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ASTM F1431-92(2016)

Historical Reaffirmation

Standard Specification for Water Trap for Diesel Exhaust

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1.1 This specification covers the material, dimensions, and construction of diesel exhaust water traps, which shall be required whenever the exhaust is to be expelled through the hull of the vessel.

1.2 The traps are designed to prevent sea backwash from entering the diesel exhaust system.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.


This specification covers the material, dimensions, and construction of a water trap for diesel exhaust. The diesel exhaust water trap system shall consist of a tank and baffles manufactured from a nickel-chromium-molybdenum-columbium alloy, with gaskets made of nonmetallic materials. A minimum of three baffles shall be installed. The traps shall withstand the maximum temperatures specified, be free of paint, and be so designed such as to prevent sea backwash from entering the diesel exhaust system. The trap and piping systems shall prevent dirt accumulation, with the welding being of small, even beading, free of slag and splatter. Pneumatic proof testing of each trap shall be performed with no visible seam leakage and shall conform to the requirements specified.


SDO ASTM: ASTM International
Document Number F1431
Publication Date Sept. 1, 2016
Language en - English
Page Count 3
Revision Level 92(2016)
Supercedes
Committee F25.11
Publish Date Document Id Type View
Jan. 1, 2021 F1431-92R21 Reaffirmation
Sept. 1, 2016 F1431-92R16 Reaffirmation
May 1, 2010 F1431-92R10 Reaffirmation
Nov. 1, 2004 F1431-92R04 Reaffirmation
April 10, 1998 F1431-92R98 Reaffirmation