Hi,
I'm hoping someone can help me clarify the B31.3 radiography examination requirements.
As per B31.3 “Not less than 5% of circumferential butt and
miter groove welds shall be examined fully by random
radiography”
If a after a hydro 5% of the welds need to be radiographed. When you have few...
Hi,
I have a client that is asking for a liquid seal leg on a knock-out drum drain line.
Can anyone tell me what is a liquid seal leg and and how it functions?
Thanks,
Kajtek
I have a client who wants to install a 6” MOV and a gate valve fitting to fitting on a gasoline storage tank suction line. Is that could practice? Should there be a spool in between with a drain so when the tank is isolated (gate valve) the spool could be drained and the MOV could be...
If you have a piping configuration where you have two gate valves a spool in between and a drain, and the spool needs to be drained when the valves are closed, would you also need a vent for draining to prevent a vacuum? Does the spool length determine if you need a vent?
