1、MIL-D-4373B 73 9777906 0241762 7 MIL-D-43738B i9 June 1984 SUPERSEDING 27 December 1972 MIL-D-43738A MILITARY SPECIFICATION DISPENSER, CARBONATED BEVERAGE, MECHANICALLY REFRIGERATED This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scop
2、e. This document covers two types of mechanically refrigerated carbonated beverage dispensers. 1.2 Classification. The dispensers shall be of the followiiig types, classes, styles, and services as specified (see 6.2): Type I - Gravity syrup system (self-contained), counter model Type 11, Size 1 - Pr
3、essure syrup system (360 drinks per 90 minute Type II, Size 2 - Pressure syrup system (600 drinks per 90 minute period) period) Class 1 - One dispensing head Class 2 - Two dispensing heads Class 3 - Three dispensing heads Class 4 - Four dispensing heads Class 5 - Five dispensing heads Style A - Coun
4、ter model Style B - Floor model, self-contained Style C - Floor model, with syrup and CO2 systems remotely located Service 1 - Single-line feeding Service 2 - Dual-line feeding Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this do
5、cument should be addressed to: U.S. Army Natick Research and Development Center, Natick, MA 01760 by using the self-addressed Standardization Document Improve- ment Proposal (DD Form 1426) appearing at the end of this document or by letter. I FSC 7310 Provided by IHSNot for ResaleNo reproduction or
6、networking permitted without license from IHS-,-,-MIL-D-4373B 73 7779706 0243763 7 = ML-D-4-3738B 2. APPLICABLE DOCUMENTS 2.1 Government documents. Unless otherwise specified, the following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this d
7、ocument to the extent specified herein. SPECIFICATIONS FEDERAL PPP-B-6 O1 - Boxes, Wood, Cleated-Plywood PPP-B-62 1 - Boxes, Wood, Nailed and Lock Corner STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes MIL-STD-129 - Marking for Shipment and Storage MIL-ST
8、D-130 - Identification Marking of U.S. Military Property MIL-STD-461 - Electromagnetic Emission and Susceptibility Requirements for the Control of Electro- magnetic Interference MIL-STD-462 - Electromagnetic Interference Characteristics Measurement of MIL-STD-1186 - Cushioning, Anchoring, Bracing, B
9、locking, and Waterproofing, with Appropriate Test Methods (Copies of documents required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 Other publications. Unless otherwise specified,
10、the following documents of the issue in effect on date of invitation for bids or request for propos:al, form a part of this document to the extent specified herein. AMERICAN NATIONAL STANDARDS INSTITUTE, INC., (ANSI) Standard C73 - Dimension of Caps, Plugs, and Receptacles (Application for copies sh
11、ould be addressed to the American National Standards Institute,-Inc;, 1430 Broadway, New York, NY 10018.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-73 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 3951 - Standard Practice for Commercial
12、 Packaging (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103. NATIONAL SANITATION FOUNDATION (NSF) Listing of Food Service Equipment Standard No. 18 - Manual and Beverage Dispensing Equipment (Application for copie
13、s should be addressed to the National Sanitation Foundation, NSF Building, Ann Arbor, MI 48105.) UNDERWRITERS LABORATORIES, INC. Standard 471 - Commercial Refrigerators (Application for copies should be addressed to the Underwriters Laboratories, Inc., 333 Pfingsten Road, Northbrook, IL 60062.) (Tec
14、hnical society and technical association documents are generally available for reference from libraries. They are also distributed among technical groups and using Federal agencies.) * 2.3 Order of precedence. .In the event of a conflict between the document and the references cited herein, the text
15、 of this document text of this sha 11 take precedence. 3. REQUIREMENTS 3.1 First article. When specified, a sample shall be subjected to first article inspection (see 4.3, 6.2 and 6.3). 3.2 Standard product. The dispenser delivered under this document shall be current standard product of the manufac
16、turer, except for changes necessary to meet document requirements; 3.3 Standards. 3.3.1 NSF standard. The dispenser shall conform to the applicable requirements of NSF Standard No. 18. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3.1.1 NSF cer
17、tification. The contractor shall submit: satisfactory evidence to the contracting officer or his authorized representative that the dispenser he proposes to furnish under this document meets the applicable requirement of NSF Standard No. 18 as follows: 1. Listing in the current edition of the NSF “L
18、isting of Food Service Equipment“ and display of the NSF seal on the finished dispenser shall be submitted prior to approval of the first article, if one is submitted, or prior to commencing production, or 2. A certification for the dispenser issued by NSF under their special one-time evaluation cer
19、tification service shall be submitted prior to approval of the first article, if one is submitted, or prior to commencing production, or 3. A current certified test report (within 12 months) for each type, class, style, and service (as applicable) from a recognized independent laboratory acceptable
20、to the medical department of the service for which the dispensers are being procured, indicating that the dispensers have been tested and conform to NSF Standard No. 18 shall be submitted prior to approval of the irst article, if one is submitted, or prior to commencing production. 3.3.2 UL standard
21、. The dispenser shall conform to the applicable require- ments of UL Standard No. 471. 3.3.2.1 UL certification. Prior to approval of the first article, if one is submitted, or prior to commencing production, the contractor shall submit satisfactory evidence to the contracting officer or his authori
22、zed representative that the dispenser he proposes to furnish under this document meets the requirements of UL Standard No, 471. Acceptable evidence of meeting the requirements of this standard shall be the UL Listing Mark, or a current certified test report (within 12 months) acceptable to the Gover
23、nment, from a recognized independent testing laboratory, indicating that the dispenser has been tested and conforms to the applicable requirements of UL Standard 471. 3.4 Materials (see 6.4) and components. Materials and components shall be as specified herein. normally used by the manufacturer in h
24、is standard commercial dispensers provided the completed end item complies with all provisions of this document. Materials not definitely specified shall be of the quality 3.5 Design. When specified (see 6.21, all types, classes, styles and service of dispensers shall be equipped with key lock switc
25、hes. Each dispenser shall be furnished with 2 keys, The key lock switches shall be located on an outside surface and be accessible from the front of the dispenser. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-4373B 73 m 9949906 02Lt3966 Lt
26、 MIL-D-43738B 3.5.1 Styles. * 3.5.1.1 Style A. Style A shall be for counter-top model. The counter-top dispenser shall have a self-contained refrigeration system. On type I dispensers, the syrup tanks shall be integral with the cabinet (CO2 tanks, carbonator and water supply may be remotely located
27、up to 50 feet from the dispenser). Type II dispensers may be designed for use with syrup tanks, CO2 tanks, carbonator and water supply remotely located up to 50 feet from the dispenser. 3.5.1.2 Style B. Style B shall be self-contained dispenser with the carbonator, CO2 tank, syrup and refrigeration
28、unit located within a floor model metal cabinet. The dispenser dimensions shall be not greater than 42 inches long and 30 inches wide and 44 inches high without lighted top sign or 51 inches high with lighted top sign. 3.5.1.2.1 Cabinet. The cabinet shall be constructed of stainless steel and framed
29、 to prevent the cabinet top from flexing more than 1/8 inch when subjected to loading specified in 4.6.1.2. Internal components shall be accessible through doors or panels installed with heavy-duty hardware. The dispensing nozzles shall be a minimum 7 inches and not more than 9 inches above the drip
30、 tray. The cabinet shall have a minimum storage for eight 5-gallon syrup tanks and one 20-pound capacity CO2 tank. 3.5.1.3 Style C. Style C shall be a floor type dispenser with a self- contained refrigeration unit. The syrup tanks, CO2 tanks, carbonator and water supply may be remotely located up to
31、 50 feet from the dispenser. The dispenser dimensions shall be not greater than 22 inches wide, 27 inches deep, and 44 inches high without top lighted sign or 51 inches high with top lighted sign. 3.5.1.3.1 Cabinet. The cabinet shall be constructed of stainless steel and framed to prevent the cabine
32、t top from flexing more than 1/8 inch when subjected to load specified in 4.6.1.2. The internal refrigeration unit shall be accessible through doors or panels installed with heavy duty hardware. The dispensing nozzles shall be a minimum of 7 inches and not more than 9 inches above the drip tray. 3.5
33、.2 Types. 3.5.2.1 Type I. The type I dispenser shall be mechanically refrigerated gravity syrup feed capable of dispensing carbonated and non-carbonated beverages and water. The mechanical refrigeration system with hermetic compressor shall continuously maintain drink temperature without ice not gre
34、ater than 42OF. at a rate of three 6-ounce drinks per minute, in a 90F. ambient and 65 percent relative humidity. The carbonator shall be capable of supplying a finished 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-Ll373B 73 m 7777706 02Li
35、L7b7 b m MIL-D-43738B drink carbonation- level at: a-minimum of 3 gas volumes with the inlet water temperature ranging form 500 to 90F1 water supply pressure shall range from 15 to 80 pounds per square inch gage (psig) and appropriate carbon dioxide (COZ) pressure (see 4.6.1.1). condenser cooling ai
36、r discharge shall face upward. Condensation shall not appear on external surfaces when operated in 900F, ambient temperature and 60 percent relative humidity. When specified (see 6.21, liquid shall not spill from any-part of dispenser, including drip pans, when the dispenser is inclined up to 15 deg
37、rees from the vertical in any direction. Easily accessible connections with quick disconnect ball lock fittings shall be provided for cold water and GO2 gas supply and fittings shall be non-interchangeable with each other. Unless otherwise specified (see 6.21, dispensers shall be designed to operate
38、 on a nominal 120 volt, single phase, 60 hertz, alternating current electric system. A three-wire power-supply cord with a three-prong attachment plug cap shall be provided and shall extend 6 and not more than 9 feet beyond the point beyond the point at which it is attached to the back of the cabine
39、t. The cord and plug shall provide grounding of the dispenser. When 50 hertz operation is specified (see 6.21, a UL approved, 3 wire power-supply cord compatible with dispenser being furnished shall be provided without the attachment-plug cap. When specified for 50 hertz, the power-supply cord shall
40、 be provided with an attachment-plug cap in accordance with ANSI C73 Standard. Each post-mix valve shall give a constant rate of flow, controlling the water and syrup to provide the syrup manufacturers recommended brix using syrup temperatures ranging from 40 to 90F. Valve shall be electrically oper
41、ated only and shall be equipped with solenoids rated for continuous duty. Brix stratification in the finished drink shall be + 0.5 of the syrup manufacturers recommended brix from top to bottom (see 4.6.1,l). adjustable to obtain desired brix. Each valve shall be removable with the normal hand tools
42、 for servicing without interrupting the other dispensing valves. portion of glass and glass contents. and a drip-pan under the dispensing valves. filter shall be furnished. type, constructed of corrosion resistant metals and shall be capable of removing particles of turbidity larger than two microns
43、 in size and 3.0 ppm chlorine from the influent water and shall be of the type that presently exist in the military supply system. dispensing position. damage to the surface it rests on. Four holes for 318 inch bolts shall be provided in the style A dispenser base for fastening the dispenser to the
44、counter. The system shall be complete and ready to operate when connected to the electrical COZ, and water supplies. When specified (see 6.21, for permanent installation on style B units a means shali be provided for anchoring to the deck or bulkhead. Unless otherwise.specified (see 6.2), The Syrup
45、flow shall be Dispensing nozzles shall be designed to prevent contact with upper Drains shall be provided for condensation When specified (see 6.2), a water The filter shall be of the replaceable cartridge Directions and customer controls shall be accessible from the The base shall be provided with
46、protectors to prevent 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILD-LI3738B 73 7779706 02LIL76 MIL-D-43738B * 3.5.2.2 Type II; The type 11 dispenser shall be mechanically refrigerated, pressurized carbonated and non-carbonated beverage; and
47、water dispenser. mechanically refrigerated system with hermetic unit shall continuously maintain drink temperatures not greater than 420F. Unless otherwise specified (see 6.2), the type II, size 1 performance rate shall be 360 6-ounce drinks per 90 minute period, and the type II, size 2 performance
48、rate shall be 600 6-ounce drinks per 90 minute period when inlet water, syrup, and ambient temperatures are 50 to 90F. When specified (see 6.21, liquid shall not spill from any part of the dispenser, including drip-pans, when the dispenser is inclined up to 15 degrees from the vertical in any direct
49、ion. A carbonator shall be capable of supplying finished drink carbonation levels of at least a minimum of 3 gas volumes with inlet water temperature ranging from 500 to 900F. Unless otherwise specified (see 6-21, water supply pressure shall range from 15 to 80 psig, and appropriate CO2 pressure (see 4.6.1.2). Easily accessible connections with quick disconnect ball lock fittings shall be provided for cold water, syrup, and CO2 gas supply and all fitt
