Relief Valve

Question 1

For pumps from 1,250 to 2,250 GPM, how many inches (size) is the relief valve?

Answer 1

3 to 4

Question 2

The Waterhouse relief valve is ___ separate units.
1.
2.

Answer 2

2
Relief valve proper (the muscle that relieves)
Pilot valve (controls the proper)

Question 3

When setting the relief valve, turn valve what direction until the main gauge drops 5 to 10 psi.

Answer 3

Counter clockwise

Question 4

When a relief valve is acting sluggish or how after shall you excessive valve?

Answer 4

Monthly

Question 5

What controls the Relief Valve Proper?

Answer 5

Pilot Valve

Question 6

To set the relief valve, slowly turn pressure control knob counter-clockwise until main gage PSI drops ______ PSI below desired setting & ambler light illuminates.

Answer 6

5 to 10

Question 7

What happens if you open the relief valve drain when the fire pump is operating?

Answer 7

PSI decreases

Question 8

What PSI is the relief valve lowest setting?

Answer 8

70

Question 9

What shall you do with the relief valve when PSI is above 300 psi ?

Answer 9

Turn system off

Question 10

The relief valve must have ___ PSI pressure differential between intake and discharge pressure?

Answer 10

50 psi

Question 11

What is the max setting?

Answer 11

300 psi

Question 12

The Relief Valve is equipped with indicator lights.
A green light means valve is :
An amber light means valve is :

Answer 12

Green-closed
Amber-partially or fully open

Question 13

Engage pump and increase discharge pressure to 150 psi at least ______.

Answer 13

Monthly