| 摘要 |
The present shut-off valve is particularly suitable for the case of liquefied petroleum gas containers, in their industrial and domestic use, which have an automatically closing check valve, being formed by a support body (2) which, being provided with means for attachment to the mouth (7) of the container (8), associates a check valve (3) with opening and closing means (14) thereof controlled by a desmodromic cam (11) which has an operating lever (13). |
