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Pressure Valve 2010-10-20
This situation is that my proposed subdivision will be served by an 8" city water main that will not meet fire protection (20psi). The county has a 16" main across the street.
Valve passing at site 2010-10-19
Based on API 589 closure test requirements, some passing (leakage) is permitted during manufacturer shop closure test.
Difference between "CLASS" and "LBS" in "Valves" 2010-10-19
Sharing philosophy of Automatic Block Valve and emergency block valve.Many plants use gate valves for isolating units at the battery limits etc.
DB&B VALVES 2010-10-19
Application of double block & bleed valves,single block & bleed valves ; where and for what working classes these are necessary ?
Why use ball valves not gate valve. 2010-10-19
It appears the general trend of this thread is going in the right direction, but I will add my 2-cent's worth (after adjusting for inflation)
Gate valves were invented many years ago.
Blowoff Valve on Water Main 2010-10-19
Looking for the proper type of valve to install to bleed pressure off water mains when they have to be taken down for maintenance
Bubble Tight Shutoff definition 2010-10-18
Bubble-tight is a relevant term if applied to a certain set of conditions. It must be explained that way.
Difference between "CLASS" and "LBS" in "Valves" 2010-10-18
How the flange rating of the valve must be mentioned with "CLASS" or "LBS"
Example: CL 150 or 150 LBS
