WATTS 0556030 (N36-1/2") Series LFN36 Lead Free* Water Service Vacuum Relief Valves are used in water heater/tank applications to automatically allow air to enter into the piping system to prevent vacuum conditions that could siphon the water from the system and damage water heater/tank equipment. It consists of a Lead Free* brass body construction with NPT male inlet connection, and a protective cap.
This inverted bucket steam trap has a integral strainer and all stainless steel internals. Best suited for equipment drains with medium to heavy condensate loads. The inverted bucket arrangement operates on the density difference between steam and water, giving a cyclic operation for discharge of the accumulated condensate.
James Nasmyth: An Autobiography, edited by Samuel Smiles, originally published by Harper & Brothers, new York, NY, 1884. Reprinted by Lindsay Publications, Bradley, Ill., 1989. 4 x 7 paperback, xviii + 461 pages.
Model Engineering: A Guide to Model Workshop Practice, With Working Designs of Engines, Boilers, Rolling Stock, Cannon, Electric Machines, etc. etc., by Henry Greenly, originally published in 1915 by Cassell & Co. Ltd., London, England.
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