Waterous Relief Valve

Question 1

What does the relief valve system provide?

Answer 1

Provides sensitive pump control to protect firefighters & equipment from sudden pressure surges

Question 2

Pressure range of relief valve?

Answer 2

70-300psi
75-300psi (1996 seagrave)

Question 3

Two units of the relief valve?

Answer 3

Pivot valve (on panel)
Relief valve(on pump)

Question 4

If pumping above 300psi. What do you do to relief valve?

Answer 4

Turn off

Question 5

What is the differential in psi must you have between intake and discharge pressure?

Answer 5

50psi

Question 6

green indicator light indicates?

Answer 6

Fully closed

Question 7

Amber indicator light indicates?

Answer 7

Partial or fully open

Question 8

How to set relief valve?

Answer 8

Turn pressure control knob counter-clockwise until main gage psi drops 5 to 10psi below desired setting and Amber light illuminates. Gradually turn knob clockwise (raising pressure) until gauge is steady at desired psi & green light illuminates & amber light is off.