1、Designation: F 917 91 (Reapproved 2003)Standard 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 (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers commercial food waste dis
3、pos-ers intended for the grinding of food waste.2. Referenced Documents2.1 ASTM Standards:A 29/A 29M Specification for Steel Bars, Carbon and Alloy,Hot-Wrought and Cold-Finished, General Requirementsfor2A 120 Specification for Pipe, Steel, Black and Hot-Dipped,Zinc-Coated (Galvanized) Welded and Sea
4、mless, for Or-dinary Uses3A 167 Specification for Stainless and Heat-ResistingChromium-Nickel Steel Plate, Sheet, and Strip4A 276 Specification for Stainless Steel Bars and Shapes4A 436 Specification for Austenitic Gray Iron Castings5A 532/A 532M Specification for Abrasion-Resistant CastIrons5A 554
5、Specification for Welded Stainless Steel MechanicalTubing6A 582/A 582M Specification for Free-Machining StainlessSteel Bars4A 681 Specification for Tools Steel Alloy2B 26/B 26M Specification for Aluminum-Alloy Sand Cast-ings7B 43 Specification for Seamless Red Brass Pipe, StandardSizes8B 75 Specific
6、ation for Seamless Copper Tube8B 108 Specification for Aluminum-Alloy Permanent MoldCastings7D 2000 Classification System for Rubber Products in Auto-motive Applications9D 2287 Specification for Nonrigid Vinyl Chloride Polymerand Copolymer Molding and Extrusion Compounds10D 3951 Practice for Commerc
7、ial Packaging11E 18 Test Methods for Rockwell Hardness and RockwellSuperficial Hardness of Metallic Materials12E 1842 Test Method for Macro-Rockwell Hardness Testingof Metallic Materials13F 104 Classification System for Nonmetallic Gasket Mate-rials9F 760 Specification for Food Service Equipment Man
8、uals142.2 Other Publications:ASSE No. 1009 Commercial Food Waste Disposer Units15UL 430 Waste Disposers163. 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 ca
9、n 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 chamber, flywhe
10、el, 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.1This specification is under the jurisdiction of ASTM Committee F26 on FoodService Equipment and is the direct responsibility of Subcommittee F26.0
11、1 onCleaning and Sanitation Equipment.Current edition approved Sept. 10, 2003. Published Sept. 2003. Originallyapproved in 1985. Last previous edition approved in 1998 as F 917 91 (1998).2Annual Book of ASTM Standards, Vol 01.05.3Discontinued, see 1986 Annual Book of ASTM Standards, Vol 01.01.4Annua
12、l Book of ASTM Standards, Vol 01.03.5Annual Book of ASTM Standards, Vol 01.02.6Annual Book of ASTM Standards, Vol 01.01.7Annual Book of ASTM Standards, Vol 02.02.8Annual Book of ASTM Standards, Vol 02.01.9Annual Book of ASTM Standards, Vol 09.02.10Annual Book of ASTM Standards, Vol 08.01.11Annual Bo
13、ok of ASTM Standards, Vol 15.09.12Annual Book of ASTM Standards, Vol 03.01.13Discontinued, see 2001 Annual Book of ASTM Standards, Vol 03.01.14Annual Book of ASTM Standards, Vol 15.08.15Available from American Society of Sanitary Engineering, P. O. Box 9712,Bay Village, OH 44140.16Available from Und
14、erwriters 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.4.1.3 Type IIITrough mounted.4.1.4 Type IVFree standing.4.1.5 Type VSpecial.4.2 Horsepowers and d
15、rain 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 Electri
16、cal 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 breaker, fl
17、ow 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, assemb
18、lies, 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 Resistant Ste
19、elCorrosion-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 26.6.
20、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 supplyshall c
21、onform to the requirements specified in SpecificationB 75.6.1.7 Brass PipeBrass pipe used for water supply shallconform to the requirements specified in Specification B 43.6.1.8 Alloy SteelAlloy steel shall conform to the require-ments specified in Specification A 681 and Specification A 29.6.1.9 Bl
22、ack 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 Requiremen
23、ts7.1 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 cutting blocks coming in close co
24、ntact 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 disposer is stopped, or water f
25、low 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 both, when provided, shall be
26、 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. Material shallbe of 0.045-in.
27、 (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-mm) minimum thickness cast m
28、aterial.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 thickness of 0.125-in. (3.18mm). H
29、ardness 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 shaft into bearings ormotor.
30、7.9 BearingsDisposer bearings shall be tapered roller orball type.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 (
31、37.8 l/m)AMore or less water may be used, depending on waste load, drain size, and configuration.F 917 91 (2003)27.10 MotorMotors shall be single phase or three phase,60 Hz, rated from 1/2 HP to 10 HP. Thermal overloadprotection shall be provided either on the motor or in thedisposer control circuit
32、ry.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, lowering, and leveling thedi
33、sposer.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 requirements of UL 430and ASSE 1009.
34、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 the purchasedocument.10.2 UL
35、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-resistant material securely attached t
36、o 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 Manufacturers standard commercial publicat
37、ions 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 otherwise specified in the contract
38、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 the machine requirements speci
39、fied 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; grinder; shredderSUPPLEMENTARY REQUI
40、REMENTSS1. 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, or trademark of the manufactu
41、rerof 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 in connection with any item men
42、tionedin 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 responsible technical committee
43、 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 careful consideration at a meetin
44、g 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 International, 100 Barr Harbor Drive, PO
45、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 (2003)3
