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Seals for vacuum pumps

C20B Multi Spring Balanced Mechanical Seal Rotary


SKU : C20B

Basic Features

  • Structure: Single End
  • Pressure: Medium Pressure Mechanical Seals
  • Speed: General Speed Mechanical Seal
  • Temperature: Medium Temperature Mechanical Seal
  • Performance: Wear and Weak Corrosion
  • Standard: ISO3069, GB6556, DIN24960, EN12756
  • Model NO.: C20B
  • Balance: Balanced
  • Specification: Inner Diameter: 14 mm to 120 mm

Product Detailed Description

YALAN C20B Multi Spring Balanced Mechanical Seal for Chemical Centrifugal Pumps, Vacuum Pumps, Compressors and Reaction Kettles

Structural Features: single end, multi springs, balanced, independent rotary direction, screw pin and lug combined transmission. The transmission method is simple and reliable. All compensation components are pre-assembled so the seal component itself is easy to be installed with great compensation performance. The loads on seal faces are well balanced and the whole seal is easy to adjust with stable sealing performance.

Industrial Standards: ISO3069, GB6556, DIN24960, EN12756

Scopes of Application: widely used in petroleum, chemical engineering, chemical fiber, food and beverage production, pharmacy, paper pulp production and environmental industries.

  • Operation Parameters:

    • Pressure: 3.0 MPa or less
    • Temperature: - 40 ~ 200 ºC
    • Linear Speed: 25 m/s or less


    • Rotary Ring Face: Carbon/SiC/TC
    • Stationary Ring Face: Carbon/SiC/TC
    • Elastomers: NBR/EPDM/FKM/PTFE
    • Springs: SS304/SS316
    • Metal Parts: SS304/SS316

    Mediums: water, oil and amorphism acid, alkali, salt and organic solvents.

    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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