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Seals for water pumps

YALAN 8B1D Mechanical Seal for Boiler Feed Pumps and Power Plants


SKU : 8B1D

Basic Features

  • Structure: Single-End
  • Pressure: High Pressure Mechanical Seals
  • Speed: High-Speed Mechanical Seal
  • Temperature: General Temperature Mechanical Seal
  • Performance: Wear
  • Standard: API682
  • Model NO.: 8B1D
  • Balance: Balanced
  • Specification: Inner Diameter: 50 mm to 200 mm

Product Detailed Description

YALAN 8B1D Mechanical Seal for Boiler Feed Pumps and Power Plants

Structural Features: single end and multiple springs, balanced, independent rotary direction and coil driven. The coil dirven structure is simple and reliable. This seal component is easy to install and the sealing performance is stable and reliable and has a longer life time.

Industrial Standards: API682

Scopes of Application: widely used in boiler feed pumps deployed in power plants, booster pumps and other medium pressure and high speed applications. It is specifically designed for boiler feed pumps, booster pumps, clean water pumps, chemical pumps and other rotary devices in power plants.

  • Operation Parameters:

    • Pressure: 2.5 MPa or less
    • Temperature: 220 ºC or less
    • Linear Speed: 30 m/s or less


    • Rotary Ring: Carbon/TC
    • Stationary Ring: SiC/TC
    • Elastomers: Viton/EPDM/FFKM/Aflas
    • Springs: SS304/SS316L/HC-276
    • Metal Parts: 410S/SS304/SS316/SS316L

    Mediums: water, boiler water.

    Customization: Changes of materials for getting other operating parameters are possible. Contact us with your requirements.


YALAN Seals Global
Anhui, China
21st Floor, Lanjing International Tower
Yaohai, City of Hefei

+86 551 6428 7402

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