Otherwise, such relief ( spitting) can occur when the second check is fouled during emergency backflow or resulting from a water hammer condition.

此外，在紧急回流或出现水锤现象时，如果第二止回阀受到污染，则这种安全阀可能出现释放（喷溅）。

youdao

Otherwise, such relief ( spitting) can occur when the second check is fouled during emergency backflow or resulting from a water hammer condition.

此外，在紧急回流或出现水锤现象时，如果第二止回阀受到污染，则这种安全阀可能出现释放（喷溅）。

youdao