Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 240
oon as it does open, however, the steam has a chance to acton an area of 13.33 scl- m- The valve would then open very wideand before the weight could reseat the valve the pressure woulddrop considerably. If it were possible for the full boiler pressureto act on this larger area, the pressure would… … surfaces of the valve and thevalve seat. However, somesuch increase in the total lift-ing force of the steam iseffected and the excessive anduncontrollable amount of blow-down which results was oneof the reasons for this typeof valve being discarded.Another point to be considered is that while any…
Locomotives · Steam-boiler explosions
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