Recent content by 91873634542

Hi All, I need some calculation related water treatment. Simple question, how many (kg) KCL 95% to make solution in 1000 litre water to achieve TDS 45000ppm ? Lets say TDS water before mixing is 150ppm Thank you

Hi all, anyone have procedure for 36" conductor welding procedure ? we have 25 joint 36" conductor and installation using semi rig. this is for exploration well. thank you

Hi all. i am difficult to find supplier who sell pipe AISI 4130 in singapore. anyone who know its vendor ? Thanks

We will do wellhead welding in offshore. Wellhead material AISI 4130 and its casing using K55. What electrode should be used ? ER80S-G / E10018-D2 or E6010 / E7018 or any option ? Thanks in advance

We will do wellhead welding in offshore. Wellhead material AISI 4130 and its casing using K55. What electrode should be used ? ER80S-G / E10018-D2 or E6010 / E7018 or any option ? Thanks in advance

Hi All, can anyone explain why there is difference about max. tolerance in flange missalignment between ASME B31.3 and ASME PCC-1 ? cheers Dean

yes i know, many people usually using aerial extractor but very expensive to mobilize this equipment to pull out only 1 tube bundle . because of this bundle weight not too heavy, i have plan to fabricate sliding table combine with high load rope puller (hydratight) for pulling out and using...

Dear all, we have a plan tu replace heat exchanger tube bundle at offshore facility with the new one but we have a problem method to pulling out this bundle. first option, we will make sliding table and we will pull this bundle using high load rope puller. this bundle have weight 25 tons i...

hi All, anybody can advise me if any institution for pre commissioning engineer certification especially for piping / pipeline ? BR EP

hi all, anybody know when should we use hydraulic bolt tensioning in flange management work based on ASME or API codes ? please help me for the answer based on "codes" not based on "opinion" thanks

hi All, could you inform me some parameter that state a stud bolt can be re used ? this application for pressure vessel thanks a lot for the advise BR EP

Hi All, i have a case when fabricate Pig Launcher. actually, our function only fabrication service exclude design and engineering. we are fabricating Pig launcher 14" X 12 " and when fabrication finish we are ready for precommisioning. my responsibility is doing flange management and hydrotest...

Hi all, please help me about material code or uns number for API spec 6A. material stated flange #5000 RTJ WN type 6B,API spec 6A material 45K sch 120 R39. anybody can help me for material code or UNS number ? i search in internet, commercial code for 45K is A105 carbon steel but i am not sure...

Please advise me when should we use bolt torque wrench (torquing) and bolt tensioning ? when we want to joint flange 26" #900, should we use bolt tensioner ? thanks for advise Regards

Hi All, our exsisting line using bolt M64X6 Gr8.8, what the suitable bolt size if we want replace it to withworth (inch) bolt ? please advise for bolt size and bolt material regards