Recent Questions

Is NFPA approval required for Flame Arrester if designed to ISO 16852?
Asked 2 days, 2 hours ago by mobassey 1 Answer

If Flame Arresters are designed, manufactured and certified to ISO 16852, would NFPA approval required?

Basic difference between API 620 and 650
Asked 1 month, 2 weeks ago by jensi129 2 Answers

Dock Hoses Proof Test Requirement?
Asked 1 month, 3 weeks ago by deema 3 Answers

Do you pressure test dock hoses using 1.5 design pressure similar to testing pressure vessels?

What does MPY stand for?
Asked 1 month, 3 weeks ago by ravi 1 Answer

What does MPY stand for?

Can any one suggest what is the unit MPY stands for?

What is the typical design life for ballast tank filling hoses on fpso?
Asked 1 month, 3 weeks ago by jcargill 1 Answer

What is the typical design life for ballast tank filling hoses on fpso? In another word, what is the offshore industry typical design life (in years) for ballast tank filling hoses on fpso turret?

Which is better option between galvanized nuts and bolts versus stainless steel?
Asked 1 month, 3 weeks ago by mlraio5

For salt water / offshore service which is better option between galvanized nuts and bolts versus stainless steel.

Carbon Steel studs and Stainless Steel nuts for manhole covers
Asked 1 month, 3 weeks ago by phamus 1 Answer

Does anyone experience the use of stainless steel nuts on carbon steel studs for manhole covers on offshore facilities? Stud threads stripped and cannot be repaired since they were welded to avoid rotation.

How to calculate pipe ovalization?
Asked 1 month, 4 weeks ago by ravi

Please explain pipe ovalization calculation method

Pipe Stress Design level classifications
Asked 2 months, 1 week ago by sabdullayev 2 Answers

How many lines levels are typically specified in Pipe Stress Design Analysis?

What is the practical method for flushing large size piping such as 60" cooling water supply in process plants?
Asked 7 months, 2 weeks ago by tamaotobu 1 Answer

U/G cooling water lines in process units are in large size and cannot be flushed by water since low velocity. Also cleaning by rupture method is dangerous because of high volume of compressed air. What is the best way to flush such systems and is it...

What are the effects of backweld?
Asked 7 months, 2 weeks ago by Ryan Bidong 2 Answers

What effect does backweld have on process piping joint.

Do FPSOs function as place of origin for oil exports?
Asked 7 months, 2 weeks ago by Panagiotis 1 Answer

I understand that oil produced by FPSOs is usually offloaded to shuttle tankers. Do these shuttle tankers usually carry the oil the the nearest shore for further processing or can they export oil to countries further away?

In other words, shoul...

Which valve would be considered your primary isolation point in double block and bleed isolation?
Asked 10 months, 2 weeks ago by Mikhai Witt

When isolating a vessel or pump using the double block and bleed system, would the upstream valve of the bleed point be considered your primary isolation or the downstream valve closest to the vessel or pump? I cannot find a standard or suggestion on this...

Baseplate recommendation for sump pump?
Asked 1 year, 4 months ago by Andre Minasien 1 Answer

I have a project to install a new sump for storm water control, and plan to use horizontal self-priming centrifugal pumps. These would sit on steel beams spanning the sump. A supplier quotes using stilt-mount base plates. Would bolting the base to the ste...

Standard twisted and shielded instrument cable
Asked 1 year, 5 months ago by Ameya_Jos 1 Answer

Does anyone have experience pulling st...

maximum length of 1/2" instrument air tubing
Asked 1 year, 5 months ago by Habib Ramini 1 Answer

Is any maximum length of instrument air 1/4" SS tubing from 1/2' header?

What would the average performance (in Stands) be for a derrick structure in the North Sea
Asked 1 year, 6 months ago by Habib Ramini

A study evaluating the performance of derrick structures on oil and gas production platforms.

Rubber Hose vs. Composite Hose
Asked 1 year, 6 months ago by Habib Ramini 1 Answer

Aspects of Rubber Hose and Composite Hose