What is the use of bottom cavity in gate valve?
In my feed document of my ongoing project, underground burried Gate valve(as per AWWA 515) is without bottom cavity. What could be the reason behind this?
What if the same valve is used for above ground? Do we still need to provide without bottom...
Dear all,
What is the difference between serrated and non-serrated flange face finish ?
How to decide when to go for serrated and non-serrated flange face finish ?
As per MSS-SP-6 Table 1,
For ductile iron flanges Flat face, roughness is serrated 6.3 micro meter...
Hi,
Is ball valve with regular pattern avialable?
Is this pattern used for Ball valve.
Generally Long and short pattern are avialable for ball valve. But in my project, feed document which we recieved from client says Ball valve with regular pattern as per API 6D.
So, is this pattern...
