1、MIL-V-24 569 (CH) 17 July 1978 blILITAFY SPECIFICATION VALVE, QUICK-CLOSING, FOR FUEL OIL AND AUXILIARY STEAM EMERGENCY SHUTDOWN This specification is approved for use by the Naval Sea Systems Command and is available for use by all Departments ana Agencies of the Depart- ment of Defense. 1. SCOPE 1
2、.1 Scope. This specification covers a flanged, one-way, quick-closiny valve for 2 fuel oil up to 1000 pounds per square inch (lb/in ) at ambient temperature, and auxiliary stem service at GOO lb/in ano 775OF. 2 (see with (see 1.2 Classification. Valves shall be classified in accordance with the type
3、s and rating 1.2.1 and 1.2.21, as specified (see 6.2.1). 1.2.1 Types. Valves shall be of the following types, as specified (see 6.2.1): Type I - Steel, flanged. Type II - Bronze, flanged. 1.2.2 Rating. ANSI B16.34, and type II valves shall be class 150 in accordance with MIL-F-20042 6.2.1). 2. APPLI
4、CABLE DOCUMENTS Type I valves shall be class 600, size6 2 inches and less in accordance 2.1 Issues of documents. The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS FE
5、DERAL OQ-C-390 - Copper Alloy Castings (Including Cast Bar). QQ-C-591 - Copper-Silicon, Copper-Zinc-Silicon, and Copper-ickel-silicon Alloys: Rod, Wires, Shapes, Forgings, and Flat Products, (Flat Wire, Strip, Sheet, Bar and Plate). QQ-N-281 - Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire,
6、 Foroings, and Structural and Special Shapes Sections. QQ-N-286 - Nickel-Copper-Aluminum Alloy, Wrought. QQ-S-763 - Steel Bars, Wire, Chapes, and Forgings, Corrosion-Resisting. NIL-V-3 - Valves, Fittings, and Flanges (Except for Systems Indicated Herein); MIL-R-196 - Repair Parts for Internal Combus
7、tion Engines, Packagin? of. MIL-C-901 - Shock Tests , H .I. (Iligh-Impact) : Shipboard tlachinery, Equipment and Systems, Requirements for. MIL-B-16541 - Bronze, Valve: Castings. NIL-R-17131 - Rods and Powders, Welding, Surfacing. MIL-F-20042 - Flanges, Pipe, Bronze (Silver Brazing). PUL-G-21032 - G
8、askets, Hetallic-Asbestos , Spiral Wound. NIL-B-24480 - Bronze, Nickel-Aluminun Castings, For Seawater Service. MIL-1-45208 - Inspection System Requirements. XLITARY Packaging of. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this
9、 document shoult! be ad6resseA to: Conmander, Naval Ship Enqineering Center, SEC 6124, Department of the Navy, Washington, DC 20362 by using the self-adclressed Standarclization Document Improvement Proposal (DD Form 1426)appearino at the enc? of this docmnt or by letter. FSC 4820 THIS DOCUMENT CONT
10、AINS 10 PAGES. -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-245b9 48 7777906 0275017 Lt E MIL-V-24569(SH) STANDARDS MILITARY . MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-167-1 - Mechanical Vibration
11、s of Shipboard Equipment (Type I - Envi- ronmental and Type II - Internally Excited). MIL-STD-278 - Fabrication Welding and Inspection; and Casting Inspection and Repair for biachinery, Piping and Pressure Vessels in Ships of the United States Navy. MIL-STD-798 - Nondestructive Testing, Welding, Qua
12、lity Control, Material Control and Identification and 111-Shock Test Requirements for Piping System Components for Naval Shipboard Use. DRAWING MILITARY NAVCHIPS 803-1385541 - Valves, Bronze Flanged, Glohe, Angle and Cross, Stop and Stop Check, 8-135: Steam Service at 100 Psi at 425O Max. in connect
13、ion with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) the extent-i- Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. (Copies of specifications, standards, d
14、rawings, and publications required by contractors 2.2 Other ublications. The following documents form a part of this specification to AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI 1 B1.12 - Class 5 Interference - Fit Thread. B16.5 - Steel Pipe Flanges, Flanged Valves, and Fittings. B16.10 - Face-to-Fa
15、ce and End-to-End Dimensions of Ferrous Valves. B16.34 - Steel Butt - Welding End Valves. B18.2.1 - Square and Hex Bolts and Screws, Including Askew Head Bolts, Hex B18.3 - Socket Cap, Shoulder, and Set Screws. Cap Screws, and Lag Screws. (Application for copies should be addressed to the American N
16、ational Standards Institute, 1430 Broadway, New York, New York 10018.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTII) A105 - Forgings, Carbon Steel, for Piping Components. A182 - Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves . and Parts for High-Temperature Service. A193
17、 - Alloy-Steel and Stainless Steel Bolting Materials for Hiqh-Temperature A194 - Carbon and Alloy Steel Nuts for Bolts for High-pressure and High- A479 - Stainless and Heat-Resisting Steel Bars and Shapes for Use in Boilers A567 - Iron, Cobalt, and Nickel Base Alloy Castings for High Strength at A58
18、2 - Free-Machining Stainless and Heat-Resisting Steel Bars, Hot-Rolled or B61 - Steam or Valve Bronze Castings. Service, Temperature Service. and Other Pressure Vessels. Elevated Temperatures. Cold-Finished. (Application for copies should be addressed to the American Society for Testing and Material
19、s, 1916 Race Street, Philadelphia, Pennsylvania 19103.) AMERICAN IRON AND STEEL INSTITUTE (AISI) Steel Products Manual. (Application for copies should be addressed to the American Iron and Steel Institute, (Technical society and technical association specifications and standards are generally 1000 1
20、6th Street NV7, Washington, DC 20036.) available for reference from libraries. They are also distributed among technical groups and using Federal agencies.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-ELJ567 LJ 7777906 0275OL b MIL-V-2456
21、9 (SH) 3. -REQUIREMENTS 3.1 Sam le for first article ins ection be examinedktzedpeci f ied-le Prior 6.3). to beginning production a sample shall 3.2 Materials. Materials shall be as specified in table I, or where not specified, shall be of the best commercial grade and suitable for the purpose inten
22、ded. Scrap metal shall be used to the maximum extent practicable in the form of reclaimed materials provided the material is properly recovered. Proper recovery shall be interpreted to mean the smelting of the scrap materials to produce the chemical and physical properties required by the applicable
23、 material specification. TABLE I. Materials. Part Body and bonnet 1 Gaskets Pressure boundary penetration Seats, discs or seat and disc facings Stems or pressure boundary penetration rods Studsl cap screws and through-bolts Nuts for pressure containment Material form Forgings and castings Spiral wou
24、nd, metal crush elastomer Bellows; plastic, metallic; plastic non-metallic Hard-facing, investment cast or bar stock Forged or rolled Heavy semi-finished hexa- gon; carbon and alloy steel for temperature bolting Applicable documents Type I valves ASTP4 A105; grade WCB ASTM A216, MIL-G-21032, type I;
25、 metal commercia 1 Commercial MIL-R-17131, type MIL-RCoCr-A or ASThI A567 GR 1 ASTM A182, GR F6; ASTM A582, type 416; QQ-S-763, class 410; AIS1 410 or 416; ASTM A479, type 410 ASTM A193, grades B7 and B16 ASTM A194, grades 2, 2H and 4 Type II valves ASTM B61; QQ-C-3 90, alloy 903 or 922; MIL-B-24480
26、 O MIL-B-16 54 1 Commercial Commercial QQ-N-281; QQ-N-28 6 QQ-N-281; QQ-N-286 QQ-N- 28 1 ; QQ-N- 2 8 6 ; QQ-C-591 QQ-N-2 8 1 ; QQ-N-28 6; QQ-N-59 1 3.3 Design. Design features shall be as specified in 3.3.1 through 3.3.13.2. 3.3.1 The valve shall be capable of being actuated locally and remotely. 3.
27、3.2 The valve shall be actuated by a single acting mechanism. 3.3.3 The valve shall have a maximum closing time of 1 second. 3.3.4 The valve shall have an anti-slamming feature. 3.3.4.1 The anti-slamming feature (see 3.3.4) shall not prevent tight closure of the valve due to contaminants normally fo
28、und in fuel and steam lines. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-24567 4 M 9777706 0275037 B I Pounds MIL-V-24569 (SH) 3.3.5 The valve shall be actuated by a distinct positive pull motion. An actuating motion requiring the operato
29、r to hold the lever at the tripped position or prior to the tripped position to effect actuation is prohibited. to reset the actuating mechanism. the stem, turning of a handwheel, or pulling of a lever. handwheel clockwise to engage a latch to permit subsequent counterclockwise action to open and re
30、set the valve, the mechanism shall be rugged or protected. This actuating mechanism shall be sufficiently strong so that valves will not be damaged by improper turning of the handwheel by one man without the use of mechanical assistance. 3.3.7.1.1 Where the valve design requires initial counterclock
31、wise rotational motion to reset the valve, the resetting instructions shall be forged or cast into the handwheel, or shall have an instruction plate permanently attached to the valve. 3.3.6 Valve shall be a design that does not require disconnecting the remote cable 3.3.7 The valve shall be reset op
32、en by conventional valve motions, such as lifting of 3.3.7.1 Where the rotational motion to reset the valve requires initially turning the 3.3.8 The valve shall have a positive means of preventing any shaft penetrating the 3.3.9 The valve shall have a position indicator. 3.3.10 Threaded fasteners fo
33、r pressure containing parts shall be any of the following: pressure boundary from being removed through the boundary during operating conditions. (a) Through-bolts threaded the entire length and fitted with a nut on each end. Threads on the bolts and nuts shall be class 2 fit. (b) Tap end studs with
34、 interference class 5 fit at tap end and a class 2 fit at nut end, Stud engagement length shall be in accordance with ANSI B1.12. (c) Hex head cap screws in accordance with ANSI B18.2.1 or hexagon socket head cap screws in accordance with ANSI B18.3. The cap screws shall be engaged a minimum of one
35、diameter length of fully formed threads. 3.3.11 Size of handwheel. The valve handwheel shall be sized so that a tangential force of not more Zan the value specified in table II is required to be exerted on the rim of the handwheel to reset the valve against a differential pressure of 1000 lb/in . Th
36、e valve lever, where used, shall be so sized that the length is equal to the diameter of hand- wheels in table II, and the force does not exceed the force required for the handwheel. 2 Handwheel diameter I Tangential force I 2 and below 3 4 5 6 I 8 9 10 11 12 14 16 18 21 24 27 30 36 90 98 106 112 11
37、8 121 124 127 130 133 135 138 14 1 144 147 150 150 150 150 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-24569 48 W 9999906 0275020 Li MIL-V-2 4 569 (SH) 3.3.12 Type I. 3.3.12.1 through 3T3.12.3. 3.3.12.1 The valve shall have face-to-face a
38、nd center-to-face dimensions in accordance Additional design features for type I valves shall be as specified in . with ANSI B16.10, class 600 globe valves. Flanges shall be in accordance with ANSI B16.5, class 600. 3.3.12.2 3.3.12.3 The valve seat and disc seating surfaces shall be hard-faced in ac
39、cordance The body and bonnet or cover materials shall be in accordance with table I. with table I. 3.3.13 we II. in 3.3.13.1 and 3.3.13.2. 3.3.13.1 The valve shall have flanges in accordance with MIL-F-20042, class 150. The Additional design features for a type II valve shall be as specified valve s
40、hall have face-to-face and center-to-face dimensions in accordance with Drawing 803-1305541. 3.3.13.2 3.4 Shock. The valve shall withstand the requirements of-grade A, class I, type C 3.5 Vibration. The valve shall withstand the requirements of vibration tests in The body and bonnet or cover materia
41、ls shall be in accordance with table I. shock in accordance with MIL-S-901, and MIL-STD-798. accordance with MIL-STD-167-1, type I. 3.6 Structural soundness. 3.6.1 A type I valve shall withstand the hydrostatic shell test pressures in accordance A type II valve shall withstand hydrostatic shell test
42、 pressures of 225 lb/in . with ANSI B16.34. 2 3.6.2 3.7 Line pressure. The valve shall be capable of being opened against a line pressure of 1000 lbz fuel or 600 lb/in2 steam for type I valves, and 150 lb/in2 for a typeII valve without the aid of an external equalizing bypass. techniques shall not b
43、e used unless specifically accepted by the Naval Ship Engineering Center (NAVSEC) . 3.8 Welding. Welding shall be in accordance with MIL-STD-278. Special welding 3.9 Threads. Pipe plugs and mating threads or threaded components, where used, shall have c traighthined threas. 3.10 Impregnation, where
44、required, shall be in accordance with MIL-STD-278. 3.11 The valve shall be capable of operating for 1,000 cycles minimum without the replacement of parts or adjustments. 3.12 Ceat leakage. 3 The valve shall have a maximum initial seat leakage of 10 cubic 3 centimeters per hour (cm /h) per inch of no
45、minal size for a valve 1 inch and larger, and 10 cm /h total for a valve less than 1 inch in size, The test shall be conducted at 1,000 lb/in2 for a type I valve and 150 lb/in2 for a type II valve. shall be clean tap water with no additives other than mineral cutting oil or clean hydraulic oil with
46、no suspensions. 3.13 Marking. 3.13.1 Body marking. The testing medium The valve body shall be marked with a flow direction indicator, the pressure rating, and the manufacturers name or trademark etched, stamped or cast integral with the body. The valve shall have an identification plate made of corr
47、osion resistant steel, anodized aluminum or brass. The identification plate shall be permanently fastened to a part of the valve not subjected to the working pressure or to the edge of a flange. 3.13.2 Identification plates. The identification plate shall include the following information: (a) Manuf
48、acturers name or trademark. (b) Size of valve and rating. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-29569 48 9999906 0275023 b I tem Packing and gaskets Quantities 50 percent of total order but not less than two sets for each size, comp
49、osition and pressure rating. Other part 6 As recommended by manufacturer Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4. QUALITY ASSURANCE PROVISIONS 4.1 Res nsibilit for ins ection Unless otherwise specified in the contract, the Except as otherwise specified in the contract, the contractor may use his own or contractor is?esponsibfefmance of all inspection requirertients, as specified herein. any other
