SYMPOSIA PAPER Published: 01 January 1982
STP28433S

Stainless Steel Castings in New York City Water Tunnel No. 3

Source

Construction of the New York City Water Tunnel No. 3, designed to carry 7.5 million m3 (two billion gallons) of water per day, involves many state-of-the-art technological considerations. This also applies to metallurgical aspects involved and especially those related to stainless steel castings, which are used in large valves 914, 1219, and 2438 mm (36, 48, and 96 in.) in diameter and in their 2438-mm (96 in.) flowmeter components. These entail considerations of long-term corrosion resistance plus demanding dimensional stability over long periods of time and compromises that need not usually be considered for other high-quality stainless steel castings applications, such as chemical plant pressure vessel components.

This paper summarizes specific Bureau of Water Resource Development experiences and decisions reached during its work on the large butterfly valves.

Author Information

Andersen, GA
Inspection Division, Department of Environmental Protection, Bureau of Water Resource Development, New York, N.Y.
Goldspiel, S
Inspection Division, Department of Environmental Protection, Bureau of Water Resource Development, New York, N.Y.
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Details
Developed by Committee: A01
Pages: 13–25
DOI: 10.1520/STP28433S
ISBN-EB: 978-0-8031-4825-3
ISBN-13: 978-0-8031-0740-3