WATER SEPARATOR AND HYDRAULIC PURIFIER

摘要

Hydraulic fluids are hygroscopic, They absorb water from the atmosphere rapidly. The higher the temperature, the faster the absorption, Acid control additives in modern hydraulic fluids can neutralize the product of this hydrolysis up to a water content of 0.4%. When the fluid has been in use for a certain time, the additives' effect fades and the hydraulic fluid does not stop altogether to collect water from the environment, Samples drawn often show a water content higher than the allowed maximum percentage by most aircraft manufacturers.