ASTM F1431-92(2010)

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.