1、 flIL-DTL-L7505F m 9999906 2053984 b53 m IINCH-POUND MIL-DTL-17505F 7 November 1997 SUPERSEDING MIL-H-l7505E(NAVY) DETAIL SPECIFICATION HOSE AND HOSE ASSEMBLY, RUBBER, OIL AND GASOLINE, SUCTION AND DISCHARGE This specification is approved for use by all Departments and Agencies of the Department of
2、Defense. 1. SCOPE 1.1 ScoPe. This specification covers smooth-bore hose and hose assemblies for suction and discharge service in the transfer of fuels, such as Navy special fuel oil, diesel fuel, oil, jet fuel (JP-5 or JP-8), motor gasoline, and aviation gasoline. The hose is intended to handle petr
3、oleum products having an aromatic content no greater than 30 percent. The maximum working pressure of this hose is 150 pound-force per square inch (psi) (1 034 kilopascal (Ba). 1.2 Classification. Hose covered by this specification shall be of one type, having a 4-, 6-, 8-, or 12-inch (102, 152,203,
4、 or 305 millimetre (mm) inside diameter (id), as specified (see 6.2). 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification, This section does not include documents cited in other sections of this specification or recommende
5、d for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. Beneficial com
6、ments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: Commanding Officer (Code 15E2), Naval Construction Battalion Center, 1000 23“ Avenue, Port Hueneme, CA 93043-4301, byvsing the Standardization Document Improvement Propo
7、sal D Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 4720 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-L7505F m 0b 2053785 5T W MIL-DTL- 17505F 2.2 Government documents. 2.2.1 Standards. The following standard
8、s form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). STANDARDS FE
9、DERAL FED-STD-H28 - Screw-Thread Standards for Federal Services. FED-STD-162 - Hose, Rubber, Visual Inspection Guide for. FED-STD-601 - Rubber, Sampling, and Testing. (Unless otherwise indicated, copies of the above standards are available from the Defense Automated Printing Services, Attn: DoDSSP,
10、Building 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-50942.) 2.3 Non-Government Dublications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted are those listed in the issue of the Do
11、DISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN NATIONAL STANDARDS INSTITUTE, INC. (ANSI) ANSI B16.5 ANSI B 16.24 ANSI 2 1.4 - Steel Pipe Flanges and Flanged Val
12、ves and Fittings Including Ratings for Class 150,300,400,600,900, 1500, and 2500. Cast Copper Alloy Pipe Flanges and Flanged Fittings, Class 150, 300,400,600,900, 1,500 and 2,500. Procedures, Sampling and Tables for Inspection by Attributes. - - (Application for copies should be addressed to the Ame
13、rican National Standards Institute, Inc., 11 West 42nd Street, New York, NY 10036.) ASTM ASTMB26B26 - ASTM B 443 - ASTMB 584 - ASTM D 297 - ASTM D 380 - ASTM D 381 - Aluminum-Alloy Sand Castings. Nickel-Chromium-Molybdenum-Columbium Alloy Plate, Sheet, and Strip. Copper Alloy Sand Castings for Gener
14、al Applications. Rubber Products - Chemical Analysis. Testing Rubber Hose. Existent Gum in Fuels by Jet Evaporation. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-L7505F 9999906 2053986 426 MIL-DTL- 175 05F ASTM D 412 ASTM D 413 ASTM D 47
15、1 ASTMD 518 ASTMD 573 ASTM D 1149 ASTM D 2702 ASTM E 8 - - - - - - Tension Testing of Vulcanized Rubber. Rubber Property - Adhesion to Flexible Substrate. Rubber Property - Effect of Liquids. Rubber Deterioration - Surface Cracking. Rubber Deterioration in Air Oven. Rubber Detenoration - Surface Ozo
16、ne Cracking in a Chamber (Flat Specimens). Rubber Chemicals - Determination of Infrared Absorption. Tension Testing of Metallic Materials. - - (Application for copies should be addressed to the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) 2.4
17、Order of mecedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document shall take precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREME
18、NTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.2. 3.2 Materials. Materials used shall be free from defects which would adversely affect the performance or maintainability of individual components or of the overall assembl
19、y. Materials not specified herein shall be of the same quality used for the intended purpose in commercial practice. Unless otherwise specified herein, all equipment, material, and articles incorporated in the work covered by this specification are to be new and fabricated using materials produced f
20、rom recovered materials to the maximum extent possible without jeopardizing the intended use. The term “recovered materials” means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materiais, as opposed to virgin raw materials. Unless otherwi
21、se specified, none of the above shall be interpreted to mean that the use of used or rebuilt products is allowed under this specification. 3.2.1 Rubber. The basic synthetic material used for the tube shall be a copolymer product. The basic synthetic materials used for the cover shall be of a oil-, a
22、brasion-, oxidation weathering-, and sunlight-resistant material. 3.2.2 Wire reinforcement. The reinforcing wire or wires shall be round steel. The wire shall have the applicable tensile strength shown in table I when tested in accordance with 4.7.18.1. The wire shall be of such area as to enable th
23、e hose to meet the kink test specified in 3.9. 3.2.2.1 Flexibilitv ofwire. The wire shall show no defects in the steel when tested as described in 4.7.18.2. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-L7505F = 9999906 2053987 3b2 = Wire
24、 diameter, inch 0.035 to 0.105 (1 to 3 (mm) inclusive MIL-DTL-17505F 3.2.3 Carcass. Textile reinforcement of the hose shall be of synthetic fiber cord or woven fabric. Tensile strength, psi Minimum Maximum 180,000 300,000 TABLE I. Phvsical properties of wire. More than 0.105 to 0.207 (3 to 5 mm) inc
25、lusive (1 241 056 kPa) (2 068 427 Da) 150,000 240,000 More than 0.207 to 0.362 (5 to 9 mm) inclusive (1 034 214 kPa) (827 371 Ba) (1 654 742 kPa) (1 447 899 kPa) 120,000 210,000 3.3 Length. The length of hose shall be as specified (see 6.2), when measured in accordance with 4.7.1. The specified leng
26、th shall be measured from face to face of the nipple, fitting, or coupling ends on hose. Requirements ID tolerance (plus or minus) inch (mm) 3.3.1 Tolerances. For hose lengths over 20 feet (6 096 mm), a tolerance of f 1 percent shall be permitted in the length of hose. For 20 feet (6 096 mm) and les
27、s, a tolerance off 2.5 inches shall be permitted. 4-inch (1 02 mm) hose f: 0.062 (2 2 mm) 3.4 Construction. The hose assembly shall be constructed as specified in 3.4.1 through 3.4.7 and in accordance with the dimensions and materials indicated in table II. The construction specified herein represen
28、ts minimum requirements and is not intended to exclude hse having additional . layers of textile reinforcement or compound, or hose having special sections of wire that will not sacrifice smoothness of bore or resistance to damage. 8-inch (203 mm) hose + 0.062 (+ 2 mm) (- 6 mm) 0.125 (3 mm) 0.1 10 (
29、3mm) 7.0 (2 134 mm) - 0.250 TABLE II. Phvsical requirements of hose. 12-inch (305 mm) hose + 0.062 (+ 2 mm) (- 6 mm) 0.125 (3 mm) 0.110 (3 mm) 10.75 (3 277 mm) - 0.250 Thickness of cover - inch (mm) (min) (feet (mm)* Minimum bend radii under pressure Thickness of tube - inch (mm) 0.1 10 min 0.093 (2
30、 mm) 3.5 (1 067 mm) 6-inch (152 mm) hose + 0.062 (+ 2 mm) - 0.250 (- 6 mm) 0.1 10 (3 mm) 0.1 10 (3 mm) 5.25 (1 600 mm) long in 12-inc 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL- 17505F 3.4.1 Hose body. In addition to the description of
31、 materials specified in table II, the body of the hose shall consist of the following: a. b. C. d. e. A synthetic rubber inner tube, properly compounded to resist motor gasoline, aviation gasoline, jet fiel (JP-5 or JP-S), petroleum oils, and salt water, as noted in 1.1 and as specified in 3.2.1. Re
32、inforcement shall consist of either braided or spiraled yam or multiple plies of cord or woven fabric. A helix of round wire or wires thoroughly embedded in synthetic rubber, as specified in 3.2.1, and connected to the hose nipple by a suitable wire to ensure static bond. Reinforcement as described
33、under b. shall be applied over the helix or wire. An oil- and abrasion-resistant synthetic rubber cover compounded in accordance with 3.2.1 to give maximum resistance to oil, abrasion, oxidation weathering, and sunlight aging. 3.4.2 Tube and cover. The tube shall be smooth and free from pitting. The
34、 tube and cover shall be of uniform thickness and free from foreign substances. Phosphate plasticizers shall not be used in this product. The gage shall be in accordance with table II. 3.4.3 Rubber filling strip. The space between adjacent wires shall be filled with strips of a synthetic rubber comp
35、ound. 3.4.4 Hose ends. 3.4.4.1 Hand-built wire reinforced construction. Hose ends on the hand-built wire reinforced hose shall be capped by application of the synthetic rubber compound used in the cover of the hose. The end configuration may be square, using the cover compound for a cap, or the end
36、may be tapered so the cover compound will continue to the hose nipple. Each length of hose shall be fitted with either a nipple with flanges attached or swaged-on permanent-type couplings with flanges attached. Unless otherwise specified (see 6.2), the 4-inch (102 mm) size shall have integral swivel
37、 couplings (male and female) attached. 3.4.4.2 Horizontal braidedspiraled wire reinforced construction. Hose ends on the horizontal braidedspiraled-wire reinforced hose shall be sealed using the same compound used in the cover of the hose. Each length of hose shall be fitted with swaged-on permanent
38、-type couplings, and shall have flanges attached thereto (see 6.5). 3.4.5 Textile reinforcement. Cotton or synthetic cord or woven fabric shall be free from unsightly defects, dirt, knots, lumps, and irregularities of twist. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted with
39、out license from IHS-,-,-MIL-DTL-17505F m 9999906 2053989 135 m MIL-DTL- 17505F 3.4.6 Nkmles and flanges. For oil transfer, steel, bronze, or brass nipples and flanges, or integral flanged aluminum-alloy nipples may be used. For gasoline, JP-5 and JP-8 transfer, bronze, brass, or integral flanged al
40、uminum-alloy nipples and flanges shall be used, as specified (see 6.2). The steel nipples shall be cut from standard pipe and the exterior ends shall be consistent with the type of flanges to be used with regards to fastening. If the nipple is threaded, it shall be in accordance with FED-STD-H8. Two
41、 bands shall be welded or shrunk not less than 2 inches (51 mm) apart on the extenor of the nipple. The steel flanges shall be the screwed, welded, or welded slip-on type of forged steel in the 150-pound (68 kilograms (kg) class, with dimensions, facings, and drillings in accordance with ANSI B 16.5
42、. Bronze and brass flanges shall be screwed, welded, or welded slip-on type in the 150-pound (68 kg) class with dimensions, facings, and drillings in accordance with ANSI B16.24. Use of epoxy resin as a thread sealant is acceptable. 3.4.6.1 Inteml flanged aluminum-alloy nipples. The composition of t
43、he integral flanged aluminum-alloy nipple shall conform to ASTM B 443.0 alloy temper F. The nipple shall be reinforced to withstand usage comparable to that of the steel specified in, or alloy 356.0 temper T6 of ASTM B 26A326. The fillet of the flanged nipple shall be reinforced to withstand usage c
44、omparable to that of the steel specified in 3.4.6. The nipple portion of the aluminum-alloy nipple shall have cast bands on the exterior of the nipple. Nipples shall be made an integral part of the hose by means of a round, steel wire spiraled over the textile carcass over the nipple area. The helix
45、 wire or wires shall be camed over the nipple area to provide additional anchorage. End blocks of plies of fabric impregnated with synthetic rubber compound shall be applied over the nipple area tapering into the hose body. The integral swivel couplings shall be secured to the 4-inch (102 mm) hose i
46、n the same manner and shall protrude 12 inches (305 mm) into the hose. As an option, assemblies may be assembled using aluminum-alloy pipe with aluminum bands welded on and forged aluminum-alloy slip-on welding flanges. The assemblies shall maintain strength and tightness. The flange dimensions and
47、drillings shall be the same as specified for steel flanges except that the flange shall not have a raised face. 3.4.7 Inteaal swivel connection couolings. The integral swivel couplings for the 4-inch (102 mm) hose shall have two bands cast, brazed, or shrunk onto the exterior. Construction shall be
48、such that the integral nipples shall interface with the hose in the same manner as do the nipples. The composition of the integral swivel couplings shall conform to ASTM B 584, copper alloy, UNS No. C 84400. 3.5 Resistance to vacuum. The hose shall not collapse or blister or show any other indicatio
49、n of failure when subjected to a vacuum as specified in 4.7.4. 3.6 Volume swell of tube and cover comDound. The percentage of swelling of the tube and cover in the special testing hel, as determined by the method specified in 4.7.11, shall be not greater than 50 percent for the tube and 80 percent for cover. 3.7 Soluble nonvolatile requirement of tube compound. When tested as described in 4.7.16, the soluble nonvolatile matter in the tube shall be not greater than 6 p
