1、 INCH POUND A-A-59618 3 September 2002 SUPERSEDING XX-C-2866 5 January 2002 MIL-C-29222 31 July 1989 COMMERCIAL ITEM DESCRIPTION CLEANER, PRESSURE, HOT-WATER, SKID-MOUNTED The General Services Administration has authorized the use of this commercial item description (CID) for all federal agencies. 1
2、. SCOPE. This CID covers the general requirements for skid-mounted, hot water pressure cleaners. Pressure cleaners covered by this CID are intended for commercial/industrial applications. 2. CLASSIFICATION. This CID uses a classification system that is included in the Part Identification Number (PIN
3、) as shown in the following example (see 7.1). AA59618 -X X X X CID number C = Solution container T = Solution tank 0 = No spare nozzles 1 = Spare nozzles 0 = No lifting and tie down attachments 1 = Lifting and tie down attachments 0 = No fungus resistance treatment 1 = Fungus resistance treatment E
4、xample PIN: AA59618-T100 is a cleaner with a solution tank and spare nozzles. 3. SALIENT CHARACTERISTICS. 3.1 Interface and physical dimensions. Pressure cleaners supplied to this CID shall be as specified herein. 3.2 Materials. All equipment, material, and articles incorporated in the work covered
5、by this specification are to be new and fabricated using materials produced from recovered materials to the maximum extent possible without jeopardizing the intended use. (See Section 4.) Unless otherwise specified, none of the above shall be interpreted to mean that the use of used or rebuilt produ
6、cts is allowed under this specification. 3.3 Performance. The cleaner shall be capable of continuous delivery of not less than 200 gph (760 Lph) of hot water at 180F (83C) at a minimum pressure of 1000 psig (6.90 MPa). The cleaner shall operate without excessive or undesirable vibration or pulsation
7、s. Valves shall close without causing water hammer. Cleaners shall not require frequent adjustment, suffer flame failure or erratic combustion, fail to maintain the specified operational pressures, or otherwise exhibit shutdowns or repeated malfunctions. Beneficial comments, recommendations, additio
8、ns, deletions, clarifications, etc., and any data which may improve this document should be sent to: Defense Supply Center, Columbus, ATTN: DSCC-VAI, Post Office Box 3990, Columbus OH 43216-5000, or telephone (614) 692-0538, or facsimile (FAX) (614) 692-6939. FSC 4940 DISTRIBUTION STATEMENT A. Appro
9、ved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59618 3.4 Design. The cleaner shall be UL 1776 certified and shall meet the requirements specified herein. The cleaner shall be designed and constr
10、ucted to withstand the normal shocks and stresses incident to transport by truck, air, sea, and rail. The design shall permit accessibility for maintenance and service of cleaners in the field. The cleaner shall be designed and equipped with a purge air connection to permit complete drainage of the
11、water from the heating coil, pump(s) and piping. Water and solution container shall be so designed and located as to prevent spillage or drainage on electrical equipment. 3.5 Safety. All mechanical or electrical parts that by their design or location may become a hazard to operating or maintenance p
12、ersonnel shall be enclosed or properly guarded. The cleaner noise level shall not exceed the value for an 8 h exposure as defined in 29 CFR 1910.95. 3.5.1 Controls. The cleaner shall be equipped with mechanical and electrical controls and devices necessary for safe and efficient operation. As a mini
13、mum, such controls shall include the following: a. Temperature control device to shut down the burner in the event the temperature of the heating coil exceeds a predetermined safe limit. b. Pressure control device to maintain the rated pressure in the heating coil and delivery hose. c. Automatic fue
14、l shutdown device to shut down fuel flow in the event of ignition interruption. d. A safety relief valve suitable for relieving overpressure before reaching a predetermined safe limit. 3.6 Heater section. The heater section shall consist essentially of a heating coil, a combustion chamber, and an oi
15、l burner. 3.6.1 Heating coil. The heating coil shall be continuous coiled seamless or welded carbon steel or alloy steel pipe or tubing having sufficient ductility for close coiling. The coil shall be capable of withstanding a hydrostatic test pressure of 2000 psi (13.8 MPa) for a period of at least
16、 2 min without any leakage or rupture. The nominal diameter of the tubing shall be at least 0.50 in (12.7 mm). The cleaner shall be equipped with accessible connections, fittings, and valves, as required, to permit coil blow down for the removal of scale deposits and sludge. The coil shall be design
17、ed and installed to allow for unequal expansion and contraction and to facilitate removal for soot cleaning, repair, or replacement. 3.6.2 Combustion chamber. The combustion chamber shall be of a preformed castable refractory; of a preformed ceramic fiber refractory; of a double, concentrically coil
18、ed, tangent tube water wall; or of a tangent tube water wall with metal liner. Both the castable and ceramic fiber refractories shall be rated to withstand exposure of the hot face to temperatures up to 2500 F (1370 C). 3.6.3 Oil burner. The oil burner shall be of the high-pressure mechanical atomiz
19、ing type or the low-pressure air atomizing type. The fuel system for mechanical atomizing burners shall include a positive displacement, electric motor driven fuel pump. Low-pressure burners shall include a fuel-metering device. Both type burners shall be equipped with high voltage electrode type sp
20、ark ignition and a forced draft blower. The burner firing cycle shall be thermostatically controlled to prevent excessive heating coil temperatures at reduced flow rates. The cleaner shall be equipped with a fuel tank having a minimum capacity for 2 h continuous operation. The burner shall be capabl
21、e of continuous operation at full rated capacity with a smoke density reading not to exceed ASTM D2156 Smoke Spot Number 2. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59618 The burner shall be suitable for firing any of the following fuel:
22、 a. Fuel oil, grade No. 2. b. Diesel fuel, grades DF-1 and DF-2. c. Jet fuel, grade JP-8. 3.7 Water pump. The pump shall be a positive displacement, electric motor driven packed plunger type. Pump check valves, including disk or balls, springs, seats, and any other associated metallic parts, shall b
23、e resistant to the corrosive effects of the cleaning compound and coil descaling acid solutions. Pump bearings shall be of the sealed, permanently lubricated type or shall run in an oil bath. 3.7.1 Damping device. The pump or piping connected thereto shall be equipped with a damping device to absorb
24、 pressure pulsations caused by the reciprocating action of the pump. 3.7.2 Water tank. A water tank with a constant-level float valve shall be provided to act as a reservoir for the incoming water supply. The tank shall be fabricated of corrosion resistant metal or metal treated to resist corrosion
25、or polyethylene. It shall be equipped with inlet piping consisting of a manual shutoff valve, and a standard threaded connection for a 0.75 in (19 mm) garden hose coupling. The inlet float valve shall be designed to operate against supply pressures up to 80 psi (0.55 MPa). The tank shall be equipped
26、 with an overflow pipe and an air gap or other means to prevent siphoning of the tank water back into the water supply line. 3.7.3 Hose. A 50 ft (15 mm) length of hose for feeding water to the water float tank shall be furnished. The hose shall be yarn reinforced, rubber construction. The hose shall
27、 be equipped with commercial brass fittings with male and female hose connections. 3.8 Cleaning solution system. The cleaning solution system shall be designed to introduce concentrated or mixed cleaning compound at the pump suction or at the coil outlet through a metering valve. The metering valve
28、shall be manually adjustable from zero to 10 % by volume and located at the control panel. The cleaning compound supply to the system shall come from a solution container or from a solution tank as specified. 3.8.1 Solution container rack. When a solution container is required, the cleaner shall be
29、provided with a rack to secure a 5-gal (19 L) liquid solution container. 3.8.2 Solution tank. The tank shall be fabricated from stainless steel or high-density polyethylene when a solution tank is required. The tank shall have a capacity of at least 10-gal (38 L). Means for determining the liquid le
30、vel inside the tank shall be provided. 3.9 Spray delivery components. Each cleaner shall be furnished with a cleaning gun, a set of nozzles, and high-pressure hose. The cleaner shall be equipped with a hanger, rack, or other appurtenance for stowing the guns and hose in transit, and when not in use.
31、 3.9.1 Cleaning gun. The cleaning gun shall be furnished as a single unit with interchangeable nozzles. The gun shall be equipped with an insulated or air-cooled, trigger shutoff, pistol grip handle. The wand shall be a tube at least 2 ft (0.61 m) in length. The handle shall be capable of withstandi
32、ng a 2000 psi (13.8 MPa) hydrostatic test. The handle and wand with the delivery hose assembly attached shall be capable of withstanding being dropped twice from a height not less than 6 ft (1.8 m) to a concrete floor. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without li
33、cense from IHS-,-,-A-A-59618 One drop shall have the handle impact the ground and one drop shall have the wand impact on the ground. Upon completion of the two drops, the handles and wand shall show no evidence of breaks and fractures. Permanent deformation of the handle and wand shall not be cause
34、for rejection. The cleaner shall then be operated, and the handle and wand inspected for leaks. Leaks that cannot be corrected by tightening of threaded connections and failure to operate satisfactorily are unacceptable. 3.9.2 Nozzles. Three corrosion-resistant steel nozzles shall be furnished with
35、each cleaner to provide 15, 25, and 40 spray patterns. When specified, spare spray nozzles shall be provided with the unit. The nozzles shall be equipped with quick disconnect couplings and shall not leak during cleaner operation. The nozzles shall be prominently marked to assist the cleaner operato
36、r in selecting a particular spray pattern. 3.9.3 Hose. The hose shall be suitable for hot water service with a pressure rating of not less than 2250 psi (15.51 MPa). Hose shall be nominally 0.375 in (9.5 mm) inside diameter with a length of at least 40 ft (12 m). The hose shall consist of a wire bra
37、id reinforced, natural or synthetic rubber, multi-ply inner carcass and a neoprene, or equivalent, outer cover that is heat-, oil-, and weather-resistant. 3.10 Electrical system. The electrical system shall operate from a 208-volt, 3-phase, 60-Hertz power source. 3.10.1 Motor. The motor shall be des
38、igned and rated in accordance with NEMA MG 1. Motors shall be furnished in drip-proof enclosures and with sealed windings. The design and installation of the motor overload protection, load capacity, feeder circuit protection, controller selection, and associated wiring practices shall comply with N
39、FPA 70. Motor controller shall meet the design and operational requirements of NEMA ICS 1. 3.10.2 Wiring. Wiring on the cleaner shall be complete up to the point of the plug connection for the power supply cord. The design and installation of all wiring and circuit devices shall comply with NFPA 70.
40、 3.10.3 Power cord. A 75 ft (23 m) hard service, four conductor, oil-resistant, flexible power cord shall be furnished with each cleaner. The cord shall be NEMA type S, SO, or ST and shall be equipped with 3-phase, 3-pole, 4-wire grounding type connectors conforming to NEMA WD 1. One end shall be ma
41、le, the other female. The cleaner shall be equipped with a matching, weatherproof male connector suitable for exterior applications. 3.11 Protective Enclosure. Components of the cleaner requiring protection from the weather shall be enclosed in a weather-resistant sheet metal housing with access doo
42、rs or panels and a stock cover. Controls for the manually adjusted metering valve and all switches and control valves shall be centrally located in the control panel. The control panel shall be recessed or otherwise guarded to prevent damage to protruding elements. Access doors or panels shall be eq
43、uipped with suitable latching devices. 3.12 Skid mounting. The cleaner shall be mounted on a welded, structural steel skid base. The skid base shall include two longitudinal structural steel skid runners with a base plate or welded cross members to support the cleaner. A splash pan shall cover open
44、areas between the skids when the cleaner is supported on cross members. The clearance from the ground to the lowest projection of the cleaner shall be at least 4 in (100 mm). Both ends of each skid shall be shaped to facilitate skidding. Both ends of each skid shall be provided with attachments for
45、towing and lifting slings. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59618 The skid runners shall be provided with pockets to permit lifting of the cleaner by a forklift truck. The pockets shall be a minimum of 24 in (610 mm) on centers a
46、nd shall be shaped to accommodate forks in sizes up to 2 in (50 mm) in thickness by 8 in (203 mm) in width. 3.13 Lifting and tie down attachments. When specified, the cleaner shall be equipped with lifting and tie down attachments conforming to type II or type III of MIL-STD-209. A nonferrous transp
47、ortation plate shall be provided and mechanically attached to the cleaner. It shall be inscribed with a diagram showing the lifting attachments and lifting slings, the capacity of each attachment, and the required length and size of each sling cable. A silhouette of the item furnished showing the ce
48、nter of gravity shall be provided on the transportation plate. Stenciling or other suitable marking may identify tie down attachments. Tie down marking shall clearly indicate that the attachments are intended for the tie down of the cleaner on the carrier when shipped. 3.14 Cleaning, treatment and p
49、ainting. Surfaces normally painted shall be cleaned, treated, and painted in good commercial practice. The color of the finish coat, conforming to FED-STD-595, shall be as specified (see 7.4). Painting shall be with manufacturers current materials according to manufacturers current processes and the total dry-film thickness shall be no less than 0.0025 in (0.0635 mm) over the entire surface. The paint shall be free from runs, sags, orange peel, or other defects. The end item, allied equipment,
