| 摘要 |
Disclosed is a thermostat valve cap (1) comprising a thermostat element (7) provided with a pressure chamber (8) whose volume changes depending on the temperature. The inventive thermostat valve cap (1) also comprises an actuating element (17) interacting with an expansion area (14) of the thermostat element (7), and a safety device. Said safety device encompasses an expanding pressure relief area (12) outside the expansion area(15) so as to keep the space requirement as little as possible.
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