1、. A-A-50492A = 9999974 OL562L2 4T5 I INCH-POUND I A-A-50492A November 29. 1993 SUPERSEDING 28 February 1989 A-A- 50492 COMMERCIAL ITEM DESCRIPTION OILERS, AIR LINE This Commercial Item Description is approved by the Commissioner, Federal Supply Service, General Services Administration, for the use o
2、f all Federal agencies. to Military Specification MIL-0-82042, which is cancelled. This CID is to be used in preference 1. Abstract. This CID covers the requirements for air line oilers. Configuration of the oiler shall be type I, lubricator, filter, pressure regulator, and gauge, 1/2-inch (12.7-mil
3、limeters (nun) internal pipe thread connection, similar to figure 1; or type II, lubricator and filter, 1/4-inch (6.35 nun) internal pipe thread connection, similar to figure 2. Type I oiler is commonly referred to as a filter-regulator-lubricator on the commercial market. The oiler is to be used wi
4、th air-powered tool and air-powered mechanisms in compressed air systems. 2. Salient characteristics. 2.1 TvDe I oiler performance. The type I oiler shall remove at least 90 percent of the condensed water, and 95 percent of 50 microns or larger size foreign particles from an air line delivering up t
5、o 70 standard cubic feet per 100 pounds per square inch gage (psig) (689 kilopascals (kPa). The oiler shall also regulate the air pressure between 10 and 125 psig (69 and 862 kPa) while dispensing a constant, adequate supply of lubricant to the discharge air in the air supply system. minute (scfm) (
6、0.03 cubic meters per second (m 3 /SI) at an inlet pressure of IBeneficial comments (recommendations, additions, deletions) and any pertinent1 Idata which may be of use in improving this document should be addressed to: I 11000 23rd Avenue. Port Hueneme. CA 93043-4301. Iconmanding Officer (Code 156)
7、, Naval Construction Battalion Center, I I FSC 4930 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50492A 2.2 Type i1 oiler performance. ?he type II oiler shall re
8、move at least 90 percent of the condensed water and 95 percent of 50 microns or larger size fc eign particles from an air line delivering up to 20 scfm (0.01 m /s) at an iniet pressure of 100 psig (689 kPa). Type II oiler shall function in an air slipply between 10 and 125 psig (69 and 862 kPa) ,nd
9、dispense a constant adequate supply of lubricant to the discharge air in the air supply system. 3 2.3 Lubricator. type I and type II. The lubricator shall have a body, bowl, sight dome or sight glass, adjustable oil feed, filler plug, gaskets, and other necessary components. The bowl shall be metal
10、or plastic and shall be provided with !owl guards, if plastic. Lubricators with metal bowls shall withstand a presqure of 250 psig (1724 kPa) at a temperature of 100 degrees Fahrenheit (OF) (37: degrees Celsius (OC). Lubricators with plas.tic bowls shall withstand a pre sure of 150 psig (1036 kPa) a
11、t a temperature of 100F (37.7OC). The sight glass shall be readily replaceable and constructed of a shatter-resistant material. A filler plug, provided with means for bleeding off pressure inside the oil chamber before removal of the plug, shall be readily accessible for refilling. A metering valve
12、shall be furnished to accomplish adjustment of the oil feed rate from a flow of one drop per minute to maximum flow. The valve shall not change its setting as a result of jars or vibrations. The lubricator shall function under continuous or intermittent operation and shall not cause flooding of oil
13、into the air line. The amount of atomized oil injected into the air shall be proportional to the amount of air flowing through the system. When specified, the lubricator shall be so constructed that refilling of the reservoir can be accomplished without shutting off the air supply. 2.4 Lubricator ca
14、pacity. Type I lubricator shall have a capacity of not less than 7 fluid ounces (207 milliliters (mL); type II lubricator shall have a capacity of not less than 4 fluid ounces (118 mL). 2.5 Lubricator maximum pressure drov. Type I lubricator shall have a maximum pressure drop of 6 pounds per square
15、inch psi) (41 kPa) at an inlet have a maximum pressure drop of 6 psi (41 kPa) at an inlet pressure of 100 psig (689 kPa) and 20 scfm (0.01 m3/s). pressure of 100 psig (689 kPa) and 70 scfm (0.03 m I /s); type II lubricator shall 2.6 Lubricator verformance. The lubricator shall operate using oil with
16、 a viscosity up to 800 Saybolt Universal Seconds equivalent to CAE 30W oil at a temperature not less than 85OF (3OOC). 2.7 Filter. type I and type II. The filter shall have a body, transparent bowl, filter element, drain, gaskets, and other necessary components. The bowl shall be readily removable w
17、ithout the use of tools and constructed of metal or a shatter-resistant plastic, such as polycarbonate resin. A drain shall be provided to allow liquids and foreign matter to be drained from the bowl. The drain shall be of the manual type. The drain shall be so constructed that it cannot be disassem
18、bled when opened for drainage purposes. filter shall be such that liquids and foreign matter (dirt, rust, scale) will be separated from the compressed air stream and prevented from making contact with the filter element. The filter elements shall be porous plastic, or porous bronze, or impregnated f
19、elt, or other permanent and cleanable material. The filter elements shall have a nominal rating of 50 microns or less. The filter element shall have means to prevent bypass of contaminants and shall be readily removable without use of tools. The design of-the 2 Provided by IHSNot for ResaleNo reprod
20、uction or networking permitted without license from IHS-,-,-8 A-A-50492A W 9999974 OLSb2L4 278 W A-A-50492A 2.8 Filter dimensions. Type I filter shall have 1/2-inch (12.7-mm) internal inlet and outlet pipe thread connections, and a bowl capacity of at least 7 fluid ounces (207 mL). Type II filter sh
21、all have l/4-inch (6.35-mm) internal connections, and a bowl capacity of at least 4 fluid ounces (118 mL). 2.9 Filter maximum pressure drop. Type I filter shall have a maxiinum pressure drop of 3 psi (21 kPa) at 100 psig (689 kPa) inlet pressure and 70 scfm (0.03 m3/s) ; type II filter shall have a
22、maximum pressure drop of 3 psi (21 kPa) at 100 psig (689 kPa) inlet pressure and 20 scfm (0.01 m3/s). 2.10 Pressure remlator, tvpe I. The pressure regulator shall have a body, and a hand-operated adjusting device. Internal components shall be constructed of corrosion-resistant materials. Regulators
23、shall be of a relieving type. The pressure regulator body shall be equipped with two 1/2-inch (12.7-mm) internal thread ports, and two 1/4-inch (6.35-mm) internal pipe thread gauge ports furnished with removable plugs. 2.11 Pressure regulator performance. The pressure adjustment shall be such that a
24、n inlet pressure of 250 psig (1724 kPa) can be reduced and regulated within the range of 10 to 125 psig (69 to 862 kPa). While the regulator is subjected to 250 psig (1724 kPa) constant primary air ressure, and with the pressure shall vary not more than 10 and 100 psig (69 and 689 kPa). free flow ra
25、tes ranging from O to 70 scfm (O to 0.03 m 3 /s), the regulated 2.12 Pressure gauge. - type I. The pressure gauge shall have a 2-inch (50-mm) or larger size dial having a minimum pressure range of O psig to 160 psig (1103 kPa) and a back connection fitted with a l/i-inch (6.35-mm) external thread. T
26、he gauge shall have a case with a commercial finish and a shatter-resistant plastic crystal. The dial shall be numbered at intervals indicating 20 psig (138 kPa) pressure and marked at 5 psig (34 kPa) primary divisions. O 2.13 Mounting - brackets. For type I oiler, a mounting bracket shall be provid
27、ed for the regulator; for type II oiler, a mounting bracket shall be furnished for the filter. 2.14 Treatment and painting. The oiler shall be treated and painted in accordance with the manufacturers standard practice. 2.15 Marking. Each oiler shall be marked in a plain and permanent manner with the
28、 manufacturers name or with a trademark of such known character that the source of manufacture may be readily determined. 3. Contractor certification. The contractor shall certify and maintain substantiating evidence that the product offered meets the salient characteristics of this CID and that the
29、 product conforms to the producers own drawings, specifications, standards, and quality assurance practices and is the same product sold in the commercial marketplace. The Government reserves the right to require proof of such conformance prior to first delivery and thereafter as may be otherwise pr
30、ovided for under the provisions of the contract. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50492A 4. Measurement system. The values stated in inch-pound units are to be regarded as the standard. information purposes only. The metric value
31、s stated in parentheses are for 5. Metric products. Products manufactured to metric dimensions will be considered on an equal basis with those manufactured using inch-pound units, provided they fall within specified tolerances using conversion tables contained in the latest revision of FED-STD-376,
32、and all other requirements of this CID are met. If a product is manufactured to metric dimensions and those dimensions exceed the tolerances specified in the inch-pound units, a request should be made to the contracting officer to determine if the product is acceptable. The contracting officer has t
33、he option of accepring or rejecting the product. 6. Reizulatorv requirements. In accordance with Section 23.403 of the Federal Acquisition Regulations, the Governments policy is to acquire items composed of the highest percentage of recovered materials practicable, consistent with maintaining a sati
34、sfactory level of competition without adversely affecting performance requirements or exposing the suppliers employees to undue hazards from the recovered materials. 7. Packaginn. P ackinp and marking. The packaging, packing, labeling, and marking shall be as specified in the contract or order. 8. C
35、ID based part identification number (PIN). The following PIN procedure is for Government purposes and does not constitute a requirement for the contractor. The PIN to be used for oilers acquired to this CID is created as follows : A50492 - X l I CID part number I I Type number I 8.1 Type number. The
36、 type of the oiler is identified by a single number: type I - 1, type II - 2. 9. Notes. Purchaser should specify type of oiler and PIN required for a specific procurement. 9.1 FED-STD-376 is available from Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-509
37、4. MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: Cus todian GSA - FSS Navy - YD1 PREPARING ACTIVITY: Review Act ivi tY Navy - YD1 DU - CS (Proj ec t 4930 - 038 1) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50492A m 9999974 OL562Lb 040 m A-A-50492A U FIGURE 1. TvDe I oiler. I- FIGURE 2. Type II oiler. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
