Principles of Purging

Weight calculation formulas-Pipe,Plate,Round Bar,Square Bar.

Weight calculation formulas-Pipe,Plate,Round Bar,Square Bar

How to fit up pipe to 45 deg elbow?

How to fit up pipe to 45 deg elbow?

Procedure Qualification Record (PQR or WPQR)

Procedure Qualification Record (PQR or WPQR).

A PQR is a record of a test weld performed and tested (more rigorously) to ensure that the procedure will produce a good weld.

Some essential instruments for Procedure Qualification Record (PQR):

Thermometer,

Clamp meter,

Torch,

Thermal chalk,

welding bevel gauge..

                                

Piping symbols_Legends in Isometric drawing

Piping symbols:

Orifice Flange Tapping Orientation

Orifice Flange Tapping Orientation

How to Read Pipe Rolling/Offset in Isometric Drawing?