заранее установленный
• A relief valve set at a predetermined (or prearranged, or preassigned, or preset, or specified) working pressure spills the excess back to the reservoir.
Русско-английский научно-технический словарь• A relief valve set at a predetermined (or prearranged, or preassigned, or preset, or specified) working pressure spills the excess back to the reservoir.
Русско-английский научно-технический словарь