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Correct Riser Type for Hunter I-20 Rotor

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jimmyburg

Advanced Member

Posts: 52

Location: USA

11

Monday, September 17th 2007, 7:55am

then your answer is no you will not damage or under perform if you stay within the 10 peercent rule, meaning if the the static is 62psi than your zone should not exceed 12gpm. that mmeans you can get away with the most 4 pgp with a nozzels at 4#7 or going along the fence at 30ft spaces corner #7 and middle #9 and corner #7 and with the little bit of 1/2 will not hurt your system. I use 1/2 poly from the pvc to the heads with the right barb fittings, i make them myself, or you can buy them already made. just trying to help.
Jimmy
Texas Lic. Irrigator
Landscape Irrigation Auditing & Management
Texas Lic. Backflow Tester

gregory1420

Advanced Member

Posts: 62

12

Tuesday, September 18th 2007, 1:34pm

i agree with jimmy...i use 1/2 on some of my I-20'S and didn't have a problem...makes install alot easier....
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