Southworth valve setting

Southworth valve setting

This topic has 3 replies, 3 voices, and was last updated 11 March 2025 at 13:05 by Martin Johnson 1.

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10 March 2025 at 14:57 #788063
John Lawson
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@johnlawson61116
Does anyone know of any instructions on setting the valve for a Southworth 3 inch vertical pump, just guessing at the moment.
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10 March 2025 at 16:49 #788089
noel shelley
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@noelshelley55608
You mean a weir type feed water pump ? Noel.
11 March 2025 at 12:40 #788279
John Lawson
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@johnlawson61116
Yes but specificaly this 3″ pump
11 March 2025 at 13:05 #788286
Martin Johnson 1
Participant
@martinjohnson1
Firstly the southworth series have no resemblance to the Weir product. End of pedant outbreak.

It is easiest to start with the two stops set close to each other. The pump should then work, but will not travel full stroke. You can then progressively move each stop out a bit and try again. You will reach a point where the then stalls at one end, so put that stop back in a bit. The settings tend to depend a bit on stroke speed, working pressure and motive fluid, so fine tune under steam if that is the intention, but rough set on air for convenience.

Martin
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