1、- Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Do
2、cument Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. K - THIS DOCUMENT CONTAINS 23 PAGES. AMSC N/A - FSC 4820 DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited INCH-POUNDI MIL-V-17547A(SH) 9 November 1988 SUPERSEDING 28 August 1953
3、 (See 6.7) MIL-V-l7547(NAVY) MILITARY SPECIFICATION VALVES, CHECK, BRONZE This specification is approved for use within the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification
4、 describes check valves of various types for low pressure air, water, and oil services. 1.2 Classification. Check valves shall be of the following types and classes as specified (see 6.1 and 6.2.1): Type A - Swing Type B - Lift horizontal Type C - Lift vertical Type D - Lift angle Type E - Tilting d
5、isc (top entry) Type F - Tilting disc (in line) Type G - Split disc (wafer type) Type H - Split disc (lug type) Class 1 - For working pressure 50 pounds per square inch (lb/in ) max., Class 2 - For working pressure 250 lb/in2 max. , 2-1/2 to 12 inches (for Class _. 3 - - For working pressure 400 lb/
6、in2 max. , 1/4 to 2 inches (for Class 4 - For working pressure 400 lb/in2 max. , 2-1/2 to 10 inches (for 2 14 inches and larger (for types E, F, G and H). types A, B, C, D, G and H). types A, B, C and D). types A, B, C and D). .-. -. . . . Provided by IHSNot for ResaleNo reproduction or networking p
7、ermitted without license from IHS-,-,-1.2.1 The following requirements pertain to type A class 2 and 3 valves shown on Drawings. 803-1385637 and 803-1385721 respectively. The drawings specify all of the requirements for the valves depicted and do not depend on any of the requirements contained in th
8、is specification. Conversely the requirements in this specification do not depend on any of the requirements in the drawings. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification to the exte
9、nt specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FEDERAL QQ-N-281 QQ-N-286 QQ-N-288 QQ-C-390
10、QQ-C-591 MILITARY MIL-V-3 MIL- S - 901 MIL-G-1149 MIL-F-1183 MIL-(2-6183 MIL-P-15024 MIL-P-15024/5 - MIL-F-20042 - MIL-L-24131 - MIL-B-24480 - Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections. N05500). Alloy Castings. Nickel-Copper-Aluminu
11、m Alloy, Wrought (UNS Nickel-Copper Alloy and Nickel-Copper-Silicon Copper Alloy Castings (Including Cast Bar). Copper-Silicon, Cpper-Zinc-Silicon, and Copper- Nickel-Silicon Alloys: Rod, Wire, Shapes, Forgings, and Flat Products (Flat Wire, Strip, Sheet, Bar and Plate) . Valves, Fittings, and Flang
12、es (Except for Systems Shock Tests, H.I. (High-Impact); Shipboard Indicated Herein); Packaging of. Machinery, Equipment and Systems, Requirements for. Durometer Hardness. General Specification for. Fuel and Oil Resistant Gaskets. Equipment. Gasket Materials, Synthetic Rubber, 50 and 65 Fittings, Pip
13、e, Cast Bronze, Silver-Brazing, Cork and Rubber Composition Sheet; for Aromatic Plates, Tags and Bands for Identification of Plates, Identification. Flanges, Pipe and Bulkhead, Bronze (Silver Lubricant, Colloidal Graphite in Isopropanol. Bronze, Nickel-Aluminum (UNS No. C95800) Castings Brazing) , f
14、or Seawater Service. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-V-17547A 48 777770b 0272380 B m MILITARY (Continued) MIL-S-45180 - Sealing Compound, Gasket, Hydrocarbon Fluid and MIL-R-83248 - Rubber, Fluorocarbon Elastomer, High-Temperat
15、ure, Water Resistant. Fluid, and Compression Set Resistant. STANDARDS FEDERAL FED-STD-H28 - Screw-Thread Standards for Federal Services. MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment Attributes. (Type I - Environm
16、ental and Type II - Internally Excited). MIL-STD-278 - Welding and Casting Standard. MIL-STD-798 - Non-Destructive Testing, Welding, Quality Control, Material Control and Identification and Hi-Shock Test Requirements for Piping System Components for Naval Shipboard Use. 2.1.2 Government drawinas - a
17、nd Publication. The following Government drawings and publication form a part of this specification to the extent speci- fied herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAWINGS NAVAL SEA SYSTEMS COMMAND (NAVSEA) NAVSHIPS 803-1385637 - Va
18、lves, Bronze, Flanged, Check 250 PSI WOG. NAVSHIPS 803-1385721 - Valves, Bronze, 1/4-2 Union End Swing Check, 400 PSI WOG. PUBLICATION NAVS EA 0900-LP-001-7000 - Fabrication and Inspection of Brazed Piping Sys tems . (Copies of specifications, standards, drawings, and publications required by contra
19、ctors in connection with specific acquisition functions should be obtained from the contracting activity or as dirocted by the contracting activity.) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified, the issu
20、es of the documents which are DoD adopted shall be those listed in the issue of the DoDISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS shall be the issue of the nongovern- a ment documents which is current on the date of the solicitatio
21、n. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) B16.24 - Bronze Pipe Flanges and Flanged Fittings. (DoD adopted) B18.2.1 - Square and Hex Bolts and Screws Inch Series Including B18.2.2 - Square and He
22、x Nuts (Inch Series), (DoD adopted) Hex Cap Screws and Lag Screws. (DoD adopted) (Application for copies should be addressed to the American National Standards Institute, 1430 Broadway, New York, NY 10018.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) B 61 - Standard Specification for Steam or
23、Valve Bronze Castings. (DoD adopted) B 98 - Standard Specification for Copper-Silicon Alloy Rod, Bar, and Shapes. (DoD adopted) B 148 - Standard Specification for Aluminum-Bronze Sand Castings. ( DoD adopted) B 164 - Standard Specification for Nickel-Copper Alloy Rod, Bar, and Wire. (DoD adopted) B
24、443 - Standard Specification for Nickel-Chromium-Molybdenum- Columbium Alloy (UNS N06625) Plate, Sheet, and Strip. 4 (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) HS J108
25、6 - Metals and Alloys in the Unified Numbering System. AMs 4676 - Alloy Bars and Forgings, Corrosion Resistant. AMs 4892 - Alloy Castings, Sand and Centrifugal, Corrosion and (DoD adopted) Heat Resistant, (Application for copies should be addressed to the Society of Automotive Engineers, 400 Commonw
26、ealth Drive, Warrendale, PA 15096.) (Nongovernment standards and other publications are normally available from the organizations which prepare or which distribute the documents. These documents also may be available in or through libraries or other informational services. ) 2.3 Order of Drecedence.
27、 In the event of a conflict between the text of this specification and the references cited herein (except for associated detail specifications, specification sheets or MS standards), the text of this specifi- cation shall take precedence. Nothing in this specification, however, shall supersede appl
28、icable laws and regulations unless a specific exemption has been obtained. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-nIL-V-175q7A I.18 m 9979906 0272382 L m MIL-V-l7547A(SH) 3. REQUIREMENTS 3.1 First article. When specified in the contract or p
29、urchase order, a sample shall be subjected to first article inspection (see 4.3 and 6.3). 3.2 Materials. Unless otherwise specified (see 6.2.1), valve materials shall be in accordance with table I. Materials other than those specified in table I may be used only upon approval of NAVSEA. A certificat
30、e of compliance shall be prepared (see 6.2.2 and appendix C). Valve parts Body Cap or cover Hanger or lever Disc Seat Hinge pin Disc nut Disc nut pin Disc washer Lever plug Threaded fasteners Gasket TABLE I. List of material. Specification Material Remarks or standard Valve bronze QQ-C-390, ASTM B 6
31、1 (UNS C92200) for sizes under 16 inches only Nickel-aluminum- alloy 958 (UNS C95800), bronze MIL-B-24480, ASTM B 148 all sizes Nickel-copper QQ-N-281, ASTM B 164 alloy (UNS N04400) QQ-N-286, AMs 4676 (UNS N05500), QQ-N-288 Comp. D, See notes Y and 2/ and 2/ See notes 11, I AMs 4892 (UNS N04019) Val
32、ve bronze I QQ-C-390, ASTH B 61 I I (UNS C92200) I I Silicon bronze I QQ-C-591, ASTM B 98 I ANSI B18.2.1 (UNS C65100) ANSI B18.2.2 Nickel-copper (UNS N04400) alloy See note L/ QQ-N-281, ASTM B 164 Nitrile and cork I MIL-C-6183, class 1. I For JP-5 sheet For water MIL-G-1149, type I, Synthetic rubber
33、 air service class 1 For oil and MIL-R-83248, type II, Fluorocarbon grade C firm I I I I - 1/ Table I contains the commercial and Military specifications and standards, and in addition, contains the corresponding SAE HS J1086 Unified Numbering System (UNS) designation. Reference to a specific UNS de
34、signation will permit the use of any one of the many alloy specifications and standards listed in SAE HS J1086 for that UNS number. 2/ Valves for seawater service shall be provided with nickel-copper alloy trim, such as discs, seats, disc nuts, hinge pins, side plugs and washers as applicable, QQ-N-
35、286 shall be used for valve trim. 1/ For valves where low permeability (non-magnetic) material is required, 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V- 17547A( SH) 3.2.1 Recovered materials. Unless otherwise specified herein, all equip-
36、ment, material and articles incorporated in the products covered by this specifi- cation shall be new and may be fabricated using materials produced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which
37、have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. None of the above shall be interpreted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise specifically specifi
38、ed. 3.3 Service ratinq. Maximum gauge pressure and maximum temperature for valves shall be as specified in table II. TABLE II. Service rating. Nominal pipe size (nps) Maximum Maximum gauge lype temperature (“F) pressure ( lb/in2) (inches) Class A See Dwg 803-1385637 2-1/2 to 12 inclusive; 2 See Dwg
39、803-1385721 1/4 to 2 inclusive; 3 250 lb/in2 maximum 400 lb/in2 maximum 4 y150 400 2-1/2 to 10 inclusive; 400 lb/in2 maximum 240 300 280 250 3 20 200 360 42 5 150 400 200 350 5, c y150 250 2-1/2 to 12 inclusive; 2 and D 200 235 250 lb/in2 maximum 425 150 400 160 350 180 300 200 250 215 3 p150 400 1/
40、4 to 2 inclusive; 400 lb/in2 maximum 250 320 200 360 400 lb/in2 maximum 240 3 50 200 425 150 400 Z, F, G 1 14 and larger 50 11150 4 300 280 2-1/2 to 10 inclusive; and H 50 lb/in2 maximum See footnote at top of next page. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without
41、license from IHS-,-,-flfL-V-L75Y?A Y8 m 999990b 027238Y S MIL-V-l7547A(SH) m .l./ The service pressure rating at temperatures less than 150 degrees Fahrenheit (“F) shall be the same as the rating shown for 150F. Valves used at these lower temperatures shall conform to the requirements applicable to
42、the condition under which it is used. 3.4 Construction. 3.4.1 Bodv walls. The walls of valve bodies shall not have flat surfaces. Ribbing shall be provided as necessary to prevent distortion. 3.4.1.1 Threads on threaded parts shall comply with FED-STD-H28. 3.4.2 Discs. Discs shall be either of cast
43、or forged nickel-copper alloy or bronze with an insert of nickel-copper alloy (cast, forged or sheet), in accordance with table I, securely silver brazed to the disc to form the seating surface. Silver brazing shall be in accordance with NAVSEA 0900-LP-001-7000, The finished thickness of the insert
44、shall be at least 1/8 inch for valves 2-1/2 to 6 inches, 5/32 inch for valves 7 to 12 inches, 3/16 inch for valves 14 to 22 inches, 1/4 inch for valves 24 to 30 inches and 3/8 inch for valves 32 to 40 inches. 3.4.3 Seat. Segmented seat rings shall not be permitted. 3.4.4 Bodv. Valve bodies shall be
45、one-piece construction. 3.4.5 End connections. Unless otherwise specified (see 6.2.1), valves in sizes 2 inches and below shall be furnished with silver-brazing union ends in accordance with MIL-F-1183. Valves in sizes 2-1/2 inches and larger shall be furnished with flanged ends. The flanges shall b
46、e cast integrally with the valve body, and the inlet and outlet flange shall be of the same size and pressure rating . 3.4.6 Flanees. Flanges shall be in accordance with MIL-F-20042 using corresponding pressure ratings. Unless otherwise specified (see 6.2.1), valves shall be supplied with flanges dr
47、illed in accordance with MIL-F-20042; except where an odd number of bolt holes is specified (see 6.2.1). The flange bolt holes shall be equally spaced and positioned such that the full section cutting plane bisects the angle between the holes. Flanges shall be spot faced or finished on the back para
48、llel to the flange face within 1 degree for the bolt heads and nuts. The spot face shall not cut more than 1/32 inch below the minimum plate thickness. Eccentricity of the spot face diameter with the bolt hole shall be minimized to provide facing for the bolt head. Diameter for spot facing shall be
49、110 to 120 percent of the bolt head corner-to-corner dimension. Rims need not be finished provided they do not have surface discontinuities such as cracks, sand inclusions, gas holes, cracks or excessive shrinkage. 3.4.7 Face to face dimension. Flanged valves shall have face to face and face to end dimensions as specified in table III. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-
