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本文(NAVY MIL-V-24569 (3)-1992 VALVE QUICK-CLOSING FOR FUEL AND OIL AND AUXILIARY STEAM EMERGENCY SHUTDOWN《燃料及石油和辅助蒸汽紧急状况停机快速关闭阀》.pdf)为本站会员(eventdump275)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

NAVY MIL-V-24569 (3)-1992 VALVE QUICK-CLOSING FOR FUEL AND OIL AND AUXILIARY STEAM EMERGENCY SHUTDOWN《燃料及石油和辅助蒸汽紧急状况停机快速关闭阀》.pdf

1、MIL-V-ZY569 (3) m Ob LY8b7 Y3T m i INCH - POUND i MIL-V-24569(SH) AMENDMENT 3 2 November 1992 SUPERSEDING AMENDMENT 2 8 November 1983 MILITARY SPECIFICATION VALVE, QUICK-CLOSING, FOR FUEL AND OIL AND AUXILIARY STEAM EMERGENCY SHUTDOWN This amendment forms a part of MIL-V-24569(SH), dated 17 July 197

2、8, and is approved for use 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 1.1, line 2: Delete “1000“ and substitute 1600“. 1.2.1: Delete “Type I - Steel, flanged.“ and substitute: “Type IA - Stee

3、l, flanged, steam or fuel service, Type IB - Steel, flanged, fuel service.“ 1.2.2: Delete and substitute: “1.2.2 Rating. Types IA and IB valves shall be class 600, in accordance with ANSI B16.34, and type II valves shall have class 150 flanges in accordance with MIL-F-20042 (see 6.2.1).* Beneficial

4、comments statement at bottom of page, line 3: Delete “Naval Ship Engineering Center, SEC 6124“ and substitute “Naval Sea Systems Command, SEA 05Q42“. * 2.1: Add the following military specification: “MIL-A-24780 - Actuating Assembly, Single Linear Motion, for the Remote Actuation of Quick Acting Val

5、ves, General Specification for.“ AMSC N/A FSC 4820 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. 1 of 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-245b9 (3) m 9999906 3489680 353 m MIL-V-24569(SH) AMENDM

6、ENT 3 PAGE 3 TABLE I, under “Part“ column: Add “(see 3.3.12.4)“ under “Gaskets“. TABLE I, under “Applicable documents“: Delete “Type I valves“ and substitute “Types IA and IB valves“. PAGE 4 -* Add new paragraph 3.3.6.1: “3.3.6.1 Valve junction box shall be compatible with actuating assembly of MIL-

7、A- 24780, PAGE 5 3.3.12, line 1: Delete “type I“ and substitute “types IA and IB“. Add new paragraph 3.3.12.4: “3.3.12.4 Type IA valves shall employ bonnet gaskets in accordance with MIL-G-21032, type I. Type IB valves may use commercial seals.“ * Add new paragraph 3.4.1: “3.4.1 Shock. The valve and

8、 actuating assembly shall withstand the requirements of grade A, class I, type C shock in accordance with MIL-S-901, MIL-STD- 798 , and MIL-A-24780. I * Add new paragraph 3.5.1: “3.5.1 Vibration. The valve and actuating assembly shall withstand the requirements of vibration tests in accordance with

9、MIL-STD-167-1, type I, and MIL-A- 24780. I 3.6.1, line 1: Delete “type I“ and substitute “types IA and IB“. 3.7: Delete and substitute: “3.7 Line pressure. The valve shall open against a line pressure of 600 lb/in2 fuel or steam for type IA and IB valves, and 150 lb/in2 for a type II valve without t

10、he aid of an external equalizing bypass.“ 3.12: Delete and substitute: “3.12 Seat leakage and pressure drop. The valve shall have a maximum initial seat leakage of 10 cubic centimeters size for a valve 1 inch and larger, and 10 cm/h total for a valve less than 1 inch in size. valves and 150 lb/in2 f

11、or type II valves. water with no additives other than mineral cutting oil or clean hydraulic oil with no suspensions. at the rated flow condition.“ er hour (cm3/h) per inch of nominal P The test shall be conducted at 600 lb/in2 for types IA and IB The testing medium shall be clean tap The pressure d

12、rop through the valve shall be. 0.5 lb/in2 maximum 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-e I 1 * Add new paragraph 4.6.3.1: MIL-V-24569 (3) m 9999906 L48968L O98 m MIL-V-24569(SH) AMENDMENT 3 PAGE 8 4.6.1.1: Delete and substitute: “4.6.1.

13、1 The valve shall be pressurized each cycle to 600 lb/in2 for type IA and IB valves and 150 lb/in2 for type II valves.“ * Add new paragraph 4.6.2.1: “4.6.2.1 Shock. The valve and actuating assembly shall be shock tested to ensure compliance with the requirements specified in 3.4 and MIL-A-24780.“ “4

14、.6.3.1 Vibration. The valve and actuating assembly shall be vibration tested to ensure compliance with the requirements specified in 3.5 and MIL-A- 24780. 4.6.5, second sentence: Delete and substitute: “Test pressure shall be 600 lb/in2 for types IA and IB valves and 150 lb/in2 for type II valve.“ P

15、AGE 9 6.1: Add “(see 1.2.1)“. LAST PAGE DD 1426, Standardization Document Improvement Proposal: Delete address and substitute: COMMANDER NAVAL SEA SYSTEMS COMMAND (SEA 05442) 2531 NATIONAL CENTER BUILDING 3 WASHINGTON, DC 20362-5160“ The margins of this amendment are marked with an asterisk or verti

16、cal lines to indicate where changes (additions, modifications, corrections, deletions) from the previous amendment were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evalu

17、ate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Preparing activity: Navy - SH ( Pro j ec t 4820 - NO5 5 ) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-

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