Recent content by khanvessel

Hi there, I am working on an offshore project,sour crude and gas from the producing platform will be transferred to the onshore plant through a sub-sea pipeline network, theses pipeline need to be internally coated with FBE, one of the major issue which we faced on previous project is the...

Hi there, I am working on an offshore project,sour crude and gas from the producing platform will be transferred to the onshore plant through a sub-sea pipeline network, theses pipeline need to be internally coated with FBE, one of the major issue which we faced on previous project is the...

Hi All, Thanks for all responses and SORRY I couldn't reply due to some personal reasons. My client do not want to install clamp type flange due to high H2S in the gas, I believe ASME VIII design would be a good option as per LittleInch, however will try to contact GC LOK and Vector. Thanks...

HI, I need to install a 26" flange on piping system designed for 5860 psig. ASME 16.47 is limited to CL 900 only, is there any standard for flanges above 24" for CL 2500? Regards Vassel

Thanks Parchie, Same is for other auxiliary items as well such as UV dryers PLC etc? Can I use an auto-transformer?

Hi there, Is it safe to operate a 3 phase 380V,50Hz equipmment (including motor, UV dryers, PLC and some other auxiliary items) on 400V,50Hz supply? Similarly 220V,50Hz on 230V, 50Hz (single Ph)? Regards

Thanks!metengr

There is a concern raised from one the pressure vessel manufacturer, that the test coupon for the normalized material (A 350 FL2) shall undergo simulated heat treatment. As per my understanding, forgings are exempted from this requirement per section UG-11(a) and UCS-85 (e)(f) of ASME-VIII...

We need to purchase bronze valve for slops system, fluid is sour. Is it required for bronze valvs manufactured from ASTM B61/62 per MSS SP-72 to be NACE MR0175 compliant? Thanks in advance for help. Regards

Hi, Does any one knows the resistivity of medium or heavy crude oil in omh-cm? Thanks

Hi, One of our client is asking to supply a 4" subsea ball valve in MEG (Mono-Ethylene Glycol) service with a design life of 50 years. Is it possible to have a valve for this much life (gurantee would be an issue I believe). Thanks

Hi, A storage vessel on an offshore platform to store Disulfide (DSO)/Dimethyl Disulfide (DMDS) is required, stored material is highly corrosive and flammable. Can I use plain CS vessel or CS with Inconel 625 (or any other suitable material) cladding will be required? MSDS is attached for...

Hi, A storage vessel on an offshore platform to store Disulfide (DSO)/Dimethyl Disulfide (DMDS) is required, stored material is highly corrosive and flammable. Can I use plain CS vessel or CS with Inconel 625 (or any other suitable material) cladding will be required? MSDS is attached for...

Than k for you help, Vassel

Thank you all for your expert advice, It is recommend in one of our clients spec that if MDMT is below -47 C, clad the vessel with UNS S31254 or use SA 203 Gr D or E with impact and HIC test. Temp range in ASME II Table A1 is upto -20 F only. Regards