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grey

Advanced Member

Posts: 86

Location: Eastern WA

1

Tuesday, June 21st 2011, 12:06am

Hunter PGP too long for 25'?

Based on the charts PGP is not optimal for these distances. If I use the smallest nozzle the GPM would be too low. Is that correct? My pressure is about 30-35 PSI.

Mitchgo

Supreme Member

Posts: 499

Location: Seattle

2

Tuesday, June 21st 2011, 7:48am

is your pressure 30-35 static or dynamic?

grey

Advanced Member

Posts: 86

Location: Eastern WA

3

Tuesday, June 21st 2011, 12:37pm

dynamic, after all pressure loss calculations.

Mitchgo

Supreme Member

Posts: 499

Location: Seattle

4

Tuesday, June 21st 2011, 9:54pm

Based on the charts If your zone is designed properly- They will throw about 30'

Mitchgo

Supreme Member

Posts: 499

Location: Seattle

5

Tuesday, June 21st 2011, 9:55pm

Smaller nozzle gpm just means longer run time... It's actually a good thing to have

Mitchgo

Supreme Member

Posts: 499

Location: Seattle

6

Tuesday, June 21st 2011, 10:02pm

Reading your other posts and that you are starting up your own system.

My personal recommendation of rotors are the Rain Bird 5004 +

In my opinion these heads are far superior then pgp's. With using your difuser, flow control ( at the head) and low angle's ( if need be) you can get this head to water almost any area

grey

Advanced Member

Posts: 86

Location: Eastern WA

7

Tuesday, June 21st 2011, 11:06pm

Thanks for reply Mitchgo. I didn't check 5004 yet but aren't they the same range as PGPs? As far as using smaller nozzles I read recommendations not to use less than 2 GPM nozzles since little wind blow away water. Then again I'm no professional just reading and open to suggestions.

Mitchgo

Supreme Member

Posts: 499

Location: Seattle

8

Tuesday, June 21st 2011, 11:31pm

the pgp and 5000 are essential the same, though the 5000 has the ability to control flow and actually turn off the rotor. The pgp doesn't ( though the hunter i20 does)

It's true wind will push the water. It's recommended to water early morning where in most places in the world- the wind is the least in the morning. However, if designed properly wind shouldn't be a huge deal . Or design it to compensate for a constant wind application.

2gpm a nozzle is fine. I generally don't go lower then 2

Have you consideredMPR Rotator nozzles?

grey

Advanced Member

Posts: 86

Location: Eastern WA

9

Wednesday, June 22nd 2011, 12:59am

Not really. I read their reviews seems a little finicky. I think I will be going with Hunter PGJ or Rainbird 3500.

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