1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 18, 20181UL 1389Outline of Investigation for Plant Oil Extraction EquipmentIssue Number: 3June 18, 2018Summary of TopicsThis third issue of the Outline of Investigation for Plant Oil Extract
2、ionEquipment, UL 1389, covers the expansion of the scope to includeprefabricated plant oil extractioon booths, in addition to the closed looppneumatically operated plant oil extraction equipment currently covered.Also, the instruction manual requirements for plant oil extractors isclarified.ULs Outl
3、ines of Investigation are copyrighted by UL LLC. Neither a printed norelectronic copy of an Outline of Investigation should be altered in any way. All ofULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall remain the sole and exclusi
4、ve property of ULLLC.COPYRIGHT 2018 UL LLCUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 18, 2018UL 13892No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENT
5、SINTRODUCTION1 Scope .52 Units of Measurement .63 Undated References 64 Components 6PART I PLANT OIL EXTRACTORSCONSTRUCTION5 General 66 Containers .77 Pipings and Fittings .78 Gauges 89 Power-Operated Pumps and Bypass Valves .810 Meters 811 Valves 911.1 General 911.2 Safety relief valves 911.3 Exces
6、s flow/backflow/check valves .1111.4 Hydrostatic relief valves .1211.5 Positive shutoff valves 1212 Electric Heater .1213 Lighting 1314 Regulators .1315 Tube Fittings .1316 Flexible Metallic Hose .13PERFORMANCE17 Deformation Test .1318 Leakage Test Pump .1419 Endurance Test 1419.1 Pump .1419.2 Press
7、ure vessel 1520 Leakage Test System .1521 Hydrostatic Strength Test 1522 Mechanical Strength Tests for Slight Glass 1623 Overflow Test 1624 Temperature Test .1725 Tests for Synthetic Rubber Parts .1825.1 General .1825.2 Volume change test 1825.3 Weight loss test 1926 Low Temperature Test 20MANUFACTU
8、RING AND PRODUCTION TESTS27 General 20JUNE 18, 2018 UL 1389 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMARKINGS28 Details .20INSTRUCTIONS29 Manual 22PART II PREFABRICATED PLANT OIL EXTRACTION BOOTHS30 General 2431 Area Classification 253
9、2 Key Factors Investigated 2533 Field Assembly, Installation and Use 2634 Markings .2735 Instructions 27JUNE 18, 2018UL 13894UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover commercial or industri
10、al plant oil extraction equipment for installation inaccordance with ANSI/NFPA 70, National Electrical Code (NEC), the International Fire Code, andANSI/NFPA 1, Fire Code, together with the manufacturers installation instructions.1.2 This plant oil extraction equipment includes:a) Plant oil extractor
11、s These plant oil extractors are complete closed loop pneumaticallyoperated equipment, with electrical features such as for heating, cooling and illumination. Thisequipment has a maximum capacity of 60 gallons (227 L) of plant oil, and uses butane orLP-Gas to extract the plant oils as indicated in t
12、he instruction manual provided with each unit.Installation may be in a distinct room that is part of a commercial or industrial building, or in aprefabricated plant oil extraction booth.b) Prefabricated plant oil extraction booths These prefabricated booths (including modifiedshipping containers, or
13、 “pods”) are for installation in a distinct room that is part of a commercialor industrial building, and incorporate the following attributes:1) The area within these booths is classified as a Class I, Division 1 hazardous locationin accordance with the NEC, and the area outside these booths around
14、openings isclassified as a Class I, Division 2 hazardous location for a distance of 3 ft (0.9 m) in alldirections in accordance with the NEC.2) The plant oil extraction equipment enclosed by these booths use solvents such asliquid butane or liquid propane.3) These booths are provided with integral e
15、lectrical equipment and factory-providedinterconnections for electrical equipment that are suitable for the area classification.4) This integral equipment may include control panels, power distribution, illumination,ventilation, vapor detection/alarming equipment, and fire extinguishing equipment, a
16、sapplicable.5) Suitable ingress/egress are provided for authorized personnel to operate, serviceand maintain the intended plant oil extraction process equipment enclosed by thebooths.c) Plant oil extraction systems Plant oil extraction systems involve any combination of plantoil extraction equipment
17、 needed for the overall extraction process.1.3 These products, when intended for installation in hazardous (classified) locations are markedaccordingly.JUNE 18, 2018 UL 1389 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL1.4 The requirements
18、 in this outline do not cover the physiological or other attributes or effects that mayresult from the use of this equipment.2 Units of Measurement2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.3 Undated References3.1 Any un
19、dated reference to a code or standard appearing in the requirements of this outline shall beinterpreted as referring to the latest edition of that code or standard.4 Components4.1 Except as indicated in 4.2, a component of a product covered by this standard shall comply with therequirements for that
20、 component.4.2 A component is not required to comply with a specific requirement that:a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this outline, orb) Is superseded by a requirement in this outline.4.3 A component shall be used in a
21、ccordance with its rating established for the intended conditions ofuse.4.4 Specific components are incomplete in construction features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such as certain temperatures notexceeding specified li
22、mits, and shall be used only under those specific conditions.PART I PLANT OIL EXTRACTORSCONSTRUCTION5 General5.1 Plant oil extraction equipment include the gas container, integral supports, and the necessary corecomponents that allow the system to function as intended and in accordance with the inst
23、allationinstructions. Plant oil extraction equipment fabricated of individual core components shall comply with therequirements of this outline.5.2 All plant oil extraction equipment shall have a maximum pressure rating of 350 psig (2.4 MPa). Theseratings apply as indicated to all parts of the syste
24、m unless otherwise noted in this outline.JUNE 18, 2018UL 13896UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL6 Containers6.1 A container shall be constructed, tested, inspected and marked to indicate compliance with the ASMEBoiler and Pressur
25、e Vessel Code, Section VIII, Division 1, with the exception of UG 125 136 containerswhich are not allowed. The minimum design pressure of the container shall be 250 psig (1.7 MPa).7 Pipings and Fittings7.1 Piping shall comply with one of the following:a) Welded and Seamless Wrought Steel Pipe, ASME
26、B36.10M;b) Standard Specification for Pipe, Steel, Black and Hot Dipped, Zinc Coated, Welded andSeamless, ASTM A53;c) Standard Specification for Seamless Carbon Steel Pipe for High Temperature Service,ASTM A106;d) Standard Specification for Seamless Red Brass Pipe, Standard Sizes, ASTM B43; ore) Sta
27、ndard Specification for Seamless Copper Pipe, Standard Sizes, ASTM B42.7.2 Tubing shall comply with one of the following:a) Standard Specification for Seamless Brass Tube, ASTM B135;b) Standard Specification for Seamless Copper Water Tube, ASTM B88; orc) Standard Specification for Seamless Copper Tu
28、be for Air Conditioning and RefrigerationField Service, ASTM B280.7.3 Fittings shall be fabricated of steel, brass, copper, malleable iron, or ductile iron. Pipe fittings of castiron shall not be used. Brazing materials shall have a melting point of 538C (1000F) minimum.7.4 Pipe and tube fittings sh
29、all have a minimum pressure rating of 350 psig (2.4 MPa) and shall be sizedto provide the required rate of flow.7.5 Piping and tubing shall be secured and protected against damage. Piping shall be run as directly aspossible within the system, using the least amount of fittings as would be practical.
30、 Piping in contact withthe earth, a support member, or other corrosion causing substance shall be protected against corrosionor the piping shall be of corrosion resistant material.7.6 Exposed joints shall be flanged, threaded or made with full strength welds. Tubing joints shall beflared or brazed.7
31、.7 Pipe joint compound shall be used on all threaded connections. The compound shall be suitable forLP-Gas.JUNE 18, 2018 UL 1389 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL7.8 Piping shall be capable of compensating for vibration of use,
32、 thermal expansion of liquids, and thelike. The use of flexible connections is considered to comply with this requirement.7.9 Return bends or restrictive fittings shall not be used in discharge piping.8 Gauges8.1 Pressure Gauges for 1,000 psig (6.9 MPa) and higher shall comply with the requirements
33、in theStandard for Gauges, Indicating Pressure, for Compressed Gas Service, UL 404.8.2 Gauges for pressure under 1,000 psig (6.9 MPa) shall comply with the requirements in the Standardfor Compressed Gas Regulator Accessories, UL 252A.8.3 Pressure gauges shall be attached directly to an opening in th
34、e container, or it shall be connected toa valve or other fitting that is attached directly to an opening in the container.9 Power-Operated Pumps and Bypass Valves9.1 Pumps and bypass valves shall comply with the requirements in the Standard for Power-OperatedPumps and Bypass Valves for Anhydrous Amm
35、onia, LP-Gas, and Propylene, UL 51.9.2 A pump shall be provided with a bypass valve and the bypass valve shall have a flow capacity equalto or greater than the pump in the system, when operated at the differential pressures involved. Bypassvalves shall discharge into the pump inlet or back into the
36、container.9.3 A pump shall be rated for a maximum outlet pressure of 350 psig (2.4 MPa). Bypass valves shall havea service pressure rating of 400 psig (2.8 MPa) minimum.9.4 Pumps shall be installed so that piping connections and the pump housing are not subject to strainfrom connected piping runs. F
37、lexible connectors are a means to comply with this requirement.9.5 Control for the pump shall be provided at the pump or at a minimum as part of the dispensing devicethat the pump feeds.10 Meters10.1 Meters shall comply with the requirements in the Standard for Meters for Flammable andCombustible Li
38、quids and LP-Gas, UL 25.10.2 Meters shall be rated for a minimum service pressure of 350 psig (2.4 MPa).10.3 Meters shall be installed so that piping connections and the meter housing are not subject to strainfrom connected piping runs. Flexible connectors are a means to comply with this requirement
39、.JUNE 18, 2018UL 13898UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL11 Valves11.1 General11.1.1 Valves installed prior to shutoff valves shall be installed within the container or at the pointimmediately outside where the line enters or leav
40、es the container. If installed outside the container, strainshall not cause breakage between the container and the valve.11.2 Safety relief valves11.2.1 The container shall be provided with one or more internal spring-loaded safety relief valves tosafeguard against excessive pressure. The container
41、system shall be provided with additional safety reliefvalves as needed to reduce the risk of rupture of any part of the system. The valves shall comply with therequirements in the Standard for Safety Relief Valves for Anhydrous Ammonia and LP-Gas, UL 132.11.2.2 The start-of-discharge setting of the
42、valves required by 11.2.1 shall be rated as shown in (a) or(b):a) If the valves are located prior to the pump, the rating shall be 250 psig to 275 psig (1.7 MPato 1.9 MPa).b) If the valves are located after the pump, the rating shall be 350 psig to 385 psig (2.4 MPa to2.6 MPa).11.2.3 The flow capaci
43、ty of a safety relief valve shall not be less than that specified in Table 11.1, basedon the total outside surface area of the container in square feet (m2). Discharge piping or tubing providedwith the safety relief valve shall have a flow capacity equal or greater than that of the valve, or shall b
44、eshown to allow the required flow capacity.Table 11.1Safety relief valve flow capacityMinimum required safety-relief valve discharge rate for container assemblies in cubic feet per minute of air at 120percent of the maximum permitted set pressureSurface areasquare feeta(Squaremeters)Flow rate,cubic
45、feetper minute,airb,c(Cubicmeters persecond)Surface area,square feeta(Squaremeters)Flow rate,cubic feetper minute,airb,c(Cubicmeters persecond)20 or less (1.8) 626 (0.3) 170 (15.8) 3620 (1.7)25 (2.3) 751 (0.3) 175 (16.2) 3700 (1.7)30 (2.8) 872 (0.4) 180 (16.7) 3790 (1.8)35 (3.2) 990 (0.5) 185 (17.2)
46、 3880 (1.8)40 (3.7) 1100 (0.5) 190 (17.6) 3960 (1.9)45 (4.2) 1220 (0.6) 195 (18.1) 4050 (1.9)50 (4.6) 1330 (0.6) 200 (18.6) 4130 (1.9)55 (5.1) 1430 (0.7) 210 (19.5) 4300 (2.0)60 (5.6) 1540 (0.7) 220 (20.4) 4470 (2.1)65 (6.0) 1640 (0.8) 230 (21.4) 4630 (2.2)70 (6.5) 1750 (0.8) 240 (22.3) 4800 (2.3)75
47、 (7.0) 1850 (0.9) 250 (23.2) 4960 (2.3)80 (7.4) 1950 (0.9) 260 (24.1) 5130 (2.4)85 (7.9) 2050 (1.0) 270 (25.1) 5290 (2.5)90 (8.4) 2150 (1.0) 280 (26.0) 5450 (2.6)JUNE 18, 2018 UL 1389 9Table 11.1 Continued on Next PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WIT
48、HOUT PERMISSION FROM ULTable 11.1 ContinuedMinimum required safety-relief valve discharge rate for container assemblies in cubic feet per minute of air at 120percent of the maximum permitted set pressureSurface areasquare feeta(Squaremeters)Flow rate,cubic feetper minute,airb,c(Cubicmeters persecond
49、)Surface area,square feeta(Squaremeters)Flow rate,cubic feetper minute,airb,c(Cubicmeters persecond)95 (8.8) 2240 (1.0) 290 (26.9) 5610 (2.6)100 (9.3) 2340 (1.1) 300 (27.9) 5760 (2.7)105 (9.7) 2440 (1.1) 310 (28.8) 5920 (2.8)110 (10.2) 2530 (1.2) 320 (29.7) 6080 (2.9)115 (10.7) 2630 (1.2) 330 (30.6) 6230 (2.9)120 (11.1) 2720 (1.3) 340 (31.6) 6390 (3.0)125 (11.6) 2810 (1.3) 350 (32.5) 6540 (3.1)130 (12.1) 2900 (1.4) 360 (33.4) 6690 (3.1)135 (12.5) 2990 (1.4) 370 (34.4) 6840 (3.2)140 (13.0) 3080 (1.4) 380 (35.3) 7000 (3.3)145 (13.5) 3170 (1.5) 390 (36.2) 7150 (
