Manual of Marine Engineering

Manual of Marine Engineering

4.11 - 1251 ratings - Source

... when possible the screwed part should be outside, so that in opening or shutting the valve the spindle does not turn round. As the full pressure is on the valve when shut, the bridge, aamp;c., should be 3GS MANUAL OF MARINE ENGINEERING.

Title:Manual of Marine Engineering
Author:Albert Edward Seaton
Publisher: - 1885


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