UL 79:2016 pdf download.Power-Operated Pumps for Petroleum Dispensing Products.
18 Hose Nozzle Valve. Hose, and Coupling
18.1 A pump assembly for use with interchangeable service-station type hose-nozzle valves is not prohibited from being furnished without a hose-nozzle valve when the assembly is marked as specified in 74.4(af A pump assembly not for use with interchangeable service-station type hose-nozzle valves is not prohibited from being furnished without a hose-nozzle valve when the assembly is marked as specified in 74.4(b).
18,2 When a hose assembly, consisting of hose and couplings. is supplied with the pump assembly, it shall have nonferrous couplings attached and comply with the Standard for Hose and Hose Assemblies for Dispensing Flammable Liquids. UL 330.
19 ConduIt Seals
19.1 A factory-installed conduit seal incorporated as part of the product shall comply with the requirements of the Leakage Test. Section 43: the Leakage of Wire Seal Test. Section 44: and the Hydrostatic Strength Test. Section 49.
19.2 When a conduit seal is incorporated with the product, the wires or conductors shall be securely held and tightly sealed whee they pass into the enclosure. When a sealing compound or cement is used it shall.
a) Provide a tight lit:
b) Neither soften nor crack under service conditions:
c) Be resistant to the solvent action of the liquids and vapors to which ii is capable of being exposed — see the Tests on Sealing Compounds, Section 55:
d) Be resistant to moisture and aging: and
e) Have a depth equal to the inside diameter of the conduit or 58 inch (15.9 mm). whichever is greater.
18.1 A pump assembly for use with interchangeable service-station type hose-nozzle valves is not prohibited from being furnished without a hose-nozzle valve when the assembly is marked as specified in 74.4(af A pump assembly not for use with interchangeable service-station type hose-nozzle valves is not prohibited from being furnished without a hose-nozzle valve when the assembly is marked as specified in 74.4(b).
18,2 When a hose assembly, consisting of hose and couplings. is supplied with the pump assembly, it shall have nonferrous couplings attached and comply with the Standard for Hose and Hose Assemblies for Dispensing Flammable Liquids. UL 330.
19 ConduIt Seals
19.1 A factory-installed conduit seal incorporated as part of the product shall comply with the requirements of the Leakage Test. Section 43: the Leakage of Wire Seal Test. Section 44: and the Hydrostatic Strength Test. Section 49.
19.2 When a conduit seal is incorporated with the product, the wires or conductors shall be securely held and tightly sealed whee they pass into the enclosure. When a sealing compound or cement is used it shall.
a) Provide a tight lit:
b) Neither soften nor crack under service conditions:
c) Be resistant to the solvent action of the liquids and vapors to which ii is capable of being exposed — see the Tests on Sealing Compounds, Section 55:
d) Be resistant to moisture and aging: and
e) Have a depth equal to the inside diameter of the conduit or 58 inch (15.9 mm). whichever is greater.
