1、Designation: F917 14 An American National StandardStandard Specification forCommercial Food Waste Disposers1This standard is issued under the fixed designation F917; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, the year of last
2、revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope1.1 This specification covers commercial
3、food waste dispos-ers intended for the grinding of food waste.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2. Referenced Documents
4、2.1 ASTM Standards:2A29/A29M Specification for General Requirements for SteelBars, Carbon and Alloy, Hot-WroughtA53/A53M Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessA240 Specification for Chromium and Chromium-NickelStainless Steel Plate, Sheet, and Strip for
5、 Pressure Vesselsand for General ApplicationsA276 Specification for Stainless Steel Bars and ShapesA436 Specification for Austenitic Gray Iron CastingsA532/A532M Specification for Abrasion-Resistant CastIronsA554 Specification for Welded Stainless Steel MechanicalTubingA582/A582M Specification for F
6、ree-Machining StainlessSteel BarsA681 Specification for Tool Steels AlloyB26/B26M Specification for Aluminum-Alloy Sand Cast-ingsB43 Specification for Seamless Red Brass Pipe, StandardSizesB75 Specification for Seamless Copper TubeB108 Specification for Aluminum-Alloy Permanent MoldCastingsD2000 Cla
7、ssification System for Rubber Products in Auto-motive ApplicationsD2287 Specification for Nonrigid Vinyl Chloride Polymerand Copolymer Molding and Extrusion CompoundsD3951 Practice for Commercial PackagingF104 Classification System for Nonmetallic Gasket Materi-alsF760 Specification for Food Service
8、 Equipment Manuals2.2 Other Publications:ASSE No. 1009 Commercial Food Waste Disposer Units3UL 430 Waste Disposers43. Terminology3.1 Definitions:3.1.1 commercial food waste disposerintended for grind-ing food waste into small particles which are then flushed bywater into a sanitary sewer system. Foo
9、d wastes can be cookedor noncooked soils from the preparation or serving of foods.Disposers are not intended to be used for grinding glass, china,metals, clam or oyster shells, large bones, wood, paper,cardboard, or plastic. A disposer shall consist of the followingprincipal parts: Motor, grind cham
10、ber, flywheel, shredder ring,hopper, leg(s) (see 7.12).4. Classification4.1 Commercial disposers shall be of the following types:4.1.1 Type 1Cone.4.1.2 Type IISink.4.1.3 Type IIITrough mounted.4.1.4 Type IVFree standing.4.1.5 Type VSpecial.4.2 Horsepower and drain sizes shall be as specified inTable
11、 1.5. Ordering Information5.1 Purchasers should select the preferred options andinclude the following information in purchasing document:1This specification is under the jurisdiction of ASTM Committee F26 on FoodService Equipment and is the direct responsibility of Subcommittee F26.01 onCleaning and
12、 Sanitation Equipment.Current edition approved June 1, 2014. Published July 2014. Originally approvedin 1985. Last previous edition approved in 2008 as F917 91 (2008)1. DOI:10.1520/F0917-14.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at servi
13、ceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from ASSE International, 18927 Hickory Creek Drive, Suite 220Mokena, Illinois 60448.4Available from Underwriters Laboratories (UL), 333 Pfingsten Rd.,Northbrook
14、, IL 60062.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States15.1.1 Title, number, and date of this standard.5.1.2 Type, horsepower, and drain size required (see Section4).5.1.3 Electrical power supply characteristics (HP, voltage,phase,
15、 frequency).5.1.4 Spare and maintenance parts required.5.1.5 Control panel, manual, magnetic, special, or motor-reversing control, manual or automatic.5.1.6 Accessory equipment as required, such as: waterinlet(s), solenoid valve, vacuum breaker, flow control(s), sil-verware trap, and splash guard.5.
16、2 Interchangeability of ItemsAll disposers of the samemodel and material list designation furnished with similaroptions under a specific purchase order shall be identical to theextent necessary to ensure interchangeability of componentparts, assemblies, accessories, and spare parts.6. Materials and
17、Design6.1 All materials shall be as specified as follows:6.1.1 Materials used shall be free from defects that wouldadversely affect the performance or maintenance ability ofindividual components of the overall assembly.6.1.2 Corrosion Resistant SteelCorrosion-resistant steeland heat resisting steel
18、shall conform to the requirements ofany 300 or 400 series steel specified in Specifications A240,A554, A276, and A582/A582M.6.1.3 Aluminum AlloyAluminum alloy shall conform tothe requirements specified in Specification B108 or Specifica-tion B26/B26M.6.1.4 Abrasion-Resistant Cast IronAbrasion-resist
19、ant castiron shall conform to the requirements specified in Specifica-tion A532/A532M.6.1.5 Austenitic Gray IronAustenitic gray iron shall con-form to the requirements specified in Specification A436.6.1.6 Copper TubeCopper tube used for water supplyshall conform to the requirements specified in Spe
20、cificationB75.6.1.7 Brass PipeBrass pipe used for water supply shallconform to the requirements specified in Specification B43.6.1.8 Alloy SteelAlloy steel shall conform to the require-ments specified in Specification A681 and Specification A29/A29M.6.1.9 Black and Galvanized PipeBlack and galvanize
21、dpipe shall conform to the requirements specified in Specifica-tion A53/A53M.6.1.10 Gaskets/SealsAll gaskets and seals shall conformto the requirements specified in Specification D2287, Specifi-cation D2000, and Classification F104.7. Construction Requirements7.1 General:7.1.1 The disposer shall be
22、complete, ready for water, waste,and electrical connection; freestanding or with provision tomount to sink, or cone, or trough, or special support mount.7.1.2 The disposer shall grind soil by means of a rotatingflywheel with cutting blocks coming in close contact with astationary shredder ring with
23、multiple cutting edges. Finelyground soil is carried to drain by a continuous water flow.7.1.3 When supplied with a control panel, water flow shallbegin automatically when the disposer is started, water flowshall stop when the disposer is stopped, or water flow maycontinue until a delay timer automa
24、tically shuts off the water.7.1.4 Water shall flow into the disposer from the hopper,cone, sink, trough, or special mount to which it is connected.7.2 Valves and FittingsFlow valves and fittings or freshwater solenoid valves, or both, when provided, shall be ofcorrosion-resisting materials. Solenoid
25、 valves shall be fullyautomatic and suitable for 100F (37.8C) water.7.3 Hopper (Upper Housing)Hoppers shall be ofcorrosion-resistant steel, nonferrous corrosion-resistantmaterial, cast iron, coated carbon steel, or equivalent. Materialshall be of 0.045-in. (1.143-mm) minimum thickness sheetmetal or
26、0.125-in. (3.18-mm) minimum thickness cast material.7.4 Grind Chamber (Lower Housing)Grind chamber shallbe of corrosion resistant steel, nonferrous corrosion-resistingmaterial, or cast iron. Material shall be of 0.100-in. (2.54-mm)minimum thickness cast material.7.5 Shredder RingShredder rings shall
27、 be of abrasion-resistant steel or iron with minimum thickness of 0.125-in.(3.18 mm). Material hardness shall be Rockwell “C” 40minimum.7.6 FlywheelFlywheels shall be of iron or alloy steelcasting or forging with minimum thickness of 0.125-in. (3.18mm). Hardness of the material shall be RB70 minimum
28、.7.7 Cutting TeethCutting teeth shall be of corrosion-resistant or alloy steel or iron. Material shall be hardened to RC45 minimum.7.8 Water SealA water seal shall be provided to keep soiland water from passing along the drive shaft into bearings ormotor.7.9 BearingsDisposer bearings shall be tapere
29、d roller orball type.7.10 MotorMotors shall be single phase or three phase, 60Hz, rated from 1/2 HP to 10 HP. Thermal overload protectionshall be provided either on the motor or in the disposer controlcircuitry.7.11 Wiring and Circuit Protective DevicesAll wiring andcircuit protective devices shall
30、be in accordance with UL 430.TABLE 1 Recommended Horsepower and Drain SizeADrainSizeLight Duty Medium Duty Heavy Duty Flow Rate1234 1114 112 2 3 5 7 10 GPM112 in. (3.81 cm) X X X X X 5 (18.9 l/m)2 in. (5.08 cm) X X X X X 8 (30.3 l/m)3 in. (7.62 cm) X X X X X 10 (37.8 l/m)AMore or less water may be u
31、sed, depending on waste load, drain size, and configuration.F917 1427.12 Support Leg(s)Machines weighing over 100 lbs(45.4 kg) shall be supported by at least one leg. The leg(s) shallhave an adjusting foot for raising, lowering, and leveling thedisposer.7.13 Plating, Coating, and PaintingUnless othe
32、rwisespecified, disposers or their individual components shall beplated, coated, or painted in accordance with the manufactur-ers standard practice.8. Performance Requirements8.1 Disposers shall conform to the requirements of UL 430and ASSE 1009.9. Test Method9.1 Leakage and Operation TestTest each
33、disposer forleakage and operation in accordance with the manufacturersstandard practice.10. Certification10.1 Certification of compliance with the standards cited inthis specification shall be provided if required in the purchasedocument.10.2 UL CertificationAcceptable evidence of meeting therequire
34、ments of UL 430 shall be UL listing, UL label, or acertified test report from a recognized independent testing lab.11. Product Marking11.1 Identification shall be permanently and legibly markedon a corrosion-resistant material securely attached to themachine at the source of manufacture. Identificat
35、ion shallinclude the manufacturers model and serial number, name andtrade name to be readily identifiable. Information required byUL 430 shall be included on the data plate.12. Instructional Material12.1 Manufacturers standard commercial publications shallinclude the following information:12.1.1 Ins
36、tallation Instructions,12.1.2 Operating guide,12.1.3 Routine maintenance and service procedures,12.1.4 Replacement parts list.12.2 Manuals shall comply with Specification F760.13. Quality Assurance13.1 Unless otherwise specified in the contract or purchaseorder, the manufacturer is responsible for t
37、he performance ofall requirements as specified in this specification. Except asspecified in the contract or purchase order, the manufacturermay test at his own or any other facilities suitable for theperformance of the machine requirements specified herein.14. Packaging Requirements14.1 Unless other
38、wise specified, packaging shall be manu-facturers standard commercial packaging as meets interstateshipping requirements and in accordance with Practice D3951.15. Keywords15.1 disposers; food waste; garbage; grinder; shredderSUPPLEMENTARY REQUIREMENTSS1. When specified in the purchase order, supplem
39、entaryrequirements shall apply when this standard is used in govern-ment procurement of commercial food waste disposers. Theidentification plate shall include the contract number, nationalstock number, name, brand, or trademark of the manufacturerof such name character as to be readily traceable to
40、themanufacturer.S2. Navy SupplementThe unit shall be furnished with awatertight control box in accordance with UL/NEMA 12.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expre
41、ssly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised
42、, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may a
43、ttend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States
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