BOLT/NUT GRADE & MATERIAL SELECTION

This short guide is intended to give a very basic introduction to ISO metric nuts and bolts. It is intended for those working in plant and machinery maintenance to give enough information to ensure that correct replacement parts are identified and used. If you are responsible for repairing and maintaining machinery, particularly if that machinery … Continue reading BOLT/NUT GRADE & MATERIAL SELECTION

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HULL SURVEY – PIPING OUTFIT (PART 4)

Continuing from this chapter, we will go in further detail to Scupper & Sanitary pipe. These from the piping system which discharges scupper or sanitary water directly overboard or into bilge well/tanks. Weather deck scuppers Example of deck scupper for ships with square and round gunnels is as shown below : Scuppers from cargo spaces and … Continue reading HULL SURVEY – PIPING OUTFIT (PART 4)

HULL SURVEY – PIPING OUTFIT (PART 3)

Continuing from this chapter, we will go in further detail to Sounding pipe Sounding pipe Sounding means the measurement of depth. Today, many more advanced liquid level indicators are on the market but old fashioned sounding lines are still common in tanks because of their simplicity and reliability. Requirement of sounding system All tanks, cofferdams, cargo … Continue reading HULL SURVEY – PIPING OUTFIT (PART 3)