Temco Auto Parts
Radiator Cap
The radiator cap is more than a cap for the radiator; it keeps the engine cool by sealing
and pressurizing the coolant inside it. It is designed to hold the coolant in the radiator under a predetermined amount of pressure. If it was not
kept under pressure, it would begin to boil, and soon all the coolant would have boiled away. However, the radiator (or pressure) cap prevents this
from happening by exerting enough pressure to keep the coolant from boiling.If the cooling system is under too much pressure, it can blow its top±!
To prevent this, the radiator cap has a pressure relief valve. The valve has a preset rating that allows it to take just up to a certain amount of
pressure. When you turn the cap on the filler neck of the radiator, you seal the upper and lower sealing surfaces of the filler neck.
TEMCO Auto Parts offers a wide selection of Standard and Coolant recovery Radiator Caps for most popular makes of cars and trucks applications.
Our products allow the expanding warm fluid to flow through the transfer tube to the Recovery System Reservoir which is controlled via the Radiator Cap.
The design also can increase cooling efficiency, help prevent coolant evaporation, and keep air out of the cooling system by using the correct Radiator Cap,
The exact conversion figure for 1 psi = 6.89476 kpa. Each pound of pressure raises the boiling point.
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