Basic Features
Structure: Single End
Pressure: High Pressure Mechanical Seals
Speed: General Speed Mechanical Seal
Temperature: High Temperature Mechanical Seal
Performance: Wear
Standard: DIN24960, ISO3069, GB6556, EN12756
Model NO.: 58U, AKA 59B, 59U
Balance: Unbalanced (58U and 59U) and Balanced (58B and 59B)
Specification: Inner Diameter: 20 mm to 100 mm
Product Detailed Description
YL 58U, AKA 58B, 59B, 59U Mechanical Seals for Chemical Centrifugal Pumps, Vacuum Pumps, Compressors and Reaction Kettles

Structural Features: single end, multiple springs, unbalanced (58U and 59U) and balanced (58B and 59B), independent direction of rotation, drive sleeve transmission. This component has a compact structure with small axial dimension and equal force on the sealing surface. This component can work as an alternative to similar products such as John Crane 58B, 58U, 59B, and 59U.

Industrial Standards: DIN24960, ISO3069, GB6556, EN12756

Scopes of Application: mainly used in chemical centrifugal pumps, vacuum pumps, compressors and reaction kettles for industries such as chemical processing, refrigeration, oil refining, petrochemical engineering, sewage treatment, electricity generation, papermaking, and pharmacy.

Operation Parameters:
Pressure: 4.0 MPa or less
Temperature: - 40 ~ 200 ºC
Linear Speed: 25 m/s or less
Materials:
Rotary Ring: Carbon/SiC/TC
Stationary Ring: Al2O3/SiC/TC
Elastomers: NBR/EPDM/Viton/PTFE/FFKM
Springs: SS304/SS316/HC-276
Metal Parts: 410S/SS304/SS316/SS316L/Hastelloy
Mediums: oil, water, amorphism acid. alkali, salt, and organic solvents.

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