UL 87B:2015 pdf download – Standard for Power-Operated Dispensing Devicesfor Diesel Fuel，Biodiesel Fuel，Diesel/BiodieselBlends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
UL 87B:2015 pdf download – Standard for Power-Operated Dispensing Devicesfor Diesel Fuel，Biodiesel Fuel，Diesel/BiodieselBlends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil.
24.23 Splices in wiring shall be located only in junction boxes or compartments that have been determined to be equivalent. Splices shall be made mechanically and electrically secure and be soldered unless a wire connector is used. Joints shall be covered with insulation that has been investigated and determined to be equivalent to that on the conductors.
24.24 Circuits for lighting and fo motors shall be readily identifiable in the iunction box, provided for held connections.
25 Locking Mechanism
25.1 A dispens4ng device shall be provided with effective means for locking both the motor switch and each hose nozzle valve. The locking mechanism shall be of such design that a simple locking operation for each dispensing control will prevent starting the motor and the discharging of even small quantities of fluid through the dispensing outlet. When the locking means is based upon the use of an ordinary padlock, the padlock [considered to have a 1/4 inch (6.4 mm) minimum diameter shackle] need not be supplied.
26.1 Representative samples of a dispensing device or its component parts shall comply with the tests described in Sections 28 — 44 as applicable.
26.2 All tests shall be performed using the test fluids specified for that test. No substitution of test fluids is allowed. When the test indicates that FB25a or BlOOa are to be used, the test fluid shall be prepared as described in Supplement SA.
26.3 For hydrostatic strength tests, the tests are to be conducted using water as the test fluid.
26.4 Tests performed on a dispensing device shall be performed In accordance with Test Sequences, Section 27, using one sample for each applicable test fluid. In addition, with reference to 10.8, a valve used as a pressure relief device shall be subectod to the Long Term Exposure Test. Section 28. using one sample for each applicable test fluid.
26.5 To reduce the effects of seal dry out due to removal of the test fluid after specific tests, the tests performed after long term exposure shall be started within 4 hours of removal of the test fluid. If necessary to coordinate testing, the sample may be left filled with the most recent test fluid at room temperature until the next test is initiated. If the previous test used an aerostatic or hydrostatic source, the sample shall be filled with kerosene.
26.6 With respect to Long Term Exposure Testing of full hydraulic trees of dispensers, see 26.4. portions of the hydraulic tree that were previously tested at the component level and using suitable metallic material closures need not be subjected to repeated Long Term Exposure testing. Hydraulic trees that consist of components that were all previously tested with suitable closures would be considered in compliance without a repeated Long Term Exposure Test. In these cases, the test sequence in Section 27 can be waived, and the High Pressure Leakage Test. Section 29, and the Hydrostatic Strength Test, Section 30, are pertorrned on a sample of the hydraulic tree in the as-received condition.
27 Test Sequences
27.1.1 The following test sequences outline the order in which tests stiall be performed on a dispensers hydraulic tree. All tests in the sequence are to be performed in the order indicated and shall be performed on one sample for each applicab4e test tluki exposure during the Long Term Exposure Test.
27.2 General dispenser test sequence
27.2.1 A dispenser shall be subjected to the following tests in the order shown.
a) Long Term Exposure. Section 28;
b) High Pressure Leakage Test, Section 29:
C) Hydrostatic Strength Test, Section 30.
27.2.2 Tests indicated in 27.2.1 shall be performed on one sample in the sequence shown fo each test fluid. The remainder of the tests in this standard may be performed on additional samples, as needed, and in any sequence.