1、Designation: F 1114 06Standard Specification forHeat Sanitizing Commercial Pot, Pan, and Utensil StationRack Type Water-Driven Rotary Spray1This standard is issued under the fixed designation F 1114; the number immediately following the designation indicates the year oforiginal adoption or, in the c
2、ase 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, spray-type sta-tionary rack, automatically contr
3、olled, water-driven rotaryspray commercial pot, pan, and utensil washing machines,herein referred to as “the washer.”1.2 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.1.3 The following safety hazards caveat pertains o
4、nly to thetest methods portion, Section 9, of this specification. Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicabil
5、ity of regulatory limita-tions prior to use.2. Referenced Documents2.1 ASTM Standards:2A 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 Sp
6、ecification for Welded Stainless Steel MechanicalTubingA 582/A 582M Specification for Free-Machining StainlessSteel BarsB 127 Specification for Nickel-Copper Alloy (UNSN04400) Plate, Sheet, and StripD 3951 Practice for Commercial PackagingF 760 Specification for Food Service Equipment ManualsF 1021
7、Specification for Feeders, Detergent, Rinse Agent,and Sanitizing Agent for Commercial Dishwashing andGlasswashing Machines2.2 Federal Regulation:329 CFR Part 1910 OSHA Regulations on Safety2.3 NSF International Standards:4NSF/ANSI 3 Commercial Warewashing EquipmentNSF/ANSI 5 Commercial Hot Water Gen
8、erating EquipmentNSF/ANSI 29 Detergent/Chemical Feeders for CommercialSpray-Type Dishwashing MachinesNSF ListingsFood Equipment2.4 Underwriters Laboratories Standard:5UL 921 Commercial Electrical Dishwashers3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 commercial pot, pan, a
9、nd utensil washing machinesmachines that uniformly wash, rinse, and heat-sanitize foodpreparation utensils. The machines are capable of removingphysical soil from properly racked and pre-scrapped items, andsanitizing multiple pots, pans, and utensils. The machinesconsist of the following principal p
10、arts: legs, wash chamber,hood tank, doors, spray assemblies, pumps, motors, controls,piping, valves, heating equipment, and accessories.4. Classification4.1 GeneralThe washers shall be of the types, styles,sizes, and classes specified as follows:4.2 Types:4.2.1 Type IOne rack (up to a nominal capaci
11、ty of 25racks/h).4.2.1.1 Style ATwo doors (pass-through).4.2.1.2 Style BOne door (front-loading).4.2.1.3 Style COne or two doors (corner).4.2.1.4 Style DThree doors (pass-through with frontclean-out door).4.2.2 Type IITwo rack (up to a nominal capacity of 46racks/h).4.2.2.1 Style ATwo doors (pass-th
12、rough).1This specification is under the jurisdiction of ASTM Committee F26 on FoodService Equipment and is the direct responsibility of Subcommittee F26.01 onCleaning and Sanitation Equipment.Current edition approved April 1, 2006. Published April 2006. Originallyapproved in 1988. Last previous edit
13、ion approved in 2000 as F 1114 94 (2000).2For referenced ASTM standards, visit the ASTM website, 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.3Available from U.S.
14、 Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.4Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., AnnArbor, MI 48113-0140.5Available from Underwriters Laboratories (UL), Corporate Progress, 333Pfingsten Rd., N
15、orthbrook, IL 60062.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.2.2.2 Style BThree doors (pass-through with clean-out).4.3 Classes:4.3.1 Class 1Steam heated.4.3.1.1 Mode AInjector.4.3.1.2 Mode BHeat exchange coil.4.3.2 Class 2E
16、lectric heat.5. Ordering Information5.1 Purchasers should select the preferred options permittedin this specification and include in the procurement documentthe following information:5.1.1 Title, designation, and date of this specification.5.1.2 Type, style, class, and mode of machine required (seeS
17、ection 4).5.1.3 Noise level requirements, if other than specified (see8.2).5.1.4 Whether a service-supply valve is required (see 7.5).5.1.5 When a standard 40F (22C) temperature rise steamor electric booster is required. If the required temperature riseis more than 40F (22C) (see 7.14), it should be
18、 specified.5.1.6 Electrical power supply characteristics (current, volt-age, phase, frequency).5.1.7 Whether a detergent feeder is required (see 7.15).5.1.8 Accessory equipment, spare, and maintenance partsrequired, and selected options.5.1.9 Treatment and painting if other than specified (see7.18).
19、5.1.10 When energy consumption profiles, water consump-tion profiles, or productivity profiles are desired (see 9.3).5.1.11 Manufacturers certification, when required (see Sec-tion 10).6. Materials6.1 All materials shall be specified as follows:6.1.1 Materials used shall be free from defects that wo
20、uldadversely affect the performance or maintainability of indi-vidual components of the overall assembly. The machines shallmeet the material requirements of NSF/ANSI 3 where appli-cable.6.1.2 Corrosion-Resistant SteelCorrosion-resisting steelshall conform to the requirements of any 300 series stain
21、lesssteel specified in Specifications A 167, A 276, A 554, andA 582.6.1.3 Corrosion-Resistant MaterialCorrosion-resistingmaterial is material other than corrosion-resistant steel that isequivalent to use in the washer application.6.1.4 Nickel-Copper AlloyNickel-copper alloys shall con-form to the re
22、quirements of Specification B 127.7. Design and Construction7.1 The machines shall meet the design and constructionrequirements for NSF/ANSI 3 where applicable.7.2 The washing machines shall be complete so that whenconnected to the specified source of power, water supply,heating means (steam or elec
23、tric), drainage and detergentfeeder, as applicable, the unit can be used for its intendedfunction. Machines shall be rigid and quiet in operation (see8.2). Parts requiring adjustment or service, or both, shall bereadily accessible. The machine shall wash pots, pans, andutensils by means of a water a
24、nd detergent solution pumpedfrom a tank, and shall final rinse the pots, pans, and utensilswith fresh water from an outside source. Provisions shall bemade to fill the wash tank either directly from the regular hotwater supply with a hand valve or through the booster orsolenoid, or both. The wash, d
25、well, and rinse cycles shall beautomatically controlled. A light shall be provided to indicatewhen the machine is in operation. Machines shall be providedwith tracks of corrosion-resistant steel not less than 0.070-in.(0.178-cm) thick or with other equivalent corrosion-resistingmaterial. They shall
26、have an inside working height, includingthe door height of not less than 27 in. (686 mm) above thetrack.7.3 Piping, Tubing Fittings, and Valves (Installation)Connections shall be readily accessible to facilitate installationand maintenance. Piping, tubing, and valves shall be located,whenever possib
27、le, on the exterior of the machine.7.4 Piping and FittingsWater, steam piping, and fittingsshall be of corrosion-resisting material. Fresh water supply tothe tank shall be discharged not lower than 2 in. (5.08 cm)above the maximum flood level rim, or an effective air gap orvacuum breaker shall be in
28、stalled to prevent backflow inaccordance with NSF/ANSI 3. The drain and other plumbingconnections shall be standard pipe or tubing connections.Drainage piping shall be corrosion-resisting material, or suit-able heat-resisting plastic material. Drains may be joined intoa single trunk line requiring o
29、nly one connection or arranged topermit individual connections to the waste line.7.5 ValvesSteam valves shall be corrosion-resisting ma-terial designed for steam applications and for a saturated steamworking pressure of 50 psi (344.6 kPa). When specified (see5.1.4), a separately packed service suppl
30、y valve shall beprovided for closing the supply of water to the machine. Asuitable closure or drain valve shall be furnished. A permanentidentification on the machine shall show “open” and “closed”positions on the drain. Fresh water rinse valves shall bereliable, fully automatic, and suitable for 21
31、0F (98.9C) water.The manually operated valves, when used, shall be identified.7.6 Spray AssembliesAll spray nozzles and spray armmanifolds shall be of corrosion-resisting materials. All sprayassemblies shall be removable without the use of tools andshall be easy to clean.7.7 TankThe tank shall be co
32、nstructed of not less than0.070-in. (1.78-mm) corrosion-resistant steel, or othercorrosion-resisting material. Single rack (Type I) machinesshall have a minimum capacity of 22 gal. Double-rack (TypeII) machines shall have a minimum capacity of 52 gal.7.8 OverflowThe washer shall have a readily acces
33、sibleoverflow drain in the tank. The overflow unit, or the overflowcover, when provided, shall be removable for cleaning.7.9 Scrap Trays (Strainers)Scrap trays of corrosion-resistant steel, not less than 0.044-in. (1.12-mm) thick, or othercorrosion-resisting material shall be provided to prevent in-
34、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 openingF1114062around the perimeter of the tank where the scrap
35、 trays areinstalled shall be held to a minimum and in no case shall thespace be more than38 in. (9.53 mm).7.10 Access Door(s)Door and door frames shall be con-structed of not less than 0.060-in. (1.52-mm) corrosion-resistant steel, or other corrosion-resisting material, and shallbe rigid or stiffene
36、d as necessary. Loading and unloadingdoor(s) shall be counterbalanced and, when in the openposition, shall electrically interlock the machine so that itcannot operate. Opening the door during operation shallautomatically stop the machine. Door catch(s) shall be pro-vided on inspection door(s) not co
37、unterbalanced. Door(s) shallbe splash-proof and their exposed edges shall be smooth andformed to prevent canting or warping.7.11 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 bea
38、djustable so that the height of the track may be varied from 34to 35 in. (864 to 889 mm) above the floor.7.12 Pump and Motor Assemblies:7.12.1 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 servi
39、cing.7.12.2 PumpPump casings shall be cast iron (see Speci-fication A 436) or corrosion-resisting material and shall have aremovable cover or inspection plate, or be of such a design asto permit ease of accessibility for inspection and removal offoreign items from the impeller and interior. The pump
40、 shalleither be self-draining or equipped with means for draining.The shaft shall be of corrosion-resistant steel, properly alignedand supported. The impeller shall be corrosion-resisting mate-rial or cast iron and shall be in dynamic balance. The pumpshall have at least two ball or roller bearings,
41、 except that whenthe pump and motor are mounted on the same shaft, at leasttwo ball or roller bearings shall be provided for the motor andpump. The pump suction intake shall be provided with acorrosion-resistant strainer or shroud.7.13 HeatingClass 1 and 2 washers shall be capable ofmaintaining requ
42、ired temperature levels in the tank.7.13.1 Class 1, Mode A and B washers shall be suitable foroperation with a steam supply flow pressure of from 20 to 35psi (137.8 to 241.3 kPa). Temperature regulators (thermostats)shall be provided for maintaining the proper water temperaturein the tank. Low water
43、 protection shall be provided. Steam heatwill be provided by tube type heat exchangers or steaminjectors, or a combination of both. Check valves or vacuumbreakers must be used on all injector-type heating units toprevent back siphoning. The minimum and maximum operat-ing pressure shall be specified
44、by the manufacturer.7.13.2 Class 2 machines shall be equipped with electricheater elements and sheaths of 300 series corrosion-resistantsteel or other corrosion-resisting material. They shall beprovided with temperature regulators (thermostats) for main-taining the proper water temperature in the ta
45、nk. Low waterprotection shall be provided.7.14 Final Rinse BoosterFinal rinse booster will not befurnished as a part of the machine unless specified.7.14.1 Steam BoosterWhen specified, the washer shall beprovided with an adjustable automatic steam booster to raisethe temperature of the final rinse w
46、ater from 140F (60C) toat least 180F (82C). The steam booster shall automaticallymaintain the required final rinse water temperature withoutproducing steam within either the steam booster or the watersupply piping from the steam booster to the machine. Thesteam booster may be securely mounted as an
47、integral part ofthe washer in a position that does not interfere with operationand permits attachment of tables or counters. Otherwise, thesteam booster may be furnished separately mounted on its ownlegs and equipped with suitable fittings for connection into thefinal rinse water lines. Required val
48、ves and the temperatureregulator shall be accessible and adjustable. Valve and pipeunions may be installed on the steam booster where required.The final rinse water temperature may be controlled by anautomatic thermostat controlling the input of steam to thesteam booster.7.14.2 Electric BoosterWhen
49、specified, the washer shallbe provided with an electric booster having all necessarycontrols for automatic operation to raise and maintain thetemperature of the final rinse water from 140F (60C) to atleast 180F (82C). The booster shall be designed to operatewith the electric power characteristics specified. The electricbooster may be securely mounted as an integral part of themachine in a position that does not interfere with operation andpermits attachment of tables or counters. Otherwise, theelectric booster may be furnished separatel
