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Thank you all for your reply. We too suspecting the defect is caused by chipping hammer. Material had been PMI tested. All chemical composition is accepted as per code.

Dear All, Can anyone tell me what kind of defect as per picture attached? It appears on the material after we performed welding. The material is SA312 TP304L pipe weld to a SA182 F304L Flange...

Thanks for reply, Does that means RT1 require all the joint to be type(1)? My query is not about to make type(3) joint into type (1), my query is that "can type (3) joint comply to RT1 requirement?".

Dear forum member, I have a pressure vessel, one of the circumference seam is considered as Type 3 joint as per table UW-12. (Because we can't inspect the internal quality of the weld) If i do 100% radiography on all the joint, can the vessel be categorised as RT1? Regards, Wcw

Dear Littleinch, The manhole for this vessel is for user to replace the filter elements only ( as long as hand is reachable to the filter element to do some tighten/un-tighten and removing works of the element) is sufficient). The 22" is the design size to fit enough filter element into the...

Thanks for reply gr2vessels and littleinch, My company recently received a job that require to use a 22" flange as manhole. Horizontal Vessel, Combination is 22" WNRF Flange (manhole with davit) + 22" Shell + 22" Cap. (U-stamp required) Normally in the drawing i will create a table of nozzle...

Hi pennpiper, I have an actual situation that require the use of 22" ASME Flange WNRF.

Dear all forum member, Can anyone enlighten me, why is it B16.5 do not have flange size of 22" ? I try to read through the B16.5 but still catch no ball. Thanks in advance. Regards, Wcw

Dear JStephen, Thank you so much for your information, it helps abundance to my understanding in foundation bolt design.

Dear John, Thanks for your reply, Can you tell me what kind of design is for the length of foundation bolt? Is there a code or manual that i could refer to? I really appreciate your help in this matter. Regards, wcw

Dear All member, I have a question about foundation bolt,I just started to use pvelite software, i notice that i could only calculate the bolt size required for the foundation bolt using pvelite, can any member tell me that is there a way to know the length of the foundation bolt required? I...

Thanks for your help! Cheers wcw

Dear metengr, Do you mean that i have to tell my supplier the use of the pipe after i purchase it? Example of my material requisition form: PIPE DN300 SCH40 X 550MM (SEAMLESS ) SPEC: SA106 GR.B ACCEPTABLE ASTM ED: A106 GRB 88a THROUGH 08 HOT FINISHED O.D AND I.D VARIANCE < 1%...

Dear Forum member, I have 1 queries about the ordering information as per asme II when i order a pipe (SA 106 Gr.B) Under ASME II Part A (3.1.12) End Use of material. Does this clause means that i have to state the reason i buy the pipe in my ordering information? Thanks in advance for...

Thanks for your reply mike.

Dear all, I saw a lot of swing bolt closure (design based on asme Sec8 Div.1 code) vessel in the internet, i was curious and would like to know which code in asme sec8 div1 shows the design of swing bolt closure? What i read from asme sec8 div1 is UG-35.2 (a)(1) Closure of the swing bolts are...

Hi jwhit, Thanks to you i am crystal clear now. :D Cheers. cw

Hi Weldstan, Do you mean that if impact tested is performed during WPS using ER308LSi, a job that required to use ER308L with impact tested can not use the WPS with impact tested using ER308LSi?

Thank you SnTMan and Marty for your guy's great advise. Regards, wcw

XL83NL, i myself also think that the hub end thickness of the wnrf should have the same thickness as connecting pipe. Even i check from Texas Flange website, they only have sch std and sch XS for such size of flange. Anyway thanks for reply. [bigsmile]