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• 08:45, 12 August 2025 Dnevil talk contribs created page File:ThrottleValve BronzeTeflon ModeltecMay1984-3.jpg (The Valve shown mounted in a 5-1/4 inch smokebox. Special mounting shows steam admitted in the side of the valve. This was done to fit existing dry-pipe connection on boiler. The steam lines from the dry-pipe come forward from the front flue sheet, one on each side of the stack. The 1/8 inch diameter line is the supply from the lubricator. Photo by Robert Maynard, Modeltec May 1984.)