Description

228-51266 High Pressure Plunger Seal for Shimadzu LC-20AP Spring Seal OEM Replacement

Our 228-51266 plunger rod high-pressure seal is engineered as a direct OEM replacement for Shimadzu LC-20AP HPLC systems. Crafted from premium imported materials, it delivers consistent sealing performance to match original Shimadzu parts, ensuring reliable operation in high-pressure liquid chromatography applications.
The seal features imported FKM/PTFE composite material, boasting excellent chemical resistance to organic solvents, acids, and common HPLC mobile phases. It withstands high operating pressures (up to 40 MPa) and maintains leak-tight integrity, preventing fluid leakage that could compromise analytical accuracy.
Precision-machined to match Shimadzu LC-20AP’s plunger rod specifications, this seal ensures seamless fit without modification. It replaces the original 228-51266 part directly, reducing maintenance downtime and offering cost-effectiveness while retaining OEM-level durability.
With low friction design, it minimizes wear on the plunger rod, extending the service life of both the seal and the LC-20AP pump. It adapts to HPLC working temperatures (-20℃ to 120℃), making it suitable for routine laboratory analysis and high-throughput testing scenarios.
Each 228-51266 seal undergoes strict quality inspections, including dimensional accuracy checks, pressure leakage tests, and chemical compatibility validation. We ensure consistency with Shimadzu’s original standards, providing a trustworthy replacement for laboratory and industrial HPLC systems.

Key Features

  • Model 228-51266, direct fit for Shimadzu LC-20AP HPLC systems
  • Imported FKM/PTFE material, superior chemical & high-pressure resistance
  • OEM replacement for original Shimadzu part, no installation modification
  • Low friction design, reduces plunger rod wear and extends service life
  • Withstands 40 MPa pressure & -20℃ to 120℃ working temperature
  • Strict quality control, ensures analytical accuracy and leak-proof performance

Applications

Ideal for Shimadzu LC-20AP liquid chromatography systems, laboratory analysis, pharmaceutical testing, environmental monitoring, and high-throughput HPLC applications requiring reliable plunger rod sealing.

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