1、E - 3 /-o9 MIL-V-24639 4 9 9999906 0275353 B MIL-V-24619(SH) 12 September 1983 MILITARY SPECIFICATION VALVE, QUICK CLOSING, FOR SATURATED STEAM SERVICE This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Age
2、ncies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers quick closing valves for saturated steam service which are hydraulically actuated. 1.2 Classification. Valves shall be of the types and ratings specified in 1.2.1 and 1.2.2, as specified (see 6.2.1). 1.2.1 Type. Valves
3、 shall be of the following types: . Type I - Globe valve with inline nozzles. Type II - Angle valve. Type III - Globe valve with offset nozzles. 1.2.2 Rating. The valves shall be designed and rated in accordance with ANSI B16.34 special class 600 or 900, except as modified herein. 2. APPLICABLE DOCU
4、MENTS 2.1 Government documents. 2.1.1 Specifications and standards. Unless otherwise specified, the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation form a part of this s
5、pecification to the extent specified herein. 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 by using
6、 the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. *US. GOVERNMENT PRINTING OFFICE.1983-605-034/4560 FSC 4820 Licensed by Information Handling ServicesSPECIFICATIONS FEDERAL QQ-C-320 QQ-S-763 PPP-P-40 MILITARY MIL-P-11
7、6 MIL-S-901 MIL-S-1222 MIL-H-6083 MIL-S-8660 MIL-P-15024 MIL-V-24b37 YB W 977770b 0275352 T W MIL-V-24619(SH) - Chromium Plating (Electrodeposited). - Steel Bars, Wire, Shapes, and Forgings, Corrosion- - Packaging and Packing of Hand Tools. Resisting. - Preservation, Methods of. - Shock Tests, H.I.
8、(High-Impact); Shipboard Machinery, - Studs, Bolts, Hex Cap Screws, and Nuts. - Hydraulic Fluid, Petroleum Base, for Preservation and Operation. - Silicone Compound. - Plates, Tags and Bands for Identification of Equipment and Systems, Requirements for. Equipment. MIL-P-15024/5 - Plates, Identificat
9、ion. MIL-R-17131 - Rods and Powders, Welding, Surfacing. MIL-L-17331 MIL-G-21032 - Gaskets, Metallic - Asbestos, Spiral Wound. MIL-S-22473 - Sealing, Locking, and Retaining Compound; Single- MIL-L-24131 MIL-L-24478 MIL-L-24479 WD-G-24508 - Grease, High Performance, Multi-Purpose. (Metric) MIL-P-2454
10、8 - Penetrating Fluid. MIL-S-45180 - Sealing Compound, Gasket, Hydrocarbon Fluid and - Lubricating Oil, Steam Turbine and Gear, Moderate Service Component. - Lubricant, Colloidal Graphite in Isopropanol. - Lubricant, Molybdenum Disulfide in Isopropanol, - Lubricant, Red Lead and Graphite in Mineral
11、Oil. Water Resistant. STANDARDS FEDERAL FED-STD-H28 - Screw-Thread Standards for Federal Services. MILITARY MIL-STD-129 MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment - Marking for Shipment and Storage. (Type I - Environmental and Type II - Internally Excited) MIL-STD-271 - Nondestruct
12、ive Testing Requirements for Metals. MIL-STD-278 - Fabrication Welding and Inspection; and Casting Inspection and Repair for Machinery, Piping and Pressure Vessels in Ships of the United States Navy - Identification Marking Requirements for Special Purpose Components. - Provisioning Technical Docume
13、ntation, Uniform Department of Defense Requirements for. - Provisioning Procedures, Uniform Department of Defense. MIL-STD-792 MIL-STD-1552 MIL-STD-1561 2 Licensed by Information Handling ServicesMIL-V-ZLIh17 48 9799906 0275353 L W 2.1.2 Other Government documents and publications. The following oth
14、er Government documents and publications form a part of this specification to the extent specified herein. PUBLICATIONS NAVAI, SEA SYSTEMS COMMAND (NAVSEA) 0900-LP-003-8000 - Metzals, Surface Inspection Acceptance Standards. 0948-LP-019-0010 - Valve Gate Grinder Resealing Model 100R 400 2000N 400N a
15、nd 800N, TM/W CHG. (Copies of specifications, standards and publications required by con- tractors in connection with specif ic acquisition functions should be obtained fromthe contracting activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a par
16、t of this specification to the extent specified herein. The issues of the documents which are indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) B1.12 - Class 5 Interference-Fit Thread. B16.
17、34 B18.2.1 - Square and Hex Bolts and Screws Inch Series Including B18.2.2 - Square and Hex Nuts. - Valves-Flanged and Buttwelding End Steel, Nickel Alloy, and Other Special Alloys. (DoD adopted) Hex Cap Screws and Lug Screws. (DoD adopted) (DoD adopted) (Application for copies should be addressed t
18、o the American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018.) ASTM A 105 - Forgings, Carbon Steel, For Piping Components. A 106 - Seamless Carbon Steel Pipe for High-Temperature Service. A 182 - Forged or Rolled Alloy - Steel Pipe Flanges, Forged Pit- (DoD adopted) tings, an
19、d Valves and Parts for High-Temperature Service. (DoD adopted) A 193 - Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Service. (DoD adopted) A 194 - Carbon and Alloy Steel Nuts for Bolts for High-pressure and High-Temperature Service. (DoD adopted) A 216 - Carbon-Steel Castin
20、gs Suitable for Fusion Welding for High-Temperature Service. (DoD adopted) A 217 - Martenistic Stainless Steel and Alloy Steel Castings for Pressure-Containing Parts Suitable for High-Temperature Service. (DoD adopted) A 479 - Stainless and Heat-Resisting Steel Wire, Bars, and Shapes to Use in Boile
21、rs and Other Pressure Vessels. (DoD adopted) A 582 - Free-Machining Stainless and Heat-Resisting Steel Bars, Hot-Rolled or Cold-Finished. (DoD adopted) B 168 - Nickel-Chromium-Iron Alloy (UNSN06600) Plate, Sheet, and Strip. (DoD adopted) 3 Licensed by Information Handling Services MIL-V-24b39 48 M 7
22、999906 0275354 3 (Application for copies should be addressed to the ASTM, 1916 Race Street, Philadelphia, PA 19 103. ) INSTRUMENT SOCIETY OF AMERICA (ISA) S75.02 - Control Valve Capacity Test Procedure. (Application for copies should be addressed to the Instrument Society of America, P.O. Box 12277,
23、 Research Triangle Park, NC 27709.) UNIFORM CLASSIFICATION COMMITTEE AGENT Uniform Freight Classification Ratings, Rules and Regulations (Application for copies should be addressed to the Uniform Classification Committee Agent, Tariff Publication Officer, Room 1106, 222 South Riverside Plaza, Chicag
24、o, IL 60606.) (Industry association specifications and standards are generally available They are also distributed among technical groups for reference from libraries. and using Federal agencies.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the refe
25、rences cited herein, the text of this specifica- tion shall take precedence. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2.1), a sample shall be subjected to first article inspection (see 4.3 and 6.3). 3.2 Materials. Materials shall be as specified in table I. Materials for parts other
26、than those listed in table I shall be suitable for the intended pressures and temperatures and shall be selected to prevent galling, seizing or excessive wear on operating parts. TABLE I. List of material. Name of part Body and bonnet Stem and stem sleeves Disc Fasteners Gaskets Material form Forgin
27、gs or castings Forging, bar stock Forging or casting Alloy steel for high temperature service Spiral wound Applicable documents ASTM A 105; ASTM A 216, grade WCB; ASTM A 217, grade WC6 ASTM A 182, grade F6; ASTM A 582, type 416; QQ-S-763, class 410; ASTM A 479, type 410 ASTM A 105; ASTM A 216, grade
28、 WCB; ASTM A 217, grade WC6; ASTM A 182, grade F11 ASTM A 193, grade B7 or B16; ASTM A 194, grade 2H or 4; MIL-S-1222 MIL-G-21032, type I, class A or B 4 Licensed by Information Handling Services_ Name of part Seating, surface hard facing Stem bushings Drain and bypass lines MIL-V-24619(SH) TABLE I.
29、 List of material. - Continued Material form Cobalt and chromium alloy Forged, bar stock Applicable documents MIL-R-17131, MIL-CoCr-A QQ-S-763, class 440C ASTM A 106, grade B 3.2.1 Sulfur content. The sulfur content of carbon and alloy steel pressure boundary parts intended for welding shall be 0.05
30、0 percent maximum. 3.2.2 Magnesium alloy. Magnesium alloy shall not be used. 3.2.3 Cast iron. Cast iron shall not be used. 3.2.4 Aluminum and zinc castings. Aluminum and zinc castings shall not be used. 3.2.5 Cadmium plating. Cadmium plating shall not be used. Zinc coating shall not be used on surfa
31、ces of internal parts of hydraulic equipment which may be in contact with hydraulic fluid. 3.2.6 Mercury. Valves shall not contain metallic mercury or mercury compounds and shall be free from mercury contamination (that is, during the manufacturing process, tests or inspections). Valves shall not-ha
32、ve come in direct contact with mercury or any of its compounds nor with any mercury containing devices employing only a single boundary of containment. (A single boundary of containment is one which is not backed by a second seal or barrier to prevent contamination in event of rupture of the primary
33、 seal or barrier.) Mercury contamination of the valves will be cause for rejection of the material. 3.2.7 Lubricants and compounds. Lubricants and compounds identified as shown below shall be specified for shipboard maintenance. This requirement only applies to applications where forces afloat may h
34、ave to maintain or assemble and disassemble the valve on board ship. This requirement does not apply to lubricants and compounds used only in the manufacturing process (for example, cutting oils). (a) Lubricants (1) Lubricating oil in accordance with MIL-L-17331 (Military (2) Grease in accordance wi
35、th DOD-G-24508. symbol 2190 TEP). 5 Licensed by Information Handling Services. MIL-V-24619 Y 9999706 0275356 7 W (b) Anti-galling compounds (1) (2) (3) Graphite in isopropanol in accordance with MIL-L-24131 Molybdenum disulfide in isopropanol in accordance with Red lead and graphite in mineral oil i
36、n accordance with (Military symbol CGI). MIL-L-24478. MIL-L-24479. (c) (d) (e) Locking compound in accordance with MIL-S-22473, grade AV. (f) Sealing compound in accordance with MIL-S-45180, type II. Silicone compound in accordance with MIL-S-8660. Penetrating fluid in accordance with MIL-P-24548. 3
37、.2.8 Recovered materials. Unless otherwise specified herein, all equip- ment, material, and articles incorporated in the products covered by this specification shall be new and shall be fabricated using materials produced from recovered materials to the maximum extent practicable without jeopardizin
38、g 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 materials, as opposed to virgin raw materials. None of the above shall be interpreted to mean that the use of used or rebuilt products
39、is allowed under this specification unless otherwise specifically specified. 3.3 Design and construction. The valve design shall utilize steam pressure so that the valve closes when hydraulic pressure is relieved even if the valve spring is broken. to thermal expansion. and disassembly of the valve
40、can be accomplished on board ship by Navy personnel. Clearances shall be such as to prevent interferences due Valve design and construction shall assure that assembly 3.3.1 Pressure-temperature ratings. The design and pressure-temperature rating of the valves shall be in accordance with ANSI B16.34
41、special class 600 or 900. 3.3.2 End preparation. Weld preparations for pipe end connections and drain and bypass bosses shall be as specified (see 6.2.1). End connections for hydraulic piping shall be flanged or union end connections as specified (see 6.2.1). 3.3.3 End connections. Valve end connect
42、ions shall withstand the forces and moments imposed by the connecting pipe to which they are attached. For design purposes, the maximum value of the fiber stress in the connecting pipe produced by these forces and moments shall be considered to be equal to the 0.2 percent offset yield stress of the
43、piping material at room temperature. the valve is intended to be used as a piping system anchor point, additional design criteria shall apply (see 6.2.1). When 3.3.4 Drain, bypass and leakoff connections. 3.3.4.1 shown in table II. Size of drains and bypasses. Drains and bypasses shall he as 6 Licen
44、sed by Information Handling ServicesMIL-V-24619 48 W 9399906 0275357 7 H MIL-V-24619(SH) TABLE: II. Drain and bvDass sizes. Valve size (n.p.s .) Drain and bypass size (n.p.s .) 2-1/2 - 4 5 - 12 14 - 20 24 1/2 1 1-1/2 2 3.3.4.2 Location. The location of drains and bypasses shall be as specified (see
45、6.2.1). Location of drains shall provide maximum drainage from bonnet cavity closures and shall permit nondestructive testing of root connec- tions. 3.3.4.3 Root connections. Drain and bypass line root connections shall employ integral bosses or bosses that are welded to the body by a full penetra-
46、tion weld. 3.3.4.4 Leakoff connection. Stem leakoff connection shall be flanged. The root connection shall be an integral boss or boss that is welded to the body by a full penetration weld. Unless otherwise specified (see 6.2.1), the size, schedule and pressure rating of pipe and flange shall be est
47、ablished by the manufacturer (see 3.3.16). 3.3.5 Dynamic and spring loads. The design of the valve shall take into consideration dynamic and spring loads imposed by actuators. Calculations showing these design considerations shall be submitted for approval. 3.3.6 Port arrangement. For type III valve
48、s, the offset dimensions shall be as specified (see 6.2.1). 3.3.7 Weights and center of gravity. The manufacturer shall supply a calculated weight and estimated center of gravity with the proposal. After completion of the first valve, the actual dry weight and calculated center of gravity shall be s
49、hown on the cross-section drawing. 3.3.8 Overall dimensions. Valve space envelope requirements shall be as specified (see 6.2.1). 3.3.9 Shock and vibration. 3.3.9.1 The valve with the actuator installed shall withstand the shock requirement in accordance with MIL-S-901, grade A, class I, type A. 3.3.9.2 The valve with the actuator installed shall withstand the vibration test in accordance with MIL-STD-167-1. 7 Licensed by Information Handling Services3.3.10 Flanged bonnets or covers. The valve bonnet or cover shall be secured by cap screws, through bolts, or studs. incorporate the fo
