|
Figure 1. On the gas shutoff valve, two seals on either side of the ball (top photo) and one or more O-rings on the operating shaft (bottom photo) are necessary to keep the shutoff valve gas tight.
|
|
||||
|
Figure 1. On the gas shutoff valve, two seals on either side of the ball (top photo) and one or more O-rings on the operating shaft (bottom photo) are necessary to keep the shutoff valve gas tight.
|
|
||||
