1、A-A-52592 M 9999974 0370320 05 INCH-POUND March 15. 1996 SUPERSEDING 24 September 1990 A-A-52592 MIL-P- 10388H COMMERCIAL ITEM DESCRIPTION PIPE FITTINGS: ONE OR MORE ENDS GROOVED The General Services Administration has authorized the use of this commercial item description (CID) for all federal agen
2、cies. 1. SCOPE. This CID covers requirements for grooved and combination type pipe fittings. Grooved-type pipe fittings are intended for use as components of portable pipelines conveying light petroleum products or water. 2. SALIENT CHARACTERISTICS 2.1 Materials. Unless otherwise specified, material
3、s shall be in accordance with the manufacturers material specifications. The use of recovered material made in compliance with regulatory requirements is acceptable providing that all requirements of this CID are met. 2.1.1 Adapters and flanged reducer fittings. 2.1.1.1 Aluminum flanged fittings. Al
4、uminum flanged fittings shall be fabricated from round aluminum-alloy tubing conforming to UNS A96061-T6, wall thickness to fit the application, and flanges of aluminum-alloy forgings conforming to ASTM B247 alloy UNS A96151, or aluminum-alloy castings conforming to ASTM B26, alloy and temper to fit
5、 the application. Beneficial comments, recommendations, additions, deletions clarifications, etc. and any other data which may improve this document should be sent to: U.S. Army Tank-automotive and Armaments Command, ATTN: AMSTA-TR-EBLUE, Warren, MI 48397-5000. AMSC N/A FSC 4730 DISTRIBUTION STATEME
6、NT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-52592 2.1.1.2 Steel flanged fittings. Steel flanged fittings shall be fabricated from steel pipe conforming to table I, size and weight
7、 as shown in table II, and flanges of steel selected by the contractor subject to all the provisions of this specification. 2.1.1.3 Iron flanged fittings. Iron flanged fittings shall be fabricated from steel pipe conforming to table I, size and weight as shown in table II, and flanges of malleable i
8、ron castings conforming to ASTM A47, grade 32510, or ductile iron castings conforming to ASTM A536, grade 65-45-12. 2.1.2 Couplings. 2.1.2.1 Steel couplinm. Steel couplings shall be steel pipe conforming to table I, size and weight as shown in table II. 2.1.2.2 Aluminum couplings. Aluminum couplings
9、 shall be round aluminum-alloy tube conforming to ASTM B210, alloy UNS A96061-76, wall thickness to fit the application. Nominal pipe size (inches) 2 3 4 6 8 10 12 14 16 18 TableI. 1 Outside diameter (inches) 2.375 3.500 4.500 4.500 6.625 6.625 8.625 8.625 8.625 10.75 12.75 12.75 12.75 12.75 14.00 1
10、6.00 18.00 ie reuuirer Wall thickness (inches) 0.154 0.21 6 0.219 0.237 0.219 0.280 0.250 0.322 0.375 0.307 0.250 0.281 0.312 0.375 0.312 0.312 0.312 tnts. - Minimum hydrostatic test pressure (psig) 1500 1600 1250 1500 900 1250 800 1200 1400 900 500 600 750 1000 600 550 500 2 Provided by IHSNot for
11、ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52592 9999974 0170322 b A-A-52592 2.1.3 Fittings (except adapter, coupling. and flanged reducer). . 2.1.3.1 Iron fittings. Fittings shall be malleable iron castings conforming to ASTM A47, grade 32510, or ductile iron cas
12、tings conforming to ASTM A536, grade 65-45-12. 2.1.3.2 Steel fittings. Steel fittings shall be steel selected by the contractor and subject to all provisions of this specification. 2.1.3.3 Aluminum fittings. Aluminum fittings shall be aluminum-alloy forgings conforming to ASTM B247, alloy UNS A96151
13、, or aluminum-alloy castings conforming to ASTM B26, alloy and temper to fit the application. 2.1.4 Fitting ends. 2.1.4.1 Beveled. Beveled ends shall conform to ASME B16.25. 2.1.5 Flanged ends. 2.1.5.1 Cast iron. Cast iron flanged ends shall conform to ASME B16.1, class 125 or 250. 2.1.5.2 Steel. St
14、eel flanged ends shall conform to ASME B16.5, class 150 or 300. 2.1.5.3 Aluminum. Aluminum-alloy flanged ends shall be faced and drilled and conform to ASME B16.1, class 125, 250, or ASME B16.5, class 150 or 300. 2.1.6 Grooved ends. Grooved ends shall conform to the dimensions shown on figure 1. The
15、 land-sealing surface shall be smooth and free from mill marks and shall have a roughness height rating of not more than 500 and conform to ASME B46.1. 2.1.7 Threaded ends. Threaded ends shall be National Pipe Thread (NPT) and conform to ASME B1.20.1. 2.2 Design and construction. Fittings shall be m
16、alleable iron, ductile iron, steel, or aluminum alloy, as specified (see 6.1 and 6.3). All fittings shall have one end grooved and the other end beveled, flanged, grooved, or threaded. The groove may be continuous or backstop lug design. As specified (see 6.1 and 6.3), fittings may be drilled, tappe
17、d, and a pipe plug inserted for 0.25- inch, OSO-inch, 0.75-inch, or 2-inch National Pipe Thread (NPT) connection. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52592 - 9997774 0170323 514 A-A-52592 Table II. Pine Reauirements Nominal Pipe Siz
18、e (inches) 314 1 1-114 1-112 2 2-1/2 3 3-112 4 5 6 8 10 12 14 Outside Pipe Diameter (inches) 1 .O50 1.315 1.660 1.900 2.375 2.875 3.500 4.000 4.500 4.500 5.563 6.625 6.625 8.625 8.625 8.625 10.750 12.750 12.750 12.750 12.750 14.000 Wall Thickness (inches) 0.154 0.154 O. 154 O. 154 0.154 0.154 0.216
19、0.216 0.219 0.237 0.219 0.219 0.280 0.250 0.322 0.375 0.307 0.250 0.281 0.312 0.375 0.312 Minimum Weight (1b.Ift) 1.13 1.68 2.27 2.72 3.65 5.79 7.58 9.11 10.79 1 O. 79 14.62 18.97 18.97 24.70 24.70 24.70 28.04 33.38 33.38 33.38 33.38 36.71 Minimum Hydrostatic Test Pressure (psig) 2000 2000 2000 2000
20、 2000 1800 1800 1800 1600 1600 1600 1400 1400 1200 1200 1200 1000 1000 1000 1 O00 1 O00 800 2.2.1 Adapters and flanged reducers. Cast-iron adapters and flanged reducers shall consist of steel pipe threaded into a cast-iron flange. Steel adapters and flanged reducers shall consist of steel pipe threa
21、ded or welded to a steel flange. When pipe and flange are threaded together, the threads shall be coated with a nonhardening, nongalling compound inert to aromatic gasoline: Aluminum adapters and flanged reducers shall consist of aluminum-alloy tubing welded to an aluminum-alloy flange. . 4 Provided
22、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52592 9999974 0170324 450 H Nominal size (inches) A-A-52592 Length of cross (inches) measured center to ends, all ends grooved 2.2.2 m. When specified (see 6.1) tees shall be furnished with a %-inch cleaner
23、 guide. Material of cleaner guide for aluminum fittings shall be %-inch aluminum. Material of cleaner guide for steel or ductile iron fittings shall be %-inch steel. Cleaner guide shall be attached to the fitting by brazing or welding across the inside diameter of the branch outlet, with the inner s
24、ide fitting to the extent that the fitting could not withstand the desired hydrostatic test pressure. Appropriate filler material and flux shall be used to prevent corrosion. in line with the bore of the main outlets. Joining processes shall not reduce the strength of the 2.2.3 Dimensions. 2.2.3.1 F
25、itting lengths. Lengths for adapters, couplings, and reducers shall be as specified as part of the specification part number (see 6.1 and 6.3). All other fitting dimensions shall conform to table III. Table III. Fitting length. 314 1 1-114 1-112 2 2-112 3 3-112 4 5 6 8 10 12 14 2-114 2-114 2-314 2-3
26、14 3-114 3-314 4-114 4- 1 /2 5 5- 112 6-112 7-314 9 10 11 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-52592 9999974 0170325 397 Nominal A-A-52592 Length of elbows (inches) Both ends grooved Table III. Fittinv length - Continued. Eibows 314
27、 1 1-114 1-112 2 2-112 3 3-112 4 5 6 8 10 12 14 Nominal 90“ 2- 114 2-114 2-314 2-314 3-114 3-314 4-114 4-112 5 5-112 6-112 7-3/4 9 10 21 size (inches) I Center to end size Length of lateral (inches) All ends grooved 45“ 1 - 112 1-314 1-314 1-314 2 2-114 2-112 2-314 3 3-114 3-112 4-114 4-314 5-114 8-
28、314 (inches) 22-112“ 1-518 1-518 1-314 1-314 1-718 2 2-114 2-112 2-518 2-718 3-118 3-718 4-318 4-718 5 Center to long end End to end 314 11-114“ 1-318 1-318 1-318 1-318 1-318 1-112 1-112 1-314 1-314 2 2 2 2-118 2-114 3-112 4- 1 12 Adjustable - 3-114 - - 3-314 4 4- 112 5 5-114 - 6-114 7-3f4 - - 45“ L
29、ateral External threaded one end Center to Center to threaded end 90“ 2-114 2- 114 2-314 2-314 4- 114 3-314 6 6- 114 7-114 - 6-112 - - - - 45O 1-112 1-314 1-314 1-314 3 2-114 4-114 2-314 5-1/4 3-112 - - - grooved end 90“ 2- 1 14 2- 114 2-314 2-314 3-114 3-314 4-114 4- 112 5 6- 112 - - - - - 45“ 1-11
30、2 1-314 1-314 1-314 2 2-114 2-112 2-314 3 3-112 - - 1 1-114 1-112 2 2- 1 12 3 3-112 4 5 6 8 10 12 14 5 5-314 6-114 7 7-3f4 8-112 10 10-1/2 12-112 14 18 20-1/2 23 26- 1 12 Center to short end 2 2-114 2- 112 2-34 2-314 3 3-114 3-112 3-314 4 4- 112 6 6-112 7 7-112 6 Provided by IHSNot for ResaleNo repr
31、oduction or networking permitted without license from IHS-,-,- A-A-52592 W 9999974 O370326 223 W Table III. Fiti Tees Nominal size (inches) 314 x 314 x 314 lxlxl 1-114 x 1-114 x 1-114 1-112 x 1-112 x 1-112 2 x 2 x 314 xl x 1-112 x2 2-112 x 2-112 x 2-112 3x31 x 1-112 x2 x 2-112 x3 3-112 x 3-112 x 3-1
32、12 4x41 x2 x 2-112 x3 x4 5x52 x3 x4 x5 6x62 x 2-112 x3 x4 x5 x6 8x82 x3 x4 x5 x6 x8 Length of tees (inches) measured center to ends Grooved all ends 2-114 2-114 2-314 2-314 3-114 3-314 4-114 4-112 5 5-112 6-112 7-314 Reducing 3-114 3-114 3-114 4- 114 4- 1 I4 4- 114 4-114 3-314 5 5 5 5-112 5-112 5-11
33、2 6-112 6-112 6-112 6- 112 6- 112 7-314 7-314 7-314 7-314 7-314 len 7 A-A-52592 - Continued. Tees Nominal size (inches) 1ox1ox2 x3 x4 x5 x6 x8 x 10 12x123 x4 x5 x6 x8 x 10 x 12 x 10 x 12 x 14 14x148 Un Length of tees (inches) measured center to ends Grooved ail ends _ 9 10 11 in (flexibli Reducing 9
34、 9 9 9 9 9 10 10 10 10 10 10 11 11 11 size measured end to end (inches) both ends grooved 314 1 1-114 1-112 2 3 4 4 4- 118 4-5f8 4-518 5 5-112 6-112 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-52592 U 9999974 0170327 1bT Class Maximum workin
35、g pressure (WOG) 11 (psi) 125 175 150 230 250 500 300 720 A-A-52592 Hydrostatic test pressure (psi) 250 500 900 1100 2.2.4 Grooves. Pipe grooves shall be as indicated in figure 2. 1 1-114 1-112 2 2- 1 I2 I 3 3- 1 /2 2.3 Performance. 2000 2000 2000 2000 1800 1800 1800 2.3.1 Working and test pressures
36、. 2.3.1.1 Adauter and flanged reducers. Adapter and flanged reducers shall withstand the applicable working and hydrostatic pressures shown in table IV without evidence of leakage, rupture, or yielding. 2.3.1.2 Fittings (exceut adaDter and flanged reducers). All fittings except adapter and flanged r
37、educers shall have a working pressure of not less than 600 pounds per square inch (psi) for water, oil, or gas and shall withstand the hydrostatic pressures specified in table V without evidence of leakage, rupture, or yielding. Table V. Hydrostatic test uressures. size (inches) size (inches) pressu
38、re (psi) 5 6 8 10 12 14 1600 1400 1200 1 O00 1000 800 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52592 2.4 Treatment and uainting. The portions of the pipe and fittings normally painted shall have corrosion resistance equal to or exceed th
39、at provided by hot dip galvanized 1020 steel, with coating thickness in accordance with ASTM A123, with zinc phosphate pre-treatment. An alternative coating shall be compared to a galvanized sample (as described above) using the Accelerated Corrosion Test GM 954013 Method B 120 cycles, or until fail
40、ure of one of the items. 2.5 Identification and markings. Identification and marking of the pipe fittings shall be permanent and legible and shall include, as a minimum, the manufacturers identification code (CAGE), the contract number, the part identification number (PIN) (see 6.1), and the nationa
41、l stock number (NSN). 3. REGULATORY REQUIREMENTS 3.1 Recovered materials. The offerorkontractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibil
42、ity for inspection. The contractor is responsible for the performance of all inspections and tests. 4.2 Contractor certification. The contractor shall certify and maintain substantiating evidence that the product offered meets the salient characteristics of this CID and that the product conforms to
43、the producers own drawings, specifications, workmanship standards, and quality assurance practices. Items with known defects shall not be submitted for Government acceptance. The Government reserves the right to require proof of such conformance prior to the first delivery and thereafter as may be o
44、therwise provided for under the provisions of the contract. 5. PACKING. Preservation, packing, and marking shall be as specified in the contract or purchase order (see 6.1). 6. NOTES (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 9 P
45、rovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52592 = 9999974 037032% T32 = Code Letter A B C D A-A-52592 Fractional Inch O 1 I4 112 314 6.1 Part or identification number (PIN). The PINS to be used for pipe fittings acquired to this CID are crea
46、ted as follows: i 92 - - : xx x :xxxx -TT T Adapter, coupling or reducer length code letter (see 6.1.1 and table VI). Cleaner guide requirement code letter (see table VII). Tapped connection and size code number (see table L- VIII). Size code letters (see tables IX, X, and XIII). Fitting designation
47、 code number (see table XI). Material code letter (see table XII). CID number. Designates a CID. 6.1.1 AdaDter. coupling and reducer length. The length of the adapter, coupling, or reducer will be identified by a number and letter combination. The number is the number of whole inches in required len
48、gth, and the letter code indicates the fractional part of an inch of the required length (example: a length of 8.0 inches is 8A, 5.50 inches is 5C, 0.75 inch is OD, and 10.25 inches is 1 OB) (see table VI). 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
49、IHS-,-,-Code Letter A B C Cleaner guide requirement Without cleaner guide (for tees). With cleaner guide (for tees). Without cleaner guide (for fittings other than tee). Table IX. Size Size code letters AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO Code number 1 2 3 4 5 6 de letters (except reducers and tees). Nominal pipe size (inches) Size of drilled
