Designed to start, stop or change the flow of working fluids in various hydraulic systems, mainly in mining and in other machinery with manual controls, deployed in a pressurized environment .
Working fluid - any retardant hydraulic fluids of following categories:
Designed to start, stop or change the flow of working fluids in various hydraulic systems, mainly in mining and in other machinery with manual controls, deployed in a pressurized environment .
Working fluid - any retardant hydraulic fluids of following categories: