Pipefitting Steam Traps

Question 1

What are the 3 types of steam traps?

Answer 1

•Thermo Dynamic
•Thermo Static
•Mechanical

Question 2

What are Thermo Dynamic traps used for?

Answer 2

Draining tracer lines

Question 3

Which steam trap is considered the most reliable?

Answer 3

Thermo Static

Question 4

At what temperature does a Thermo Static trap open?

Answer 4

212°F

Question 5

What does a Mechanical trap needs that the other’s do not?

Answer 5

Primed with water

Question 6

What is another name for Mechanical traps?

Answer 6

Inverted Bucket

Question 7

What happens if a Mechanical trap leaks?

Answer 7

You will lose your water seal

Question 8

What are steam traps for?

Answer 8

Holding back steam and releasing condensate

Question 9

Do steam traps typically fail open or closed?

Answer 9

Open

Question 10

What is used go collect particulates and contaminants in a steam line?

Answer 10

Strainer, placed up stream of the steam trap

Question 11

Where do you put drip legs?

Answer 11

At the lowest point and at every elevation change

Question 12

What are expansion joints used for?

Answer 12

Allow for linear thermal expansion

Question 13

What is used to check steam traps?

Answer 13

Temperature gun/Thermometer

Question 14

What does a snubber do (in steam pipe)?

Answer 14

Prolong the life of the gauges

Question 15

What are the 2 types of steam we use?

Answer 15

Saturated and Superheated

Question 16

What pressure denotes Saturated steam?

Answer 16

50psi to 150psi

Question 17

What pressure denotes Superheated steam?

Answer 17

200psi or more

Question 18

What is the biggest application of steam traps?

Answer 18

Distribution Headers

Question 19

Why would a bi electric trap fail to pass condensate?

Answer 19

Clog or blockage

Question 20

Can steam traps fail closed?

Answer 20

Yes, but not common