ULC 25A PDF
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This standard covers positive displacement liquid meters for motor fuels, including gasoline and gasoline/ethanol blends from E0 through E98, and requires these meters to comply with UL/ULC 25 in addition to the requirements in this standard. It also identifies applicable fuel specifications, installation under applicable codes and regulations, and evaluation using specified test fluids based on the intended ethanol concentration rating
Key Benefits
- Clarifies requirements for positive displacement meters used with gasoline and gasoline/ethanol blends up to 98 percent ethanol.
- Establishes that covered meters must also comply with UL/ULC 25 baseline requirements.
- Defines the intended fuel applications using ASTM fuel specifications for gasoline, denatured fuel ethanol, and ethanol fuel blends.
- Identifies scope exclusions, including velocity, head, and area meters, centralized fuel oil distribution system meters, and certain electrical meter components.
- Specifies test fluid evaluation by rating category, including E0–E25, E0–E40, and up to E98 applications





