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Dear Expert, I would like to seek your advise regarding requirement of hydrostatic test for routine repair. Routine repair meaning is attaching non-load carrying clip onto pressure part not subject for PWHT. I have found a forum here that NO Hydrostatic is required. But according to...

Dear All, We have a project that requires repair of equipment nozzle which is equivalent to replacement of welding neck flange. The intended procedure is to remove the flange by undercutting the flange hub then grind off the nozzle to the portion where it was welded before and then,put the new...

Thanks all.

Yes Sir. There are document requirement. But i believe that not all are needed and i am not sure which should i accept. A pipe supplier may provide a mill cert ( usually contains all necessary test for component from a mill including chemistry). Anyway if you have experience aside from mill cert...

Dear All, Looking for Help. I am reviewing Bid from different Piping Component Vendor. I am not sure what documents shall they submit to us after Purchase. I think Material Certificate is enough. Can anybody tell significant document aside from Matl. Cert. Regards, Myk

Hello, How about for BEM/BXM type HE with multi pass?Should we require the vendor to provide vents and drains at th rear side of the HE. I think some of your suggestion would be applicable for BEU type exchanger.

I would like to seek help regarding requirement for vent and drain for heat exchangers. Kindly advise when this is necessary if the process data sheet did not show this nozzles on their documents.

Good Day. I will be working for a project with thin film evaporator equipment. Im not familiar with this type of equipment. If anybody has a sample datasheet of this equipment, kindly share it to me. Thank you in advance.

To ensure integrity of structural material, therefore impact test shall be required. Materials may fail to a certain temperature which is a function of thickness. You may try also to check the ASTM equivalent material requirement for this.

We are working with HDPE tanks for a specific project. Piping are expected to connect onto the nozzles of the HDPE tanks. In regard to this, do we allow any loads to be carried by the tank nozzles or shall we use diaphragm to avoid transfer of piping loads onto the tank nozzles and tank wall. Is...

thanks for the advise.

Hi europipe, Thanks for the reply. The vessel should be connected with piping within the skid. And the skid are supplied by the vendor as a whole. Does it have any issue if the fabricator has mistaken the fabrication on which the tolerance is over the standard (let's say PIP). I think this...

Good day. What shall we do if after fabrication the nozzle projections are found to be out of tolerance (assume to be higher or lower than allowable from any spec)?