Item Description
1.1.1 Seal face
1.1.2 Driver
1.1.3 Thrust ring
1.1.4, 1.3 O-Ring
1.1.5 Sleeve
1.1.6 Spring
1.1.7 Set screw
1.2 Seat
2 Shaft sleeve
4 Housing
5 Insert
7 Throttle ring
9 Washer
10 Assembly fixture
11 Hexagon bolt
12 Set ring
13 Set screw

H75VN

Features

  • Single seal
  • Cartridge unit
  • Design acc. to API 682 / ISO 21049
  • Category 2 and 3, Type A, Arrangement 1
  • Independent of direction of rotation
  • Rotating multiple springs
  • Integrated pumping device available (H75VP)

Advantages

  • "Low-Emission-Seal" acc. to the American STLE-limits
  • 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
  • Metal parts also in special materials available

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)
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

H75VP
Dimensions, items and descriptions as H75VN, but with pumping ring. Shorter installation length possible.
H75N
Dimensions, items and description as H75VN.
Seal face: Silicon carbide (Q1, Q2)
Seat: Silicon carbide (Q1, Q2)

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AX25D

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AX30

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