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Old 07-01-2011, 09:40 AM   #1
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joining pipe fittings


how do i join galvanzied pipe fitting to a galvanized pipe fitting? and how do i join galvanized pipe fitting (thread) to pvc backflow preventer (female)?

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Old 07-01-2011, 09:59 AM   #2
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joining pipe fittings


how do i join galvanzied pipe fitting to a galvanized pipe fitting?
Depends on what the ends of each pipe are. Typically, these thread together using a coupling or a union, elbow, or tee.

galvanized pipe fitting (thread) to pvc backflow preventer (female)?
a transition fitting

Pictures of the pipes, the backflow device with sizes would help.

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Old 07-02-2011, 11:16 AM   #3
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joining pipe fittings


You have a pvc backflow preventer??

You don't want to thread a metal fitting into a plastic female fitting. So if you have 2 fitting ends and 1 of them is plastic, your best bet is to use a schedule 80 nipple.
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