1、I A-A-52 027 26 February 1991 CXXiMERCIXG ITEM DFSCRIFIION HTMPING UNIT, FRAME KXJNTED, 1-1/2 I“, F,LEC!IFUC MCYIR DRIVEN, 35 GPM AT 25FEETnTrAzIHEAD The General Services Administration has authorized the use of this comrcial itan description in preference to MIGP-53065. This item description covers
2、 an electric mtor driven pumping unit and the ascociated hoses and fittings. total head. The pump has a capacity of 35 GPM at 25 feet Salient characteristicc: Genemi When specific requirements are not state herein, all it- listed as stanar equipment in the manufacturers published specifications, bro
3、chures, and catalogs which are nonnaily furnished to the commercial customer as standard equipment shall be furnished. in addition, the pumping units shall be equipped with optionai equipment and accessories as required to comply with the performance requirements specified herein. Optional equipment
4、 for the purpose of this item description my be defined as equipment not standard and not normally furnished with the pumping units but wkich is available to the oommerciai customer on an optional basis. Any additional equipment or accessories needed to satisfy military requirements not stated herei
5、n shall be specified in the contract or order. The additional equipment shall be constructed, assembled, and equipped with all cmponents (whether or not specified herein) necessary to enable the unit to function reliably and efficiently in sustained operation. The pumph-g units shall confonn to all
6、Feeral la-; and regulations applicable for this type equipment which are in effect on date of contract award. Beneficial commentC, reccsmmendations, additions, deletions, clarifications, etc. an other data which may inprove this document should be sent by letter to: -er, US zmny mivoir RWSXC, Deveop
7、ent and ineering center, Am: STRBEJISE, Fort Belvoir, VA 22060-5606. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52027 43 M 9999974 00b05Lb T M A-A-52027 Desicm and perfomiance. i?urm. The pump shall be self priming and either the centrifugal
8、 or the positive displacement type. The pump case and all the internal working parts which contact the pumped fluid shall be of a nonspar- material corirpatible with diesel fuel, kerosene, and leaded gasoline. casing shall incorporate a drain receptacle and have the suction and discharge ports ident
9、ified by casts in the cas-. be cast in the centrifugal pump cas- to indicate the direction of ircrpeer rotation. The pump shall be equippea with self-lubricating mechanical seals. a maxd of 40-mesh openings. The pump shall be =le of transferring from 35 to 50 GPM of diesel fuel in the viscosity rang
10、e of 1.3 to 5.0 centistokes at 20 “C at 20 feet of head. The pump shall prh within two minutes on a 5-foot static suction lift and shall deliver fuel at its rated capacity when positioned at an angle up to 15 degrees from the horizontal. The positive displacement pump shall be provided with a bypass
11、 system to avoid overpressurization of the hose assemblies when at a no-flow condition. The pump A direction arrow shall The pump shall be furnished with a suction strainer with Electric mtor. The mtor shall conform to NEM24 MG-1, be direct current, The mtor 24 volt, totally enclosed, non-ventilated
12、, and water-proof. shall be explosion-proof and conform to UL 674 for class I, groups C and D and class II, groups F and G. The electric motor shall be equipped with a themstat to sense approaching overheat conditions and shut off the motor before damage occurs. circuit and overload protection. The
13、electrical circuitry, including all components and connections that are not hermetically sealed or inherently resistant, shall be protected from the effects of moisture and fungus gr-. The electric motor shall be provided with short Protective frame. The unit shall be housed in a protective frame. T
14、he The frame complete assembly shall be a maximum size of 28 inches long, 18 inches wide, and 18 inches high, with a maximum weight of 80 pout- and objects from electrical shock hazard. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52 027 Qua
15、lity assurance. Presence of one or mre defects shall be cause for rejection. The pumps shall be examined for the following defects. 1. 2. 3. 4. Accessories not as specified. 5. 6. Safety not as specified. 7. Color not as specified. Pump design and performnce not as specified. Electric mtor design an
16、d performance not as specified. Protective frame design and performance not as specified. Preservation, packing, and marking not as specified in the contract or Order. Notes: herein and include the folloiwhq information in procurement documnts: Title, number, and date of this item description. Any a
17、dditional equipment or accessories needed to satisfy military requirements. =vel of presemtion, packing, and marking required. When this commercial item description is uced for procurement, the certification clause ut appear in the solicitation. The following list of suppliers: The proCuring agency
18、should specify the preferred options permitted 1. 2. 3. 4. Color, if other than Tan 686. 5. 6. Dismas Purrrps P O Box 80008 Billings, MT 59108-0008 Fhone (800) 874-8976 The GoMnan-Rupp Company P O Box 1217 Mansfield, OH 44901 %one (419) 755-1011 Cl3 & E Manufacturing Campany, Inc. 3849 N. Palmer Str
19、eet Milwaukee, w1: 53212 Fhone (414) 964-3400 , mks Pumpsr Inc. 420 E. Third Street Piqua, OH 45356 Phone (513) 773-2442. Copies of MIGH-370, MIGH-11588, and MIM-62122 are available from the Naval Publications and Fom Center, (Am: NPoDfj), 5801 Tabor Avenue, Fhiladelphia, PA 19120-5099. Copies of NE
20、MA MG-1 is available from the National Electrical Manufachirers Association, 2101 L Street, NW, Suite 300, Washington, DC 20037. Copies of UL 674 is avaiiable from the Underwriters Iakaatories, Ix., 333 Pfingsten Road, Northbrook, IL 60062 Custodian: preparing activity: .?my -ME Project 4320-0332 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
