1、Designation: F 917 91 (Reapproved 2008)1Standard Specification forCommercial Food Waste Disposers1This standard is issued under the fixed designation F 917; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision.
2、 A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1NOTEEditorially corrected Footnote 4 in December 2008.1. Scope
3、1.1 This specification covers commercial food waste dispos-ers intended for the grinding of food waste.2. Referenced Documents2.1 ASTM Standards:2A 29/A 29M Specification for Steel Bars, Carbon andAlloy,Hot-Wrought, General Requirements forA 120 Specification for Pipe, Steel, Black and Hot-DippedZin
4、c-Coated (Galvanized) Welded and Seamless for Ordi-nary Uses3A 167 Specification for Stainless and Heat-ResistingChromium-Nickel Steel Plate, Sheet, and StripA 276 Specification for Stainless Steel Bars and ShapesA 436 Specification for Austenitic Gray Iron CastingsA 532/A 532M Specification for Abr
5、asion-Resistant CastIronsA 554 Specification for Welded Stainless Steel MechanicalTubingA 582/A 582M Specification for Free-Machining StainlessSteel BarsA 681 Specification for Tool Steels AlloyB 26/B 26M Specification for Aluminum-Alloy Sand Cast-ingsB43 Specification for Seamless Red Brass Pipe, S
6、tandardSizesB75 Specification for Seamless Copper TubeB 108 Specification for Aluminum-Alloy Permanent MoldCastingsD 2000 Classification System for Rubber Products in Auto-motive ApplicationsD 2287 Specification for Nonrigid Vinyl Chloride Polymerand Copolymer Molding and Extrusion CompoundsD 3951 P
7、ractice for Commercial PackagingE18 Test Methods for Rockwell Hardness of MetallicMaterialsE 1842 Standard Test Method for Macro-Rockwell Hard-ness Testing of Metallic Materials3F 104 Classification System for Nonmetallic Gasket Mate-rialsF 760 Specification for Food Service Equipment Manuals2.2 Oth
8、er Publications:ASSE No. 1009 Commercial Food Waste Disposer Units4UL 430 Waste Disposers53. Terminology3.1 Definition: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. Food wastes can be cookedor n
9、oncooked 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 chamber, flywheel, shredder ri
10、ng,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.1This specification is under the jurisdiction of ASTM Committee F26 on FoodService Equ
11、ipment and is the direct responsibility of Subcommittee F26.01 onCleaning and Sanitation Equipment.Current edition approved Oct. 1, 2008. Published December 2008. Originallyapproved in 1985. Last previous edition approved in 2003 as F 917 91 (2003).2For referenced ASTM standards, visit the ASTM webs
12、ite, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.4Available from A
13、SSE International, 901 Canterbury, Suite A, Westlake, OH44145.5Available from Underwriters Laboratories (UL), Corporate Progress, 333Pfingsten Rd., Northbrook, IL 60062.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.2 Horsepowers
14、and drain sizes shall be as specified inTable 1.5. Ordering Information5.1 Purchasers should select the preferred options andinclude the following information in purchasing document:5.1.1 Title, number, and date of this standard.5.1.2 Type, horsepower, and drain size required (see Section4).5.1.3 El
15、ectrical power supply characteristics (HP, voltage,phase, 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 breake
16、r, flow control(s), sil-verware trap, and splash guard.5.2 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, a
17、ssemblies, accessories, and spare parts.6. Materials and 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 Resistan
18、t SteelCorrosion-resistant steeland heat resisting steel shall conform to the requirements ofany 300 or 400 series steel specified in Specifications A 167,A 554, A 276, and A 582.6.1.3 Aluminum AlloyAluminum alloy shall conform tothe requirements specified in Specification B 108 or Specifica-tion B
19、26.6.1.4 Abrasion-Resistant Cast IronAbrasion-resistant castiron shall conform to the requirements specified in Specifica-tion A 532.6.1.5 Austenitic Gray IronAustenitic gray iron shall con-form to the requirements specified in Specification A 436.6.1.6 Copper TubeCopper tube used for water supplysh
20、all conform to the requirements specified in SpecificationB75.6.1.7 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 A 681 and Specification A 29.6.1.9
21、 Black and Galvanized PipeBlack and galvanizedpipe shall conform to the requirements specified in Specifica-tion A 120.6.1.10 Gaskets/SealsAll gaskets and seals shall conformto the requirements specified in Specification D 2287, Speci-fication D 2000, and Classification F 104.7. Construction Require
22、ments Construction Requirements7.1 General:7.1.1 The disposer shall be 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 cutt
23、ing blocks coming in close contact with astationary shredder ring with 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 di
24、sposer is stopped, or water flow maycontinue until a delay timer automatically 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
25、both, when provided, shall be ofcorrosion-resisting materials. Solenoid valves shall be fullyautomatic and suitable for 100F (37.8C) water.7.3 Hopper (Upper Housing)Hoppers shall be ofcorrosion-resistant steel, nonferrous corrosion-resistant mate-rial, cast iron, coated carbon steel, or equivalent.
26、Material shallbe of 0.045-in. (1.143-mm) minimum thickness sheet metal or0.125-in. (3.18-mm) minimum thickness cast material.7.4 Grind Chamber (Lower Housing)Grind chambershall be of corrosion resistant steel, nonferrous corrosion-resisting material, or cast iron. Material shall be of 0.100-in.(2.54
27、-mm) minimum thickness cast material.7.5 Shredder RingShredder rings shall 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 thick
28、ness of 0.125-in. (3.18mm). Hardness of the material shall be RB70 minimum.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
29、 shaft into bearings ormotor.7.9 BearingsDisposer bearings shall be tapered roller orball type.7.10 MotorMotors shall be single phase or three phase,60 Hz, rated from 1/2 HP to 10 HP. Thermal overloadTABLE 1 Recommended Horsepower and Drain SizeADrainSizeLight Duty Medium Duty Heavy Duty Flow Rate12
30、34 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 used, depending on waste load, drain size, and configuration.F 917 91 (2008)12protection shall be provided either on the motor or
31、in thedisposer control circuitry.7.11 Wiring and Circuit Protective DevicesAll wiring andcircuit protective devices shall be in accordance with UL 430.7.12 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
32、, lowering, and leveling thedisposer.7.13 Plating, Coating, and Painting Unless otherwisespecified, 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 requir
33、ements of UL 430and ASSE 1009.9. Test Method9.1 Leakage and Operation TestTest each 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
34、 the purchasedocument.10.2 UL CertificationAcceptable evidence of meeting therequirements 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-resistan
35、t material securely attached to themachine at the source of manufacture. Identification 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 Manufacturer
36、s standard commercial publications shallinclude the following information:12.1.1 Installation 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 F 760.13. Quality Assurance13.1 Unless otherw
37、ise specified in the contract or purchaseorder, the manufacturer is responsible for the 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
38、the machine requirements specified herein.14. Packaging Requirements14.1 Unless otherwise specified, packaging shall be manu-facturers standard commercial packaging as meets interstateshipping requirements and in accordance with Practice D 3951.15. Keywords15.1 disposers; food waste; garbage; grinde
39、r; shredderSUPPLEMENTARY REQUIREMENTSS1. When specified in the purchase order, supplementaryrequirements 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,
40、 or trademark of the manufacturerof such name character as to be readily traceable to 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 i
41、n connection with any item mentionedin this standard. Users of this standard are expressly 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 r
42、esponsible technical committee and must be reviewed every five years andif not revised, 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 car
43、eful consideration at a meeting of theresponsible technical committee, which you may attend. 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 Internation
44、al, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).F 917 91 (2008)13
