Magazine Sprinkler System Components

Question 0

Describe or explain the Manifold.

Answer 0

• Connects transmission tubes to PRP

Question 1

Describe or explain the Air Pressure Gauge.

Answer 1

• 0 to 36 osi. (ounces per square inch)

* Displays PRP internal pressure

Question 2

Describe or explain the Schrader Valve/Cap.

Answer 2

• Connection for air testing the PRP

Question 3

Describe or explain the Pilot Valve.

Answer 3

• Shifts when PRP is tripped to open the Magazine Sprinkler Valve.

Question 4

Describe or explain the Reset Handle.

Answer 4

• Used to reset the PRP after being tripped

Question 5

Describe or explain Vent “C”.

Answer 5

• Set screw

* Used to bleed air from the operating pressure chamber relieve valve chatter.

Question 6

Describe or explain the Port “D”.

Answer 6

• Atmospheric port

* Gives a indication of bad o-rings

Question 7

How many ports does the Sprinkler Valve have?

Answer 7

The Sprinkler Valve has 4 different Ports designated A, B, C and D.

Question 8

Describe or explain Port “A”.

Answer 8

• Operating pressure connection

* Ports water from the hydraulic control system to the operating Pressure Chamber

Question 9

Describe or explain Port “B”.

Answer 9

• Atmospheric port located on the side of the Cover

* Purpose is a visual indication of a ruptured Diaphragm

Question 10

What are three types of alarms used in magazines?

Answer 10

• FH (Dry)
• FD (Flooding)
• F (High Temp/105 & -5 degrees)