Dear All.
My fabricator installed 4 lifting lug on the 4m OD vessel with weight about 40MT. However the End User question (rejected) about curvature of the reinf pad for lifting lug, the curvature seem "bulged" due to the manual pressing forming. The "bulge" curvature height by 4.1mm from the...
G'Day all
My Question, the system piping was designed as per ASME B31.3 and normally we hydrotested with 1.5xDesign Pressure as per clause 345.4.2. However the consultant interpret that the Hydrotest must follow ASME 16.5 Clause 8.2.2 which is 1.5xFlange Rating.
My argument that ASME16.5 mean...
Hi All
I have one reboiler heatexchanger working in plant for 15months. The problem start appear on the month of 14. The tubeside medium is reflux hydrocarbon (ethane) about 35barg. On the shell ia R22 refrigeration medium working at about 17bargs. This reboiler start block/cloged after opening...
Hello,
My fabricators purchase the materials i.e ASME flange, elbow and fittings for process piping B31.3.The supplier provide only copy of Mill Cert and with stamped with "Certied True Copy" and some with "Certified match with Original". And with supplier name seperate stamp. In the code do we...
Hi Friend
I have problem with manhole low temperature suction drum in JT/TurboExpander section. The Design temperature minus 80C and design pressure 78barg. Operating pressure and temperature 62barg and minus 70C. Manholes 20"x600#. All Materials Stainless Steel 316. While shifting TExp to JT...
Hi, I have trouble every time to start the lpg pump. Before start I must prime around 20minutes before start the pump. Pictures - suction from spherical tank 12meter diameter, length around 12meter, size 3", temperature medium 12 to 45C, ambient 2 to 47C and suction strainer. Pump OH2 type. Some...
Hi,
Some confusion!, I have LPG spherical with automatic deluge spray nozzle on the vessel and fix water monitors at 2 position around vessel plus one hydrant. If we refer to above API code, should that vessel to be apllied the fire proofing on the column?.
Hi
I need some opinion on the blowdown system for liquid petroleum gas storage. Some designer do not used any BD mechanisme except the PSV. However if I used PCV as BDV for blowdown any restriction from API 521?. or other codes?. Please
Hi,I have big size of cable but the terminal box motor entry small. I use the reducing JB and from reduce JB one cables to the terminal box motors. unapurtunitly client asking any code/regulation permit this arrangment at site?. Help
What is the intepretation of the clause 10.7 and 10.8 regarding fireproofing.If I have fix monitor for LPG Spherical Vessel, should the fire proofing be applied on the leg structural. What is the API2218 intepretation.
Hi
After HydroTested (No Heat Treatment) and Certified by AI. One attachment (non pressure) will be welded to the vessel body. Any restriction in the ASME Viii Div 1?. What is the procedures?. Any help
Hi
In upstream and downtream of 2" JT valves designed with velocities 148ft/sec and 98ft/sec respectively.i.e velocities achieve sub-sonic during full open and sonic while trottling. I think this velocities exceed the vapor velocity limit(acceptable). Anybody can comments??
Hi
Construction of ASME Viii Div i spherical tank. I have joints thickness 40mm with double groove. Problem to control the shringkage, in the codes any permission for buttering?.
Hi
Can somebody help me how to design the sway bracing for 6m height x 2ft x 2ft of Aluminium Braze Exchangers?.Any example for me from previous project?.
Hi
1) What is normally practice of multiplier of NEMA SM23? for turbo machinery?.
2) Any concern of the straight length for discharge and inlet pipe for Turbo Expander?. What is value?
Hi
API2510A recomend the distance of hydrant from the quipments is 50ft. Is it recomendation or mandatory?. The 50ft shall be measure from the centreline of equipment or??.
