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BS 3463 75th Edition, October 31, 1975
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Observation and Gauge Glasses for Pressure Vessels
Includes all amendments and changes through Reaffirmation Notice , August 2, 2013
Page Count:24
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Standard dimensions, material and quality of glass for tubular, protector, through-vision and reflex glasses for level gauges, for circular sight and light glasses and for port gauge glasses for high pressure steam boilers. Also thermal shock test methods and requirements.