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Paper and pulp seals

JCS2 Double End Mechanical Seal
  • JCS2P Double End Mechanical Seal
  • JCS2P Double End Mechanical Seal
  • JCS2P Double End Mechanical Seal
  • JCS2 Double End Mechanical Seal



Basic Features

  • Structure: Double-End
  • Pressure: High Pressure Mechanical Seals
  • Speed: High Speed Mechanical Seal
  • Temperature: High Temperature Mechanical Seal
  • Performance: Corrosion
  • Standard: Specific Customization
  • Model NO.: JCS2, JCS2A and JCS2P
  • Balance: Balanced
  • Specification: Inner Diameter: 30 mm to 100 mm

Product Detailed Description

JCS2, JCS2A and JCS2P Double Pusher Mechanical Seal for Paper-making Equipment, Alumina Plants, Deashing System and Slurry Pumps, Safematic JCS2 Replacement Seal

Structural Features: YALAN JCS2 series mechanical seals are widely used in many types of pumps such as paper pulp pumps. The double-balanced design of the seal allows the use of both pressurized and non-pressurized sealant fluid. This component seal works as a replacement seal of John Crane JCS2 mechanical seal.

Industrial Standards: Specific Customization.

Scopes of Application: mainly used in paper-making equipment, slurry pumps, pressure screens, for industries such as chemical engineering, power plants, mining, oil refining, alumina plants, food processing, pharmacy, and paper making. This seal works as an alternative to similar products of Sulzer, working as Safematic JCS2 replacement seals.

  • Operation Parameters:

    • Pressure: 0 ~ 2.0 MPa
    • Temperature: - 20 ~ 180 ºC
    • Linear Speed: 20 m/s or less
    • Pressure of Cooling Water: 0.1 to 0.3 MPa
    • Solid Capacity: 25% or less


    • Rotary Ring Face: SiC/TC
    • Stationary Ring Face: Carbon/SiC/TC
    • Elastomers: Viton/EPDM/Aflas/PTFE/FFKM
    • Springs: SS304/SS316/HC-276
    • Metal Parts: 410S/SS304/SS316/SS316L/2205/2507

    Mediums: oil, water, paper pulp, cypsum slurry, acid, alkali, solvents and other solid particle and high viscosity mediums.

    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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