We have PWHT requirement stating 1150F for 60 mins. Is there a typical cycle for PWHT in code with rising and falling rates which have to be followed while heat treating? something like
"Ambient to 600F at moderate rate
600F to 1150F at 400F/ hour
Hold 1150F +/- 25F for 60 mins
Cool to 600F at...
Hello,
I have to send all the BW joint CS/SS pipes (thickness is less than 3/4") for PWHT. The code says PWHT is not required if the thickness is below 3/4", but it's client requirement so have to do it.
Can anyone tell me how much hardness is required for testing? the services are Sour Gas and...
Hello,
My requirement for Y-strainer is CS SW 800# but the supplier is offering CS SW CL600. What is the difference? I think CL600 is only used if you want it flanged end and 800# API is used for NPT and SW. Am I right?
Got to clear this befoe I procure.
I asked for a quote on ball valves and got some following deviations.
Asked = 6" Reg Port Ball Valve (600# RF, Trunion Mounted, WCB Body & Ball/ENC Coating, Gear operator)
Deviation = Offering LF2 body (rest same)
Asked = 2" Reg Port Ball Valve (600# RF...