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The last 3 posts

Wednesday, April 10th 2013, 7:08am

by Atkin75 (Guest)

Follow up

The original gpm was taken from and outside spigot nearest to the meter. Yesterday I pulled water from just beyond the meter and was easily drawing 12 gpm.

Thanks for your help, I really appreciate it!

Tuesday, April 9th 2013, 11:28pm

by Central Irrigation

1" will handle anything up to 15 gpm. Avoid changing pipe sizes, it makes servicing and install cheaper and easier. Your 8 gpm seems low for your water source.

Tuesday, April 9th 2013, 9:00am

by Atkin75 (Guest)

Main line size

Hello all,

This summer I will be installing an irrigation system my self. I have been purchasing parts this past winter and I am now ready to buy the pipe for the main line, problem is, I'm having difficulty figuring out what diameter to use.

I have municiple water, a 1" copper service line and a 1" meter; the system holds between 47-50 psi and produces about 8 gpm. There will be 7 zones and 42 total sprinkler heads. I live in southeast Michigan so I will be using poly pipe since ground freezing is inevitable.

Any help of advice regarding diameter will be helpful. Thanks in advance.