Cast Iron, Fiberglass, Glass, Lead, And Historic Pipe

Question 1

What connections does cast iron come in?

Answer 1

Single Hub, Double Hub, and No Hub

Question 2

What direction should flow go in when assembling cast iron hub type?

Answer 2

When assembling hub fittings make sure direction of flow is with spigot end and against hub end

Question 3

What joining methods are used with hub type cast iron?

Answer 3

lead and oakum, or Cold caulking (PC4)

Question 4

how much shopuld lead and oakum, or Cold caulking (PC4) be packed down?

Answer 4

25mm or 1 inch

Question 5

Advantages of Lead and oakum:

Answer 5

Lead is soft so it allows a bit of movement ex: ground moves or expansion of the pipe
Lead is easier to repair then PC4 if damaged or leaking

Question 6

Advantages of Cold caulking:

Answer 6

It’s much faster to make the joint

It’s safer then working with hot poisonous lead

Question 7

No Hub Cast Iron
what can it be used for
what does it use as a joining method?
how tight should you tighten this method

Answer 7

Used for soil pipes
Uses MJ clamps to join them
A hand powered torque wrench should be used to tighten clamp to a max of 55-60 inch pounds

Question 8

Advantages of Cast Iron

Answer 8

Has a low coefficient of expansion (0.00001012 degrees C)
Resistant to uric acid where as copper is not
Isolates sound better then almost any other common pipe

Question 9

Disadvantages of Cast Iron

Answer 9

It is heavy and hard to move

It takes longer to make joints

Question 10

What’s another name for Glass Pipe

Answer 10

kimax

Question 11

What types of ends does glass pipe come in

Answer 11

Single bead
Double bead
No bead

Question 12

When cutting glass where are the blades located?

Answer 12

When cutting glass pipe blades are located on the inside of the pipe

Question 13

what is glass pipe used for

Answer 13

Chemicals, pharmaceuticals, food, dairy, plating, pulp and paper, and textile

Question 14

Asbestos Cement/Transite Pipe
what creates the seal on this pipe
what is it used for
in what state is this pipe dangers in?

Answer 14

Uses a gasket to join and seal the pipe together, and also prevents sand and mud from getting in
Only used for DWV purposes
Danger: the dust created by cutting the pipe is incredible dangerous

Question 15

Fiberglass Pipe Joining Metodes

Answer 15

Butt and strap method (most common)
Bell and spigot
Flanged method

Question 16

what is Concrete Pipe used for

Answer 16

Used for: sanitary sewers, water supply, irrigation, storm sewers and manholes