| 摘要 |
<p>The present invention relates to a valve for opening and closing a portable high pressure gas can and, more specifically, a valve having a flow control device and an overpressure prevention device for a portable high pressure gas can, which facilitates the opening and closing of a gas can, prevents a leakage of the gas can when the gas can is sealed, includes an overpressure prevention device to prevent the thermal expansion of the gas can, and allows the supply of gas at a constant flow rate against a decrease in the internal pressure of the gas can.</p> |
