Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 211
finally closes the valve in the balance line and opens the steamconnection, thereby imposing boiler pressure on the water in the trapand releasing it to flow by gravity through check valve B into theboiler. When the trap has emptied itself, the float, of course, againreverses the valve positions… … tu 1927] THE LOCOMOTIVE. ]99 throuj^h the two check valves A and 15 without causinj^f the rctunitrap to fuiutioii. When a boiler return tra]) of this nature is used, the valves marked*C in Fi<^. I. are sometimes installed to facilitate removal of thetrap in case it needs to be repaired. Ihe…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
