1、Designation: F 1202 06Standard Specification forWashing Machines, Heat Sanitizing, Commercial, Pot, Pan,and Utensil Vertically Oscillating Arm Type1This standard is issued under the fixed designation F 1202; the number immediately following the designation indicates the year oforiginal adoption or,
2、in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers manually fed, motor-drivenvertically oscillating arm t
3、ype, automatically controlled, com-mercial pot, pan, and utensil washing machines, hereinafterreferred to as “the washer.”1.2 The following precautionary statement pertains only tothe test methods portion, Section 9 of this specification: Thisstandard does not purport to address all of the safety co
4、ncerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.22. Referenced Documents2.1 ASTM Standards:2A 120 Specification for Pipe, Steel, Bl
5、ack and Hot-DippedZinc-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 554 Specifi
6、cation for Welded Stainless Steel MechanicalTubingB43 Specification for Seamless Red Brass Pipe, StandardSizesB75 Specification for Seamless Copper TubeB 127 Specification for Nickel-Copper Alloy (UNSN04400) Plate, Sheet, and StripD 3951 Practice for Commercial PackagingF 760 Specification for Food
7、Service Equipment ManualsF 1021 Specification for Feeders, Detergent, Rinse Agent,and Sanitizing Agent for Commercial Dishwashing andGlasswashing Machines2.2 American National Standards:4ANSI SI.4 Specification for Sound Level MetersANSI SI.13 Methods for the Measurement of Sound Pres-sure Levels2.3
8、 Federal Regulation:5OSHA Title 292.4 National Electrical Manufacturers Association Stan-dards:6NEMA ICS Industrial Controls and SystemsNEMA MG-I Motors and Generators2.5 National Fire Protection Association Standard:7NFPA/ANSI 70 National Electrical Code2.6 NSF International Standards:8NSF/ANSI 3 C
9、ommercial Warewashing EquipmentNSF/ANSI 5 Commercial Hot Water Generating EquipmentNSF/ANSI 29 Detergent/Chemical Feeders for CommercialSpray-Type Dishwashing MachinesNSF ListingsFood Equipment2.7 Underwriters Laboratories Standard:9UL 921 Commercial Electric Dishwashers3. Terminology3.1 Definition:
10、3.1.1 commercial pot, pan and utensil washing machinesmachines that uniformly wash, rinse, and heat sanitize foodpreparation utensils. The machines shall be capable of remov-ing physical soil and sanitizing multiple pots, pans, and utensilsfrom properly racked and pre-scraped items. The machinesmay
11、consist of the following principal parts: legs, washchamber, hood, tank, doors, spray assemblies, pumps, motors,controls, piping, valves, heating equipment, and accessories.1This specification is under the jurisdiction of Committee F26 on Food ServiceEquipment and is the direct responsibility of Sub
12、committee F26.01 on Cleaning andSanitation Equipment.Current edition approved April 1, 2006. Published April 2006. Originallyapproved in 1988. Last previous edition approved in 1997 as F 1202 97.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at
13、serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn.4Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036.5Available from U.S. Government Printing Office
14、Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.6Available from National Electrical Manufacturers Association, 2101 L St.N.W., Washington, DC 20037.7Available from National Fire Protection Association (NFPA), 1 BatterymarchPark, Quincy, MA 02269-9101.8Availab
15、le from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., AnnArbor, MI 48113-0140.9Available 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, Unit
16、ed States.4. Classification4.1 GeneralThe washer shall be of the following types,styles, sizes, and classes as specified.4.2 Types:4.2.1 Type IOne rack capacity.4.2.1.1 Style AOne door (front-loading).4.2.1.2 Style BThree doors (pass-through with front loaddoor).4.3 Tank Heat:4.3.1 Style 1Steam heat
17、ed.4.3.1.1 Class AInjection.4.3.1.2 Class BHeat Exchange Coil.4.3.2 Style 2Electric Heat.5. Ordering Information5.1 Purchasers should select the preferred options permittedin this specification and include the following information inthe procurement document:5.1.1 Title, number, and date of this sta
18、ndard type, style, andclass of machine required.5.1.2 A pressure reducing valve, if required (see 7.4).Incoming water pressure must be specified when ordering apressure reduction valve.5.1.3 A standard 40F (22C) temperature rise steam orelectric booster is required. If the required temperature rise
19、ismore than 40F (22C) (see 7.13), it should be specified.5.1.4 Electrical power supply characteristics (voltage,phase, frequency) (see 7.11.3).5.1.5 A detergent feeder, if required (see 7.14).5.1.6 Accessory equipment, spare and maintenance partsrequired, as specified in order.5.1.7 Treatment and pa
20、inting, if other than specified (see7.17).5.1.8 When energy consumption profiles, water consump-tion profiles, or productivity profiles are desired (see 9.3).5.1.9 Manufacturers certification, when required (see Sec-tion 10).6. Materials6.1 All materials shall be specified as follows:6.1.1 Materials
21、 used shall be free from defects that wouldadversely affect the performance or maintainability of indi-vidual components of the overall assembly. The pot, pan, andutensil washing machines shall meet the material, design, andconstruction requirements of NSF/ANSI 3.6.1.2 Corrosion-Resistant SteelCorro
22、sion-resistant steelshall conform to the requirements of any 300 series stainlesssteel specified in 2.1 (see Specification A 167).6.1.3 Corrosion-Resisting MaterialCorrosion-resistingmaterial is other than corrosion-resistant steel that is equivalentin the pot, pan, and utensil washer application.6.
23、1.4 Nickel-Copper AlloyNickel-copper alloys shall con-form to the requirements of Specification B 127.7. Design and Construction7.1 The washer shall be complete so that when connected tothe specified source of power, water supply, heating means(steam or electric), drainage, detergent and rinse agent
24、 feederas applicable, the unit can be used for its intended function.Machines shall be rigid and quiet in operation. Parts requiringadjustment or service, or both, shall be readily accessible. Themachine shall wash pots, pans, and utensils by means of awater and detergent solution pumped from a tank
25、, and shallfinal rinse the pots, pans, and utensils with fresh water from anoutside source at 20 6 5 psi incoming pressure. Provisionsshall be made to fill the wash tank either directly from theregular hot water supply with a hand valve or through thebooster or solenoids, or both. The wash, dwell, a
26、nd rinse cyclesshall be automatically controlled. A light shall be provided toindicate when the machine is in operation. Machines shall beprovided with tracks of corrosion-resistant steel or othercorrosion-resisting material not less than 0.109 in. (2.8 mm).They shall have an inside working height i
27、ncluding the doorheight of not less than 27 in. (686 mm).7.2 Piping, Tubing, Fittings, and Valves (Installation)Connections shall be readily accessible to facilitate installationand maintenance (see Specifications A 120, B 43, B 75, A 554,and).7.3 Piping and FittingsWater, steam piping, and fittings
28、shall be of corrosion-resisting material, or suitable heat-resisting plastic material.7.3.1 Fresh water supply to the tank shall be discharged notlower than 2 in. (50.8 mm) above the maximum flood levelrim, or an effective air gap or vacuum breaker shall be installedto prevent backflow. Backflow pro
29、tection shall be in accor-dance with NSF/ANSI 3. The drain and other plumbingconnections shall be standard pipe or tubing connections.Drains may be joined into a single trunk line requiring only oneconnection or arranged to permit individual connections to thewaste line.7.4 ValvesSteam valves shall
30、be corrosion-resisting ma-terial designed for steam applications and for a saturated steamworking pressure of 50 psi (344.6 kPa). The drain valve shallbe permanently marked to show “open” and “closed” positionsand shall be lever-operated or wheel-operated, ruggedly de-signed for foot or hand operati
31、on except when drain valveclosure is automatic. Fresh water rinse valves shall be reliableand fully automatic and suitable for 210F (98.9C) water. Themanually operated valves, when used, shall be identified.When specified (see 5.1.2), a water pressure reducing valveshall be provided for reducing wat
32、er pressure to 20 6 5 psi (seeANSI SI.4 and ANSI SI.13).7.5 Spray AssembliesAll spray nozzles and spray armmanifolds shall be of corrosion-resisting materials. The mainspray arm assembly shall include separate wash and rinsepipes. The assembly shall be directly connected by means of arod-cam device.
33、 The assembly shall oscillate thereby movingthe spray arms vertically between racked ware. A secondaryspray assembly consisting of water-driven rotary sprays shallbe installed under the work rack.7.6 Tank and HousingThe tank and housing shall beconstructed of not less than 0.070-in. (1.78 mm) corros
34、ion-resistant steel.7.7 OverflowWasher shall have a readily accessible over-flow drain in the tank. The overflow unit, or cover, whenprovided, shall be removable for cleaning.F12020627.8 Scrap Trays (Strainers)Scrap trays of corrosion-resistant steel, not less than 0.044 in. (1.12 mm) thick, or othe
35、rcorrosion-resisting material shall be provided to prevent in-soluble matter and large pieces of food residue from passinginto the tank. The ledges on which the scrap trays rest shall beso designed that surfaces beneath the ledges are easily acces-sible for cleaning when the trays are removed. Any o
36、peningaround the perimeter of the tank where the scrap trays areinstalled shall be held to a minimum and in no case should bemore than 0.375 in. (9.53 mm).7.9 Access Door(s)Door and door frames shall be con-structed of not less than 0.059-in. (1.50-mm) corrosion-resistant steel, or other corrosion-r
37、esisting material, and shallbe rigid and stiffened as necessary. Loading and unloadingdoor(s) shall be counter-balanced and, when in the openposition, shall electrically interlock the machine so that itcannot operate. Opening the door during operation shallautomatically stop the machine. Door(s) sha
38、ll be splash-proofand their exposed edges shall be smooth and formed to preventcanting or warping.7.10 Legs (Feet)The washer shall be rigidly constructedand have four or more legs (feet) made of corrosion-resistantsteel, or other corrosion-resisting material. Legs shall beadjustable, so that the hei
39、ght of the track may be varied from34 to 35 in. (864 to 899 mm) above the floor.7.11 Pump and Motor Assemblies:7.11.1 AssembliesThe pump motor shall be mounted onthe tank or on a rigid steel base. Rotary seals shall be providedfor pump shafts and shall be removable for servicing.7.11.2 PumpPump casi
40、ngs shall be cast iron or corrosion-resisting material and shall be of such a design as to permitease of accessibility for inspection and removal of foreignitems from the impeller and interior (see Specification A 436).The pump shall either be self-draining or equipped with meansfor draining. The sh
41、aft shall be of corrosion-resistant steel,properly aligned and supported (see Specification A 276). Theimpeller shall be corrosion-resisting material or iron alloy andshall be in dynamic balance. The pump shall have at least twoball or roller bearings, except that when the pump and motorare mounted
42、on the same shaft, at least two ball or rollerbearings shall be provided for the motor and pump. The pumpsuction intake shall be provided with a corrosion-resistantstrainer or shroud.7.11.3 MotorThe wash spray assembly shall be motordriven (see NEMA ICS, NEMA MG-1, and NFPA/ANSI 70).The drive shall
43、be outfitted with a safety slip clutch or othermethod to prevent damage from a stalled main spray armassembly.7.12 HeatingStyle 1 and 2 machines shall be capable ofmaintaining required temperature levels in the tank.7.12.1 Style 1Style 1 machines shall be suitable foroperation with a steam supply fl
44、ow pressure of from 20 to 35psi (137.9 to 241.3 kPa). Temperature regulators (thermostats)shall be provided for maintaining the proper water temperaturein the tank. Low water protection shall be provided. Steam heatwill be provided by tube type heat exchangers or steaminjectors, or a combination of
45、both. Check valves or vacuumbreakers must be used on all injector-type heating units toprevent back siphoning. The minimum operating pressure shallbe specified by the manufacturer and the maximum operatingpressure shall not exceed 35 psi (241.3 kPa).7.12.2 Style 2Style 2 machines shall be equipped w
46、ithelectric heater elements and sheaths of 300 series corrosion-resistant steel or other corrosion-resisting material. They shallbe provided with temperature regulators (thermostats) formaintaining the proper water temperature in the tank. Lowwater protection shall be provided.7.13 Final Rinse Boost
47、erFinal rinse booster heater willnot be furnished as a part of the washer unless specified.7.13.1 Steam BoosterWhen specified, meeting NSF/ANSI 5 (see 5.1.3), the washer shall be provided with anadjustable automatic steam booster to raise the temperature ofthe final rinse water from 140F (60C) to at
48、 least 180F(82C). The steam booster shall automatically maintain therequired final rinse water temperature without producing steamwithin either the steam booster or the water supply piping fromthe steam booster to the machine. The steam booster may besecurely mounted as an integral part of the machi
49、ne in aposition that does not interfere with operation and permitsattachment of tables or counters. The steam booster may befurnished separately mounted on its own legs and equippedwith suitable fittings for connection into the final rinse waterlines. Valve and pipe unions shall be installed on the steambooster where the steam and water lines enter the unit. Thefinal rinse water temperature shall be controlled by an auto-matic thermostat controlling the input of steam to the steambooster.7.13.2 Electric BoosterWhen specified, meeting NSF/ANSI
