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The last 4 posts

Monday, May 7th 2012, 5:55pm

by Wet_Boots

Static pressure is not operating pressure. Including pipe and fittings and valves and backflow preventer, you could lose 20 psi, and that's before you turn on a zone.

Monday, May 7th 2012, 5:50pm

by Parks539

Now I'm really confused, everything I've read says around 60 psi is ideal???

Monday, May 7th 2012, 5:16pm

by Wet_Boots

I would think twice about using those heads - 78 psi static is on the weak side, all told, unless this is a curbside meter feeding a small lawn.

Monday, May 7th 2012, 4:34pm

by Parks539

pressure regulator

My static pressure is 78 psi and Im going to be using Rainbird 5004's with the internal pressure regulator. Do I need to use a pressure regulator for the entire system? And if a regulator is used does that have an effect on the GPM?