American Marsh Simplex (c.1927 model) in steam
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How does the valve in these simplex pumps work?
caserules1 7 months ago
@caserules1 Hi there - it's a shuttle valve, a single small piston above the main (larger) piston in the right hand side of the pump in the video.. it moves left and right, change the flow of steam to the main piston below, causing the reciprocating action that you see in the video. Hope this helps, Cheers.
WSDuplex 7 months ago