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    DLA MS8004 REV D (1)-2005 HOSE ASSEMBLY POLYTETRAFLUOROETHYLENE REUSABLE FITTINGS HIGH TEMPERATURE MEDIUM PRESSURE FLANGE-TO-FLANGE《耀斑对耀斑中压高温可重复使用聚四氟乙烯软管组件》.pdf

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    DLA MS8004 REV D (1)-2005 HOSE ASSEMBLY POLYTETRAFLUOROETHYLENE REUSABLE FITTINGS HIGH TEMPERATURE MEDIUM PRESSURE FLANGE-TO-FLANGE《耀斑对耀斑中压高温可重复使用聚四氟乙烯软管组件》.pdf

    1、 MS8004D INCH-POUNDw/AMENDMENT 1 09 September 2005 SUPERSEDING MS8004D 24 September 2003 DETAIL SPECIFICATION SHEET HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, REUSABLE FITTINGS, HIGH TEMPERATURE, MEDIUM PRESSURE, FLANGE-TO-FLANGE This specification is approved for use by all Departments and Agencies of

    2、 the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-25579. Hose cut-off factor (HCOF) for assembly with class 1 fittings: See table l. TABLE I. Hose cut-off factor (HCOF) for assembly with class 1 fittings. 1/

    3、Fitting ends HCOF (size vs length) 3/ Style 2/ Corrosion resistant steel (CRES) 1 2 8 10 12 16 20 24 A MS27054 MS27054 2.46 2.84 2.76 3.22 3.38 3.62 B MS27054 MS27056 2.48 2.84 3.28 3.59 3.91 4.31 C MS27054 MS27058 2.44 2.83 3.30 3.66 4.03 4.49 D MS27056 MS27056 2.50 2.84 3.80 3.96 4.44 5.00 E MS270

    4、56 MS27058 2.46 2.83 3.82 4.03 4.56 5.18 F MS27058 MS27058 2.42 2.82 3.84 4.10 4.58 5.36 1/ Class 1 fittings, styles A through F, are made from CRES. 2/ For depiction of styles see figure 1. 3/ The HCOF is used in the following calculation to determine the hose length required to produce an assembly

    5、 of a specific size, style and length: Assembly length - HCOF = Hose length. For example, the hose length required to produce a 23.50 inch length assembly of size 10, style F is calculated as follows: 23.50 - 2.82 = 20.68. AMSC N/A FSC 4720 Provided by IHSNot for ResaleNo reproduction or networking

    6、permitted without license from IHS-,-,-MS8004D w/AMENDMENT 1 2 HCOF for assembly with class 2 fittings: See table II. TABLE II. HCOF for assembly with class 2 fittings. 1/ Fitting ends HCOF (size vs length) 3/ Styles 2/ (Aluminum and CRES) 1 2 8 10 12 16 20 24 G MS27054 MS27054 2.46 2.84 2.76 3.22 3

    7、.38 3.62H MS27054 MS27056 2.48 2.84 3.28 3.59 3.91 4.31J MS27054 MS27058 2.44 2.83 3.30 3.66 4.03 4.49K MS27056 MS27056 2.50 2.84 3.80 3.95 4.44 5.00M MS27056 MS27058 2.46 2.83 3.82 4.03 4.56 5.18N MS27058 MS27058 2.42 2.82 3.84 4.10 4.68 5.361/ Class 2 fittings, styles G through N, are made from co

    8、mbination of aluminum and CRES. 2/ See figure 1 for depiction of styles. 3/ The HCOF is used in the following calculation to determine the hose length required to produce an assembly of a specific size, style and length: Assembly length - HCOF = Hose length. For example, the hose length required to

    9、produce a 23.50 inch length assembly of size 10, style F is calculated as follows: 23.50 - 2.82 = 20.68. Protective sleeve code: See table III. TABLE III. Protective sleeve code. Code Type A SAE AS1072 sleeve, fire protection, silicone covered, temperature ranging from -65F to 450F and intermittentl

    10、y to 500F, secured with CRES bands as required. 1/ B SAE AS1073 - code B sleeve, abrasion protection, heat shrinkable, black polyolefin, temperature ranging from -65F to 250F. C SAE AS1291 - code A sleeve, chafe guard, extruded seamless white PTFE, temperature ranging from -65F to 450F, secured with

    11、 CRES bands as required. D SAE AS1291 - code C sleeve, chafe guard, extruded seamless transparent FEP, temperature ranging from -65F to 350F, secured with CRES bands as required. E SAE AS1298 sleeve, heavy wall chafe guard, extruded seamless black PTFE, temperature ranging from -65F to 450F, secured

    12、 with CRES bands as required. L Lock-wire hole F Code A + L G Code B + L H Code C + L J Code D + L K Code E + L 1/ To prevent wicking of fluids, the cut end of the fire protective sleeve (code A) shall be coated with Room Temperature Vulcanized (RTV) silicone rubber prior to installation. After inst

    13、allation, cracks and voids in the fire protective sleeve shall be coated with RTV rubber to prevent exposure of fiberglass. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS8004D w/AMENDMENT 1 3 Class 1 fittings (450F) Corrosion resistant steel Clas

    14、s 2 fittings (275F) Combination aluminum and corrosion resistant steel End 1 End 2 End 1 End 2 NOTES: 1. See tables I and II for fitting ends and HCOF. 2. Fittings shall mate with the mounting pad as shown in MS33786. FIGURE 1. Classes 1 and 2 hose assembly styles with flange-to-flange reusable fitt

    15、ings. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS8004D w/AMENDMENT 1 4 REQUIREMENTS Dimensions: Unless otherwise specified, all dimensions are in inches. Fittings: All fittings shall be qualified in accordance with MIL-DTL-27272. Hose: The hos

    16、e shall be qualified in accordance with MIL-DTL-27267. Assembly classification: Class 1 and class 2 hose assemblies, as specified in MIL-DTL-25579, have been incorporated into the Part or Identifying Number (PIN) as a part of styles (see tables I and II and figure 1). Angular alignment: Hose assembl

    17、ies with elbow fittings on each end shall have the angular orientation between the elbows measured counter-clockwise from the centerline of the nearest fitting, positioned at six-oclock, to the centerline of the other fitting (see figure 2). The elbow fitting drop height shall be as shown on figure

    18、3 and table IV. When applicable, the angular alignment shall be expressed in three digits and specified in the PIN. Protective sleeve: If required, the hose assembly shall include a protective sleeve (see table III) and its code shall be included in the PIN. Fire protective sleeve shall be subjected

    19、 to testing in accordance with MIL-DTL-25579. Assembly length: Hose assembly shall be furnished in lengths as specified in the contract or purchase order (see MIL-DTL-25579); however, tolerances on the length of each hose assembly shall be as follows: a. 1/8 inch for lengths under 18 inches. b. 1/4

    20、inch for lengths from 18 inches to 36 inches. c. 1/2 inch for lengths from 36 inches to 50 inches. d. 1% for lengths over 50 inches. TABLE IV. Size code and elbow fitting drop height. Maximum drop height of elbow fitting Size Reference tube OD Size code (a) 1/ (b) 1/ 8 0.500 H 0.458 0.927 10 0.625 J

    21、 0.410 0.93112 0.750 K 0.503 1.191 16Z 1.000 M 0.540 1.31720Z 1.250 N 0.605 1.535 24Z 1.500 P 0.659 1.7231/ Dimensions (a) and (b) are depicted on figure 3. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS8004D w/AMENDMENT 1 5 NOTE: Angular alignme

    22、nt shall be measured in degrees with a tolerance of 2. FIGURE 2. Measurement of angular alignment between elbow fittings. NOTES: 1. Hose assembly length “L” shall be measured, with the hose laid out horizontally and straight between the centers of the flange sealing surfaces, along a straight line p

    23、arallel to the hose length. 2. See table IV for dimensions of (a) and (b). FIGURE 3. Elbow fitting drop height, dimensions (a) and (b). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS8004D w/AMENDMENT 1 6 PIN: The PIN for each hose assembly shall

    24、include its size code, length, style, protective sleeve type, and the angular alignment between the elbow fittings, as applicable. Example: The PIN for an 8.250 inch (209.55 mm) length, style F hose assembly with a .500 inch (12.70 mm) tube OD, a fire protective sleeve in accordance with SAE AS1072,

    25、 and a 30 between the elbow fittings shall be as follows: 08 2 F AH Amendment notations. The margins of this specification are marked with vertical lines to indicate modifications generated by this amendment. This was done as a convenience only and the Government assumes no liability whatsoever for

    26、any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations. MS8004 030Angular alignment between elbow fittings as specified on figure 2 (leave blank for styles A, B, C, G,

    27、 H, and J).Protective sleeve type (see table III). Leave blank if not required. If a protective sleeve is not required, the PIN shall be as follows: MS8004H082F030. Style (see table I and figure 1). Length in eights of an inch. Length in inches.Specification number. Size code (see table IV). Provide

    28、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS8004D w/AMENDMENT 1 7 Referenced documents. In addition to MIL-DTL-25579, this document references the following: MIL-DTL-27267 MIL-DTL-27272 SAE AS1073 SAE AS1291 SAE AS1298 SAE AS1072 MS27054 MS27056 MS270

    29、58 MS33786 CONCLUDING MATERIAL Custodians: Preparing activity:Army - AV DLA - CC Navy - AS Air Force - 99 (Project 4720-0431-000) DLA - CC Review activities: Army - AR, AT, EA, MI Navy - MC, SA, SH Air Force 70 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.milProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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