes us stand out is our excellent quality, great innovative capacity, and an extensive product portfolio for nearly all industrial processes and fields of application. Our product portfolio includes everything from mechanical seals and seal supply systems to magnetic couplings, carbon floating ring seals, expansion joints, and gaskets and packings as well as comprehensive services. Since we are part of the German Freudenberg and Japanese EKK group, we have all the necessary resources for a firmly based reliable partnership.

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