Historical
UL 1337 Ed. 5-2020
Outline of Investigation for LP-Gas, Natural Gas, and Manufactured Gas Devices for Engine Fuel Systems - Published Date: April 10, 2020
This fifth issue of the Outline of Investigation for LP-Gas, Natural Gas, and Manufactured Gas Devices for Engine Fuel Systems, UL 1337, is being revised to harmonize hydrostatic strength test with other devices for Engine Fuel Systems and clarify the method measuring pressure applies to all products.
Underwriters Laboratories [ul]