Technical > Spud Miller's Cave

Pump feed line

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msundstrom:
Hi Spud,
If you had a 6 GPM pump and fed it with a -10 line vs. a -12 line is there any advantage or disadvantage to ultimate pump output?
Thanks
Mark S

Spud Miller:

 As long as everything is optimal (gravity fed, etc.) then you'll be ok. If it has to draw far or there's a funky 90 degree fitting in there or something like that you might have trouble. -10 is the smallest I'd ever use on a 6 GPM pump.

 Spud

alkyal:
I have been looking @ the inlet size also. What good is a a -12 or -16 line if the fitting that screws into the PUMP is only a -8. I understand that a 6 gpm pump would not present a problem, however I can speak from experience that a 7 gpm pump with the -8 threaded inlet is on the edge with alky.

Van:
Hilborn & Enderle  supply a PORTED inlet fitting, usually steel and is bored to  thin +  and flow's far more than a -8 std fitting.

wideopen231:
Heck I have 1" line and feel its small and thats with large radius sweeping 90.

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