What is UL757?

UL757, also known as the "Standard for Safety for Power-Operated Dispensing Devices for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations Up to 20 Percent (B20), Kerosene, and Fuel Oil," is a technical standard established by Underwriters Laboratories (UL). This standard provides regulations and guidelines for the design, construction, and operation of power-operated dispensing devices for these types of fuels.

Importance of UL757

UL757 plays a crucial role in ensuring the safety and integrity of power-operated fuel dispensing devices. These devices are commonly used in various industries such as transportation, construction, and agriculture. Compliance with UL757 helps to mitigate the risks associated with fuel dispensing, including fire hazards, electrical malfunctions, and environmental pollution.

By adhering to the requirements outlined in UL757, manufacturers can ensure that their dispensing devices are safe and reliable. Contractors and operators can have peace of mind knowing that the equipment they are using or installing complies with industry standards and has undergone rigorous testing.

Key Requirements of UL757

UL757 covers a wide range of aspects related to power-operated fuel dispensing devices. Some of the key requirements include:

1. Construction and materials: The standard specifies the acceptable materials and construction methods for these devices. It addresses factors such as compatibility with different fuels, corrosion resistance, and durability.

2. Electrical safety: UL757 outlines guidelines for electrical components and wiring systems to prevent electrical shock and minimize the risk of ignition sources.

3. Fire safety: The standard includes measures to prevent and contain fires, such as the use of flame arrestors, spill containment systems, and emergency shut-off mechanisms.

4. Performance testing: UL757 requires manufacturers to conduct performance tests to ensure that the dispensing devices meet specified criteria for flow rate, accuracy, and reliability.

Conclusion

UL757 is a vital standard in the field of power-operated fuel dispensing devices. Its regulations and guidelines help protect lives, property, and the environment. Compliance with UL757 ensures that these devices are designed and constructed to withstand the challenges associated with fuel handling. By adhering to this standard, manufacturers, contractors, and operators contribute to a safer and more efficient industry.