Bpec Low Carbon Steel

Which of the following two pipe sizes are most commonly used on small scale low carbon steel installations

• 1'' (25mm)

• 1/2'' (15mm)

• 1-1/4'' (32mm)

• 3/4'' (20mm)

• 1-1/2'' ( 40mm)

What does this fitting do?

• Joins three pipes of an equal diameter

• Changes the direction of the pipe by 90⁰

• Blank off or seals other pipework

• Joins three pipes with one pipe smaller than others

What does this fitting do?

• Joins three pipes of an equal diameter

• Connects two pipes together in a straight line

• Enables the pipe run to be split for easier assembley

• Blanks off or seals other pipework fittings

What does this fitting do?

• Connects two pipes together in a straight line

• Enables the pipe to be split for easier dismantling

• Changes the direction of the pipe by 90⁰

• Blanks off or seals the pipework

The name of the document that is used to show the type of low carbon steel and fittings used is called a.

• Site Plan

• Bill of Quantities

• Materials schedule

• Delivery note

Check that the pipe ends are free from ​ (a)   before cutting.Using a ​ (b)   mark a line at the desired length

• Damage
• Tape Measure
• Threads 
• Pencile 

Check that the hacksaw's​ (a)   are pointing towards the forward cut.Carefully cut the pipe ensuring that the end of the pipe is ​ (b)   De-burr the pipe ​ (c)   and ream out using a​ (d)  

• Teeth
• Square
• Externally
• File

The end of the pipe that's being threaded needs to be ​ (a)   to provide a leading edge for the ​ (b)   to catch the pipe wall.Set up the ​ (c)   and dies.​ (d)   or cutting oil should be applied to the end of the pipe before commencing ​ the ​ (e)   operation.

• Chamfered
• Dies
• Stock
• Cutting compound
• pipe threading

The thread should be cut so that it is approximately​ (a)   longer than the lengthof the inside of the fitting. Once completed,the ​ (b)   cutting compound is wipped off.

• 1 to 2 threads
• Excess
• 3 to 4 threads 
• used 

Mark a line on the pipe at a distance from the ​ (a)   where the ​ (b)   of the finished bend is requiered. From this measurement you ​ (c)   the ​ (d)   nominal bore of the pipe. This is because there's a gain in the length of one pipe diameter when bends are made.Put the pipe in the bending machine and line up the mark with the centre of the ​ (e)   .

• fixed point
• centre line
• deduct
• internal
• former