Class P unbalanced seals
P01, P02, P11, P12

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Class P unbalanced seals
P01, P02, P11, P12

Class P unbalanced seals <br/>P01, P02, P11, P12
Request product
Drawing shows
P11 unbalanced seal

Class P unbalanced seals
P01, P02, P11, P12

Features

  • Rotating multi-spring pusher seals
  • Unbalanced
  • Compact in length
  • Available as O-Ring or wedge variants
  • Uniform seal face loading
  • Circlip design for ease of assembly
    in P11 / P12 seals
  • Independent of direction of rotation
  • Available as single, dual and tandem arrangements

Advantages

  • Ideal for general purpose applications
  • Over 35 years of running reference in the field
  • Narrow cross-section allows the seal fitment in narrow stuffing boxes
  • Lower inventory since all parts except seal ring and cups are interchangeable with Class P balanced seals (P03, P04, P13, P14).

Operating range

Shaft diameter: d = 25 … 100 mm (1" ... 3.94")
Pressure: p = vacuum to 16 bar (232 PSI)
Temperature:
t = -75 °C ... +260 °C (-103 °F ... +500 °F)
Sliding velocity: vg = 25 m/s (82 ft/s)
Axial movement: ±0.5 mm

(Consult EB for applications outside above limits).

Materials

Seal ring: Carbon graphite resin impregnated,
Carbon graphite antimony impregnated
Mating ring: Silicon carbide, Tungsten carbide, Ceramic
Secondary seals: FKM, NBR, FFKM, PTFE
Springs: Hastelloy® C-4
Metal parts: SS 316, other materials on request.

Recommended piping plans

API Plans 01, 02, 03, 11, 12, 13, 14, 21, 22, 23, 31, 32, 41, 52, 53A, 53B, 53C, 54, 55, 61, 62, 65A, 65B, 66


Product variants

P12 unbalanced seal with circlip
P01 unbalanced seal
P02 unbalanced seal with wedge as secondary seal

Similar products

Class E balanced seals E03, E04, E13, E14

Class E balanced seals E03, E04, E13, E14

  • Rotating single-spring pusher seals
  • Balanced
  • Robust seal design
  • Available as O-Ring or wedge variants
  • Hard/hard seal face combination available
  • Independent of direction of rotation
    (E13, E14)
  • Available as single, dual and tandem arrangements

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Class E unbalanced seals E01, E02, E11, E12

Class E unbalanced seals E01, E02, E11, E12

  • Rotating single-spring pusher seals
  • Unbalanced
  • Robust seal design
  • Available as O-Ring or wedge variants
  • Hard/hard seal face combination available
  • Independent of direction of rotation
    (E11, E12)
  • Available as single, dual and tandem arrangements

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Class P balanced seals P03, P04, P13, P14

Class P balanced seals P03, P04, P13, P14

  • Rotating multi-spring pusher seals
  • Balanced
  • Compact in length
  • Available as O-Ring or wedge variants
  • Uniform seal face loading
  • Circlip design for ease of assembly
    in P13 / P14 seals
  • Independent of direction of rotation
  • Available as single, dual and tandem arrangements

Read more

Contact

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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.

EagleBurgmann WORLDWIDE