Face Seals Compatible with Waters HPLC – Replaces WAT270939
The Face Seals Kit (4/pk) is designed as a compatible replacement for Waters® OEM P/N WAT270939, which contains four WAT270163 seals.
These seals are critical for maintaining pump head integrity, preventing leaks, and ensuring stable chromatographic performance. Built from UHMWPE (Ultra-High-Molecular-Weight Polyethylene) with an Elgiloy® spring, they deliver excellent wear resistance, durability, and reliable sealing under repeated high-pressure cycles.
Key Features
Direct OEM Replacement
Equivalent to Waters® OEM WAT270939, includes 4 × WAT270163 seals.
Engineered Compatibility
Suitable for a wide range of Waters® HPLC systems:
2690, 2690D
2695, 2695D
2790, 2795, 2796
Alliance® Series
Premium Materials
UHMWPE: Low friction, long-lasting performance.
Elgiloy® Spring: High strength, corrosion-resistant alloy for consistent sealing force.
Reliable & Easy to Install
Drop-in replacement with strict dimensional tolerances for leak-free operation.
