ASTM-F1431 › Standard Specification for Water Trap for Diesel Exhaust
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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.
Scope
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 (metric) units shall be regarded as the standard. The values given in parentheses are for information only.
Keywords
diesel exhaust systems; piping systems; ICS Number Code 47.020.20 (Marine engines and propulsion systems)
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01.07 (Ships and Marine Technology)
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Document Number
ASTM-F1431-92R21
Revision Level
1992 R21 EDITION
Status
Current
Modification Type
Reapproval
Publication Date
Jan. 15, 2021
Document Type
Specification
Page Count
3 pages
Committee Number
F25.11