I have attached the drawing of check valve. It looks like bolted bonnet but my manufacturer informs it is a pressure seal bonnet. Can any one explain to me whether the atatched valve is with bolted bonnet or pressure seal bonnet
My requirement is Gate valve with LCB body & trim 10. My manufacturer is offering trim 10 as below:
Wedge: LCB+316
Stem: F316
Seat: LF2+316
I am new to valves & I request any one to help me by informing me if the above is OK
We hydotested a globe valve & the testing lab has informed us that there is a pin hole found. Can any one explain me what is a pin hole & what are the consequences of this pin hole & how can this be rectified
My client requires gate valve with wedge 316SS (forging) but my principal is offering CF3M (casting). Can any one advise me if I can accept this. My principal says performance is the same for casting & forging. They intend to use casting because of less cost. The specs is 6" gate valve with A351...