H75VK seal
H75VK seal

Features mechanical seal h75vk

  • 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 mechanical seal h75vk

  • 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
dimensions-mechanical-seal-h75vk

Operating range mechanical seal h75vk

  • 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 mechanical seal h75vk

  • 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)
ItemDescription
1.1.1, 2.1.1Seal face
1.1.2, 2.1.2Driver
1.1.3, 2.1.3Thrust ring
1.1.4, 2.1.4, 1.3, 2.3O-Ring
1.1.5, 2.1.5Sleeve
1.1.6, 2.1.6Spring
1.1.7, 16Set screw
1.2, 2.2Seat
3Shaft sleeve
4Key
6Adapter
8Washer
9Pin
11Housing
12HSH cap screw
13Assembly fixture
14Hexagon bolt
15Set ring

Recommended applications seal h75vk

  • Oil and gas industry
  • Refining technology
  • Petrochemical industry
  • Power plant technology
  • Light volatile and highly viscous hydrocarbons
  • API 610 / ISO 13709 pumps
  • Process pumps