1、MIL-V-Z2549D(SH) AMENDMENT-1 13 April 1977 MILITARY SPECIFICATION VALVES, ANGLE, RELIEF, MR GAS AND OXYGEN SERVICE (SIZES 2-INCHES IPS AND BELOW); NAVAL SHIPBOARD This amendment forma a part of Military Specification MIL-V-22549D(SHIPS), dated 20 September 1968 and is approved for use by all Departm
2、ents ant5 Agencies of the Department. of Defense. PAGE 1 1 2.1, under SPECIFICATIONS, MILITARY: Delete reference to “MIh-D-1000/2U and “MIL-M-15071“. 2.1, under STANDARDS, MILITARY: Add: “MIL-STD-798 - Nondestructive Testing, Welding, Quality Control, Material Control and Identification and HI-Shock
3、 Test Requirements for Piping System Components for Naval Shipboard Use.“ PAGE 6 3.6, delete and substitute: mechanical shock requirementsf MIL-S-901, the HI-shock test guidance of MIL-STD-798, and “3.6 Mechanical shock and vibration Valves shall be designed to conform to the the vibration requireme
4、nts of MIL-STD-167-1. Requirements or shock and vibration testing shall be when specified (see 6.2) . “ PAGES 7 and 8 3.8, 3.8.1, 3.8.2, 3.8.3, and 3,9: Delete and substitute: “3.8 Technical data. The cottractor shall prepare technical data in accordance with the data ordering docts included in the
5、contract or order (see 6.2.l), and as specified in 3.8.1 through 3.8.2. document (see 6.2.1) , the following unique features shall be included: “3.8.1 Drawings. In addition to the drawing content required by the data ordering Accurately scaled sectional assembly which clearly depicts the design and
6、construction of the valve. Bill of material listing specification, grade, condition, eind any other data required to fully identify the properties of the materials proposed. Details of the seat, disc, and stem assembly and all other replaceable internal trim. Layout of the pressure-containing envelo
7、pe (body, bonnet, and bottom cap) giving dimensions which control compression of the spiral-wound gaskets. This is to assure that where remachining is necessary to repair the gasket- made to restore original gasket compression. This layout shall also sealing surfaces on these parts, that compensatin
8、g cuts can be accurately specify the dimensional limits of such corrective remachining within which Recommended assembly torques, or equivalent procedures, for making up all function of the valve remains unaffected. Tabulation of required gasket characteristics including all dimensions (with joints
9、and threaded assemblies. Mark areas to be radiographic, magnetic particle, or dye penetrant inspected. tolerances) and load vereus compression characteristics (with tolerances). PSC 4820 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-22547D (1
10、) 48 W 7777906 O274042 7 W! contractor (see 6.2.1). In addition to the general.requirements, the certification data sheets shall include the following: “3.8.1.1 Certification data. Certification data sheets shall be prepared by the Application description including (ii through Cm) of 6.2. Valve desc
11、ription. .-. The set pressure and adjustable range of valve. Required accuracy of regulation over specified tange of operating conditions. Rated accuracy of regulation over specified range of operating conditions. Required maximum capacity under specified conditions. Fail-open capacity (for purposes
12、 of relief valve sizing). .Rated maximum capacity under specified conditions. ;r -. “ 3.8.1.2 ProvisLoEig data. When specified (see 6.2) , provisioning data shall be “ prepared by the contractor (see 6.2.1). . . . “ . . 6.2.1), the following shall be included as part of the contents: “3.8.2 Manuals.
13、 In addition to the general requirements for technical manuals (see (a) Drawings for the valve (including certification data sheet). Drawings shall be supplemented by additional illustrations where necessary to adequately illustrate operation and maintenance. These additional illustrations m;y consi
14、st of blowouts, partial or full sections,. etc., and may eliminate extraneous lines and details to clarify the interaction of parts. dures) for making up all joints and threaded assemblies. wear or change and the acceptable dimensional lin!its, surface finish should include procedures for checking a
15、ll critical dimensions subject to -condition, etc. Also, the appropriate procedure (that is, part replacement, correction at repair facility, or repair at manufacturers facility) which (d) Detailed disassembly and reassembly procedures. -In addition to providing should be followed to correct each ca
16、se of damage or wear. procedures for the complete disassembly and reassembly of the equipment, maintenance and troubleshooting sections shall contain, or refer to, only the limited disassembly and reassembly required to accomplish each particular operation. This is intended to reduce the possibility
17、 of unnecessary disassembly and unnecessary disturbance of adjustments when performing specific or limited maintenance or troubleshooting operations. (b) Table listing wrench sizes and assembly torques (or other equivalent proce- (c) Instructions to permit overhaul by shipyard or other repair facili
18、ty. These (e) Adjustment procedures.“ PAGE 9 Table IV, column 2, opposite “HI-shock test“, delete and substitute: .Grade A, class I of MIL-S-901 and HI-shock test guidance of MIL-STD-798. Valve shall be pressurized during test. * PAGE 10 Add as paragraph 4.4: tension rem?idTothepring except that whi
19、ch is necessary to retain the internal parts “4.4 Tension removal. After testing and prior to shipment, each valve shall have all in place during shipment and handling.“ PAGE 11 6.2, item (n) : delete and substitute: “ (n) If provisioning data is required (see 3.8.1.3) .- Add as paragraph 6.2.1, 6.2
20、.1.1, and 6.2.1.2: “6.2.1 Data requirements. When this specification is used in a procurement which invokes the provision oTthTRequirements for Data“ of the Armed Services Procurement Regulations (ASPR), the data identified below, which are required to be developed by the contractor, as specified on
21、 in approved Data Item Description (DD Form 1664). and which are required to be delivered to the Government, should be selected and specified on the approved Contract Data Requirement List .(DD Form 1423) and incorporated in the contract. When the Page 2 of 3 Provided by IHSNot for ResaleNo reproduc
22、tion or networking permitted without license from IHS-,-,- MIL-V-22547D (L) 48 m 7797906 0274043 O lf MIL-V-22549D(SH) AMENDMENT-1 1 provisions of the “Requirements for Data“ of the ASPR are not invoked in a procurement, the data required to be developed by the contractor and required to be delivere
23、d to the Government should be selected from the list below and specified in the contract, Paraqraph Data requirements 3.8.1 and Drawings, enqi- 3.8.1.1 neering and asso- ciated lists, level 3 (production) visioning technical documentation 3.8.1.2 Supplementary pro- 3.8.2 Manuals Applicable “ DID Opt
24、ion DI-E-7015 Design activity designation - Contractor Delivery of hard copies - Procuring activity Drawing number - Contractor DI-V-7000 DI-M-2043 - MIL-“15071, type I- (Copies of data item descriptions required by the contractors in connection with speci- fic procurement functions should be obtain
25、ed from the procuring activity or as directed by the contracting officer. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply.) fication required to be performed to meet a data requirement nay be waived by the procuring/ purchasing activ
26、ity upon certification by the offeror that identical data were submitted by procured to this specification. This does not apply to specific data which may be required the offeror and accepted by the Government under a previous contract for identical item for each procurement regardless of whether an
27、 identical item has been supplied previously (for example, test reports) . “ “6.2.1.1 The data requirements of 6.2.1 and any task in section 3, 4, or 5 of the speci- “6.2.1.2 Where the Government has limited rights in the data shown on the drawings, drawings may be marked with a legend. If used, the “Limited Rights Legend of ASPR should as deternined by the contractual provisions regarding rights in technical data, the be used.“ Preoaring activity: Navy - SH (Project 4820-N369) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
