ASTM-F991 › Specification for Docking/Drain Plug and Boss Assemblies
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Scope
1.1 This specification provides design, construction, and purchasing criteria for docking/drain plug and boss assemblies.
1.2 Assemblies are intended for installation in shell, rudder, and tank bottom plate from 5/16 through 11/2 in.
1.3 Assemblies shall be installed at the lowest point of a tank or rudder for draining during dry docking or cleaning of tanks.
1.4 The values stated in inch-pound units are to be regarded as the standard.
Keywords
Boss assemblies; Docking assemblies; Drain plug assemblies; Rudder; Shell; Steel pipe-shipbuilding piping materials; Tank bottom plate; docking/drain plug/boss assemblies, spec; ICS Number Code 47.020.30 (Piping systems)
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Document Number
ASTM-F991-86
Revision Level
1986 EDITION
Status
Cancelled
Modification Type
Withdrawn
Publication Date
March 27, 1986
Document Type
Specification
Page Count
3 pages
Committee Number
F25.01