Recent content by rhg

See PD 5500 3.10.1.2 It is permissible to weld nozzles, pads, branches, pipes and tubes and non-pressure parts to pressure parts, provided that the strength and characteristics of the material of the pressure part are not influenced adversely. Attachments of non-pressure parts by welds which...

Try reducing "G" diam. or bolt circle, or reducing deep of groove for pass partition. rhg

The distance mentioned is for structural attachment welds. Which is the minimun separation distance between category A to B welds?: RIDICULOUS. See PIP VESV 1002 Regards rhg

Truck crane may be useful in this case, depends of inspection frecuency. Regrads rhg

See PIP Standard VEFV1119 Column Davit up to 2000 lbs load Regards rhg

No PWHT is required. Only preheat is neccesary: please see AWS D1.1 Regards rhg

See BS EN 13445: "A subsequent heat treatment may be waived, if the forming process of the last operation has been completed at a temperature above 750 °C or above 700 °C where the degree of deformation does not exceed 5 %." Regards rhg

CaedmonH As you said "....many customers and many specifications require an additional normalising...", please consult your customer ¿why? Regards rhg

Excess of minimum soaking time is waste money. Regards rhg

This is only an economical and financial decision. Regards rhg

Conduct hydrotest individualy in horizontal position Regards. rhg

In lieu of marking, appropriate records may be filed. Marking is useful during construction, appropriate records is useful for ever. Regards rhg

Try with electronic load cell. Regards rhg

See rating in ASME B16.11 Regards rhg

Use reinfocing pads near legs, increase number of legs or design this equipment with skirt. Make it simple Regards rhg