1、 MIL-V-24630 (3) 48 9399906 0438q42 2 MIL-V-24630(SH) AMENDMENT 3 29 June 1990 SUPERSEDING AMENDMENT 2 18 April 1988 MILITARY SPECIFICATION VALVES, CHECK, IN-LINE, FOR HYDRAULIC FLUID AND LUBRICATING OIL FLUID This amendment forms a part of MIL-V-24630(SH), dated 19 March 1984, and is approved for u
2、se by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 At bottom of page add: “AMSC N/A DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited“ PAGE 8 3.5.9, line 2: Delete “4000
3、“ and substitute n3000“. 3.5.10, add: “The valve shall be subjected to a salt spray test if materials other than specified herein are used for the valve external body. one design is developed by the same contractor who uses the same method of surface preservation for all designs, only one representa
4、tive unit shall require this test, provided the same materials are used. Test data on similar equipment with the same base and coating materials and equivalent coating thickness may be used to meet this requirement,“ When more than 3.5.13: Delete. * 3.5.14 and Table II: Delete. PAGE 10 3.9: Delete a
5、nd substitute: “3.9 Drawings. When specified . (see 6.2.1) , reproducible (or microfilm) assembly drawings identical to those specified in 4.3.2 shall be provided (see 6.2,2) .II PAGE 11 4.3, second sentence: Delete. AMSC N/A FSC 4820 DISTRIBUTION STATEMENT A Approved for public release; distributio
6、n unlimited 1 of 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-24b30 (3) 48 = 777790b 0438443 4 - . - . . . . ._ MIL-V-24630(SH) AMENDMENT 3 PAGES 11 AND 12 * Table III: Delete and substitute: TABLE III. Qualification and aualitv conformanc
7、e inspections. Inspection Wisual, mechanical and radiographic inspection Ex te rnal Internal Interchangeab il i ty Maintainability Pressure drop at rated flow capacity Pro0 f pres sur e Leakage Oper at ion Checking time Cracking pressure Temperature extremes Endurance Fatigue rating Salt spray Vibra
8、tion Shock See footnotes at end Requirement paragraph 3.1, 3.3, 3.4, 3.6, 3.7, 3.8 and 3.10 3.4.1 3.4.2 3.6 3.4.3, 3.4.3.1, 3.4.3.2 3.5.2, 3.5.3 3.5.4 3.5.5 3.5.6 3.5.6.1 3.5.6.2 3.5.7 3.5.8 3.5.9 3.5.10 3.5.11 3.5.12 of table. est method paragraph 4.6.1 4.6.1.1 4.6.1.2 4.6.1.3 4.6.1.4 4.7.1 4.7.2 4
9、.7.3 4.7.4 4.7.4.1 4.7.4.2 4.7.5, 4.7.5.1, 4.7.5.3 4.7.6 4.7.7 4.7.8 4.7.9 4,7.10 Qualification 2J Sample 1 (maximum .learance) X X X X X X X X X X xL/ Sample 2 (minimum .learance) X X X X X X X X X X X X X X Iuality :onf or - mance X X X X X X 2 Provided by IHSNot for ResaleNo reproduction or netwo
10、rking permitted without license from IHS-,-,-MIL-V-24630 (3) 48 W 9797906 0438444 6 W - Test method paragraph MIL-V-24630(SH) AMENDMENT 3 Qualification 2/ .Sample i Sample i (maximum (minimum clearance) clearance) TABLE III. Oualification and aualitv conformance insDections. - Continued Inspection S
11、tructureborne noise Requirement P axagraph 3.5.15 4.7.13 1 X I Quality conf or - mance u While tests can be conducted on a single sample, additional samples allow 2/ For purpose of qualification, a valve of the next smaller or larger size reduction in test pressure. may be used to fulfill the requir
12、ement for two samples. 4.3.1, item (b): Delete and substitute: “Qualification tests shall normally be conducted on at least two speci- mens of each size valve, manufactured to the adverse dimensions of 4.3.1.1 and 4.3.1.2. However, qualification tests may be conducted on a single specimen manufactur
13、ed to nominal dimensions when approved by the qualifying activity based on an engineering analysis, submitted with the application for qualification testing, which shows the valve will operate satisfactorily with adverse tolerances, specimen is tested for qualification, the tests for sample 2 shall
14、be conducted in addition to the tests for sample 1. Tests which are the same for both samples need not be repeated when a single sample is tested. II When a single 4.3.1, item (d): Add: “Only a single specimen is required for these tests, and the adverse tolerance requirements of 4.3.1.1 and 4.3.1.2
15、 do not apply.“ PAGE 13 4.3.2, first sentence: Delete and substitute: “Two sets of assembly drawings shall be furnished for each valve for which approval to conduct qualifi- cation tests is requested. In addition, machining drawings and sketches shall be provided identifying the normal tolerances fo
16、r those portions of specimens which will be manufactured to minimum and maximum clearance as specified in 4.3.1.1 and 4.3.1.2. I 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-2Llb30 (3) 48 W 7797906 OL13Y45 W MIL-V-24630(SH) AMENDMENT 3 PAG
17、E 15 4.7.3.1, line 9: Delete “in accordance with MIL-H-17672“. 4.7.3.2, line 8: Delete “conforming to MIL-H-17672“. 4.7.5: Add at the end of the last sentence: “or MIL-H-5606.“ PAGE 16 4.7.8: Add “The salt fog test is not required if the valve body is con- For other body structed of material specifi
18、ed in 3.3.1, 3.3.1.1 and 3.3.1.2. materials, the salt fog test may be waived, but only at the discretion of NAVSEA. I PAGE 17 4.7.11: Delete. * 4.7.12: Delete. NOTE: changes (additions, modifications, corrections, deletions) from the previous amendment were made. This was done as a convenience only
19、and the Government assumes no liability whatsoever for 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 and relationship to the last previous amendment. The margins of this amendment are marked with asterisks to indicate where Preparing activity: Navy - SH (Project 4820-N052) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
