ARMY A-A-52026-1991 PUMPS CENTRIFUGAL SUMP PNEUMATIC-MOTOR-DRIVEN 210 GPM AT 25 FOOT TOTAL HEAD《总高度25英尺210GPM气压电动机驱动机油箱 离心式离心式》.pdf
《ARMY A-A-52026-1991 PUMPS CENTRIFUGAL SUMP PNEUMATIC-MOTOR-DRIVEN 210 GPM AT 25 FOOT TOTAL HEAD《总高度25英尺210GPM气压电动机驱动机油箱 离心式离心式》.pdf》由会员分享,可在线阅读,更多相关《ARMY A-A-52026-1991 PUMPS CENTRIFUGAL SUMP PNEUMATIC-MOTOR-DRIVEN 210 GPM AT 25 FOOT TOTAL HEAD《总高度25英尺210GPM气压电动机驱动机油箱 离心式离心式》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、A-A-52026 10 May 1991 210 GFM AT 25 FQI HEAD cnie meral Services Administration has authorized the use of this conunsrciai item description in preference to Military specification MIGP-556. Ms item description covers lightweight pneumatic-motor-driven sump pumps of the following classes: Clm 1 - Reg
2、ular Cl- 2 - Nonsparking Salient characteristics. 1. General. When specific requirements are not stated herein, all items listed as standard equipment in the manufacturers published specifications, brochures, and catalogs which are normaily furnished to the commercial custcm-er as standard equipment
3、 shall be furnished. addition, the pumps shall be equipped with optional equipment and accessories as required to camply with the performance reqm-ents specified herein. equipment may be defined as equipment not stand- and not normally furnished with the pumps but which is available to the commercia
4、l customer on an optional basis. needed to satisfy military requrrementc shall be specified in the contract or oder. The additional qipment shall be constmcte, assenibled, and equipped with all components (whether or not specified herein) necescary to enable the unit to function reliably and efficie
5、ntly in sustained operation. Federal laws and regulations applicable for this type equipment which are in effect on date of contract award. in For the purpoce of this item description, optional Any additional ecpipment or accessories The pumps shall conform to all Beneficial comments, recommendation
6、s, additions, deletions, etc. and other data which may hprove this document shoud be sent by letter to: Carmander, US Army Belvoir Research, Development and Engineering Center, ATITJ: STREBJISE, Fort Belvoir, VA 22060-5606. AMSC N/A FSC 4320 DISTlUEIITION STATEDIEKC A. Approved for public release; d
7、istribution is unlhked. 0 Licensed by Information Handling Services2. 3. 4. 5. 6. A-A-52026 43 9779974 0061457 3 A-A-52 02 6 Desicm and Erfomce. Furms. The pumps shall be the volute centrifugal type. The pump and pneumatic motor shall be contained in a single housing or shall be contained in separat
8、e housings bolted together to form a single unit. All moving parts shall be enclosed. in the base of the pump and shall be provided with a strainer. impeller shall be of the remvaHe semi-open or enclosed-vane noncloggkg type. The pumps shall oprate in a dry sump for not less than 30 minutes without
9、damage. when pumping water. This capacity shall not cause the pneumatic mtor to exceed the maximum allowable air consumption rate. The suction inlet shall be located The pump The pumps shall deliver 210 GPM at 25 feet total head Class 1, reqular. The class 1 sump pump shall pump water, sewage, and s
10、ludge when completely submerged. be more than 70 pounds. The weight of the pump unit shall not Class 2, nonsparkirq . The class 2 sump pump shall pump hydrocafbons havkg specific gravities from 0.68 to 0.935, at a temperature from +40 to +80 OF. The weight of the pump unit shall not be more than 80
11、pounds. All parts of the pump in contact with the hydrcarbons shall be composed of non-sparkkg materials and certified for use with flammable liquids. consumption at 80 pounds per square inch gage (psig) shall not be mre than 140 cubic feet per minute (cfm) when pumping at rated capacity. no-load sp
12、eed in revolutions per minute shall not exceed the air mtor manufacturers recommendations. pipe-to-hose adapter and a 3/4-hch pneuniatic hose coupihq. hlet shall be internally threaded “i and shall have a zinc-free remavable 24-to-60 mesh strainer. internally threaded NPT and shall be provided with
13、a 1-1/4 hch-NPSH pipe-to-hose adapter. Pneumatic motor: The Pneumatic motor shall be the rotary-vane type. Air The The air inlet shall be equipped with a The air The air exhaust shall be 1-1/4-inch Material: The sump pumps shall be fabricated frm campatible materials which are inherently corrosion r
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