What is the Difference between Code, Standard and Specification?

The difference between Code, Standard and Specification is very important. What is Standard?   Follow TWI: Below maybe easy understand: Standard can define as a set of technical definitions and guidelines – or simply a “how to” instructions for designers and manufacturers. It gives all the necessary requirements for the product, service, and operation. A designer will use the standard … Continue reading What is the Difference between Code, Standard and Specification?

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Standard discharge connections for Piping ( shore connection flange )

We will summary the standard discharge connection for some piping system on ship, also called by Shore connection flange. The international shore connection is a universal hose connection that is to be provided on all ships as per the IMO SOLAS requirement. The purpose of the International Shore Coupling is to keep a standby hose attachment … Continue reading Standard discharge connections for Piping ( shore connection flange )

Pressure gauge installation requirement!

Regarding to pressure gauge installation, it need to be follow as below: An Isolation valve for maintenance purpose ( can remove without impairing the pressure system’s integrity ) 2. The pressure gauge installed with vertical position is better than horizontal position: + Below pictures is example for wrong installation pressure gauge: 3. To be vented as vendor's … Continue reading Pressure gauge installation requirement!

How to take the welding parameters during make WPS / monitor welding performance?

To confirm that a weld has been made to specification: For arc welding the main parameters are as follows: Welding current Arc voltage Travel speed The other parameters which may be measured and recorded are as follows: Wire feed speed (for MIG/MAG) and other processes with a filler wire Gas flow rate (shielding, backing and … Continue reading How to take the welding parameters during make WPS / monitor welding performance?