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Seals for water pumps

YALAN H74 Multiple Spring Mechanical Seal


SKU : H74

Basic Features

  • Structure: Single-End
  • Pressure: Medium Pressure Mechanical Seals
  • Speed: High Speed Mechanical Seal
  • Temperature: High Temperature Mechanical Seal
  • Performance: High Temperature and Wear
  • Standard: DIN24960, ISO3069, and GB6556
  • Model NO.: H74
  • Balance: Unbalanced
  • Specification: Inner Diameter: 20 mm to 300 mm

Product Detailed Description

YALAN H74 Multiple Spring Mechanical Seal

Structural Features: single end, multi springs, unbalanced, independent direction of rotation, lug transmission. It is easy to install and has good compensation. The load on the seal faces are balanced and the sealing performance is stable and reliable.

Industrial Standards: DIN24960, ISO3069, and GB6556

Scopes of Application: widely used in chemical processing, oil refining, petrochemical engineering, sewage treatment, pharmacy and food production. Designed for chemical pumps, water pumps, screw pumps, sewage pumps, double suction pumps, paper making equipment and other rotary devices.

  • Operation Parameters:

    • Pressure: 1.6 MPa or less
    • Temperature: - 20 ~ 200 ºC
    • Linear Speed: 20 m/s or less


    • Rotary Ring Face: SiC/TC
    • Stationary Ring Face: Carbon/SiC/TC
    • Elastomers: NBR/EPDM/Viton/FFKM
    • Springs: SS304/SS316/PH17-4/HC-276
    • Metal Parts: 410S/SS304/SS316/SS316L/Hastelloy

    Mediums: oil, water, acid, alkali, organic solvents and subjects that are easy to be crystallized or have granules and high viscosity.

    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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