Rotate the emergencyclosingvalve positive and negative continuously twice so as to solve the safety problem, it is easy to operate, faster and non-slam.
采用该应 急阀，只须连续正反两次转动即可解决安全问题，操作简单、 快捷、无撞击。
2
Where possible, leave the wrench on the valve so a quick closing of the valve can be made in the event of an emergency.
在可能的地方，把扳手留在阀门上，以便在紧急情况下可以迅速的关闭阀门。
3
An emergency is any actual or potential release of a hazardous material that cannot be stopped by closing the product's cylinder or container valve.