injector & tank handpump piping

This topic has 3 replies, 2 voices, and was last updated 14 November 2019 at 19:07 by Ken Bevan.

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13 November 2019 at 10:32 #437084
Ken Bevan
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@kenbevan42381
I am at the stage of completing the pipework for the top-feed on my GWR 3.5" gauge loco from the two injectors and the tender hand pump. I have made two vertical clacks for the top feed but now realise that I do not have any provision for the feed from the hand pump to the boiler other than the two top feeds. Would the injector feed be compromised if I tee into the injector feed for the hand pump?
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13 November 2019 at 10:32 #1881
Ken Bevan
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@kenbevan42381
combining the pipework plumbing
13 November 2019 at 20:02 #437155
Chris Gunn
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@chrisgunn36534
Ken, not if you fit non return valves between the hand pump and injector feeds and the clack, so the injector and pump cannot feed back through the other.

Chris Gunn
14 November 2019 at 19:07 #437297
Ken Bevan
Participant
@kenbevan42381
Thanks Chris. I rather hoped that might be the case, but not having fitted injectors on previous builds I wasn't sure.

Regards

Ken Bevan
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injector & tank handpump piping

injector & tank handpump piping

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