NAVY MIL-C-15430 J (4)-1989 CONDENSERS STEAM NAVAL SHIPBOARD《海军船蒸汽冷凝器》.pdf

1、* * (INCH-POUND MIL-C-l5430J(SHIPS) AMENDMENT 4 24 Rubber Sheet, Cloth-Insert.“ PAGES 1 and 2 2.1, under “SPECIFICATIONS, MILITARY“: Delete reference to “MIL-B-857“, “MIL-P-15137“, “MIL-A-17472“, “MIL-S-24113“, and “MIL-N-25027“ and add the following: “MIL-S-8660 - MIL-S-16216 - MIL-S - 22698 - MIL-

2、N-24106 - MIL-L-24131 - MIL-L-24478 - MIL-L-24479 - MIL- B-24480 - DOD-G-24508 - MIL-P-24691 - MIL-P-24691/1 - Silicone Compound. Steel Plate, Alloy, Structural, High Yield Strength Steel Plate and Shapes, Weldable Ordinary Strength and Nickel-Copper Alloy Bars, Rods and Forgings. Lubricant, Colloid

3、al Graphite in Isopropanol. Lubricant, Molybdenum Disulfide in Isopropanol. Lubricant, Red Lead and Graphite in Mineral Oil. Bronze, Nickel-Aluminum Castings, for Seawater Grease, High Performance, Multi-purpose. Pipe and Tube, Carbon Alloy and Stainless Steel, Seamless and Welded, General Specifica

4、tion for. Pipe and Tube, Carbon Steel, Seamless.“ (HY-80 and HY-100). Higher Strength: Hull Structural. Service. PAGE 3 2.2, under “AMERICAN SOCIETY FOR TESTING AND MATERIALS“: Delete reference to “AlOS“, “A191“, “B98“, and “B139“. AMSC N/A FSC 4420 DISTRIBUTION STATEMENT A. Approved for public rele

5、ase; distribution is unlimited. 1 of 19 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-I5430J(SHIPS) AHENDMENT 4 PAGE 4 3.2.2, line 4: Deilete “MIL-B-857“ and substitute “MIL-S-1222“. 3.2.2: Add: “Thxeaded plugs, threaded connections and threa

6、ded closures are prohibited in the submergence pressure boundary of submarine condensers,“ PAGE 5 Table I: Delete and substitute: “TABLE I. C1 ass A material (submarine amli cation). Part (a) Tube sheets, outeru - (b) Tube sheets, inneru (c) Longitudinal pipe stays (d) Tubes (e) Bolts or studs in jo

7、ints involving sea water tight- ness, or subject to submer ence - pressure6 _$ ,u (f) Bolts or studs in contact with sea wateru Material Copper-nickel alloy, compo- sition 70-30 soft temper Steel, grade LF2 or LF3 Steel, grade A, B, D, E Steel, grade EH-36T Steel, grade H-80 Pipe, carbon steel, sche

8、dule 80, seamless Copper-nickel alloy, compo- sition 70-30 Nickel-copper-aluminum alloy, grade 500 Nickel-copper alloy, class A, grade 400 Nickel-copper alloy Applicable document 5/MI L- C - 15 7 2 6 ASTM A 350 ASTM A 203 MIL-S-22698 MIL-S-16216 YASTM A 53 ASTM A 106 MIL-P-24691 MIL-P-24691/1 MIL-S-

9、1222 MIL-S-1222 MIL-N-24106 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-1543OJ (SHIPS) AMENDMENT 4 Part :g) Nuts for bolts and studs specified in (e)- 1 .c/ TABLE I. Class A material (submarine appLication1 - Continued. Material Nickel-co

10、pper-aluminum alloy, grade SOO Nickel-copper alloy, class A, hot finished, grade 400 (1) Gaskets between doub 1 e tube shee t su/ (m) Gaskets for shell flange-tube sheet joints (U-bend tube- removable bundle con- ctruction), and shell cove rs9/ Nickel-copper alloy, cold drawn and stress relieved, or

11、 hot finished O-ring, type I Synthetic rubber, cloth insert, class 4, or Non-asbestos sheet (h) Nuts for bolts and studs s ecified in (f)- lb Nickel-copper alloy, class A or B, grade 400 or 405 (i) Bolts, studs, and nuts ex,posed to steam or conden- sate (j) Bolts, studs, and nuts for services other

12、 than as speci- fied in (e), (f), and (i) Corrosion-resisting steel or non-ferrous alloys Carbon or alloy steel or non- ferrous alloysv (k) Gaskets for waterbox- tube sheet joints, waterbox cover joints, and waterbox inspec- I tion or manhole cover j oint sly O-ring, type i Applicable document MIL-S

13、-1222 MIL-S-1222 MIL-N- 24 106 MIL-S-1222 I/MIL- S - 122 2 MIL-S-1222 MIL-G - 2 1610 MIL-G-21610 HH- P - 15 1 Commerc ia1 See footnotes at top of next page.“ 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-l5430J(SHIPS) AMENDMENT 4 PAGE 6 Foo

14、tnote 1/ to table I: Delete and substitute: “5/ Yield strength of copper-nickel material shall not exceed 48,000 pounds per square inch (lb/in2). . Footnotes to table I: Add as footnotes e/, u, and u: “9/ See 3.2.21. “lo/ If required, lubricant for O-ring gaskets shall be in accordance with MIL-S-86

15、60 or DOD-G-24508. “u Form in accordance with MIL-S-1222.“ 3.2.2.1.2, items (a) and (b): Delete and substitute: “(a) For submarine condensers, the thread lubricant for bolting in joints Involving seawater tightness shall be red-lead and graphite in mineral oil per MIL-L-24479. preload is required, t

16、he thread lubricant shall be graphite in isopropanol per MIL-L-24131 (Military Symbol CGI). one of the following: (b) For fasteners exposed to steam or condensate where fastener (c) For all other applications, the thread lubricant shall conform to (1) Graphite in isopropanol per MIL-L-24131 (Militar

17、y Symbol (2) Molybdenum disulfide in isopropanol per MIL-L-24478. (3) Red lead and graphite in mineral oil per MIL-L-24479.“ GCI). PAGE 7 Table II: Delete and substitute: “TABLE II. Class B material (surface shiD aDplication). Applicable Part Mat er ia1 document (a) Tube sheets, outer Copper-nickel

18、alloy, compo- ASTM B 171 sition 90-10 (b) Tube sheets, innerg Steel, grade DH-36 MIL-S-22698 Steel MIL-S-23194 Steel, class 1 or 2 ASTM A 537 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-L5q30J (LJ) LlLl W 7777706 02Ll1377 6 W MIL-C-l543OJ

19、(SHIPS) AMENDMENT 4 * * * * TABLE II. Class B material (surface shiD amlicationr - Continued Part (c) Longitudinal pipe stays (d) Tubes (e) Bolts, studs and nuts in contact with sea water (f) Bolts, studs, and nuts in joints involving sea water tightness (g) Bolts, studs, and nuts exposed to steam o

20、r condensate (h) Bolts, studs, and nuts for services other than as speci- fied in (e), (f), and (g) (i) Stays and washers in contact with sea water, and washers in joints involving sea water tightness (j) Gaskets for water- box-tube sheet joints, waterbox cover joints, and waterbox inspection or man

21、hole cover joints Ma ter ia1 Pipe, carbon steel, schedule 80, seamless Copper-nickel alloy, composition 90-10 Nickel-copper alloy, grade 400 or 405 Nickel-copper alloy, grade 400 or 405 Corrosion-resisting or non-ferrous alloys Steel, zinc plated, grade 2 or 5 Nickel-copper alloy, class A or B Synth

22、etic rubber, cloth inserted Applicable document YASTM A 53 ASTM A 106 MIL-P- 24691 MIL-P-24691/1 MIL-T-15005 MIL-S-1222 MIL-S-1222 YMIL- S - 12 2 2 MIL-S-1222 ASTM B 164 Commercial, (U.S. Rubber style 210, or Garlock style 19 or equal), or HH-P-151, class 3 5 Provided by IHSNot for ResaleNo reproduc

23、tion or networking permitted without license from IHS-,-,-* * HIL-C-I543OJ(SHIPS) AHENDHWT 4 TABLE II. C1 ass B m aterial (surface shiD amli cation1 - Continued. Applicable Part Material do cume n t (k) Gaskets for shell Synthetic rubber, cloth HH-P-151 flange-tube sheet inserted, class 4, or joints

24、 (U-bend tube- removable bundle Non-asbestos sheet Comme rc ia1 construction shell covers pd (1) Condenser tube Packing, flexible, MIL-P-2863 packing metallic, grade A See footnotes on top of next page.“ PAGE 8 Footnotes to table! II: Delete footnote u. Add as footnotes 4J and y. “It/ See 3.2.21. *

25、r/ Inner tube sheets shall meet the impact test requirements in 1.3 as applicable.“ PACE 10 3.2.8.2, line 2: Delete “plus of minus“ and substitute “plus or minus“. PAGE 11 Add as new paragraph 3.2.8.5: “3.2.8.5 Jnterchaneeability. Component parts shall not be physically interchangeable nor reversibl

26、e unless such parts are interchangeable or reversible with regard to function, performance, and strength.“ PAGE 13 3.2.12: Delete and substitute: “3.2.12 Type I, 11, or III condensers shall be provided with a condensate sump or well having a voiumetric capacity at maximum design working condensate l

27、evel equal to or exceeding the volume of condensate handled by the condensate pumps during 1 minute of normal operation when the connected equipment is operat- ing at rated full-load. Condensate sump or well shall be attached to the bottom of the condenser shell; shall be provided with the necessary

28、 swash plates, liquid level gauge connections, clean-out holes, drain connection to permit complete draining of the hotwell, flanged connections for the condensate pump suctions; Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L - C - 154303 (SHIP

29、S ) AIIENDMENT 4 and, if required for maintaining proper submergence of the condensate pump suctions under the conditions specified in 3.2.1, a drain pocket extending the length of the hotwell and having the low point and suction connections at the end nearest the pumps. minimize the mount of corros

30、ion products and foreign materials that may enter the condensate pump suction by incorporating baffles to minimize solid material from entering the connection, traps to provide stagnant areas for solid material settling, and clean-out ports for manual removal of these solid materials. Where the cond

31、ensate pump suction connection is located on the bottom of the hot well, the connection configuration shall as a minimum, consist of a standpipe located in a tapered recess in the hotwell bottom. minimum of one! standpipe diameter, and the width of the recess shall be at least twice the standpipe di

32、ameter. recess at least one inch above the true hotwell bottom. tube sheet Condensers, this condensate connection configuration shall be sub- mitted to the drawing review agency for approval. Type IV condensers shall be provided with clean-out ports in each section of the condenser shell to perrliit

33、 manual removal. of corrosion products. IV condensers shall minimize the likelihood of plugging of drain lines due to corrosion products.“ Condensate pump suction connection in the hotwell shall The depth of the recess shall be a The standpipe shall extend upward through the For type I and II double

34、 The design of condensate outlets for type PAGE 16 3.2.13.5, first sentence: Delete and substitute: “Tube sheets shall be welded to the condenser shell or to an extended neck or collar section of the shell (not applicable to removable bundle condensers (see 3.2.9.2) nor to outer tube sheets of doubl

35、e tube sheet condensers).“ 3.2.13.5.1 and 3.2.13.5.2: Delete and substitute: “3.2.13.5.1 Fastener holes shall not extend or penetrate through the portion of the tubesheet which is exposed to steam or water, unless the hole is blanked by a welded closure. hydrostatic test of 4.2.1.2. The blanked hole

36、s shall satisfactorily pass the “3.2.13.5.2 When necessary to fasten attachments to the tubesheets, studs accessible from the waterbox or steam space shall be used.“ 3.2.13.5.3 (a), line 1: Delete “prestress“ and substitute “torque“. 3.2.13.5.3 (b), line 1: Delete “prestressing“ and substitute “torq

37、uing“. PAGE 17 3.2.13.5.3 (c), line 1: Delete “prestress“ and substitute “torque“. 3.2.13.5.3 (d): Delete and substitute: “(d) For submarines, the value of installation torque specified on the drawings shall be calculated as follows: 7 Provided by IHSNot for ResaleNo reproduction or networking permi

38、tted without license from IHS-,-,-HIL-C-l5430J(SHIPS) AHENDHEN? 4 (1) Using the hydrostatic test load and high coefficient of friction (p = 0.131, determine torque using the following relation: (P/T)p - Load per unit torque corresponding to bolt size and lubricant where rt - minimum pitch radius of

39、external threads (inches) 8 - 1/2 of thread angle (degrees) a - Helix angle (degrees) a = arc tan l/(2nrtN)J, where N = number of threads per inch rc - Collar radius, average of Dh/p and bolt major radius (inches), where Dh - diameter across flats of nuts (average of maximum and minimum) (inches) p

40、- 0.13 T - Torque (foot-pounds) (2) Using the installation torque above and low coefficient of friction (p = .065) determine stress from Section 111-420 of SDE-63. This calculated stress when combined with other stresses specified in SDB-63 shall not exceed the limits of SDB-63. See 3.2.15.4.1.6 for

41、 additional requirements on threaded fasteners securing waterbox inspection openings.“ 3.2.13.5.3: Add as item (f): “(f) For submarine condensers subject to submergence pressure, submergence pressure boundary studs and bolts shall be of a reduced shank or body design to reduce bending stresses.“ PAG

42、E 18 Add as paragraph 3.2.15.4.1.6: “3.2.15.4.1.6 Threaded fasteners securing waterbox inspection openings in submarine condensers shall be designed such that 300 inspection cover removal and reinstallation cycles, 200 hydrostatic test pressure cycles, and 20,000 submergence pressure cycles will not

43、 cause the maximum cumulative usage factor allowed by SDB-63 to be exceeded. csused by any movement between the inspection cover and inspection cover flange when the sea water side of the waterbox is pressurized shall be specifically The effect on threaded fastener stress levels 8 Provided by IHSNot

44、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-XIL-C-I5430J(SHIPS) AMENDMENT 4 analyzed. The analysis shall be submitted to the drawing review agency for approval. The amount of movement or relative slip used in above analysis shall be confirmed during factory hydros

45、tatic testing of first unit (see 4.2.1.7.1). The measured amount of relative slip shall be compared to the assumed value and forwarded to the drawing review agency. It is the vendors responsibility that the fastener design meet the requirements of SDB-63 when the measured slip (rather than the assum

46、ed slip) is factored into the analysis.“ 3.2.15.5, lines 7 and 8: Delete “plug and tube end“ and substitute “plug any tube end“. PAGE 20 3.2.15.13: Delete and substitute: “3.2.15.13 Waterboxes fabricated of nickel-copper alloy shall have the inside surfaces covered with a continuous coating of solde

47、r (two parts lead, and one part tin) to a thickness of not less than 1/64 inch and not more than 1/16 inch, Examination of solder application shall be in accordance with 4.5.8.“ 3.2.16.1: Insert after first sentence: “For submarine sea water cooled condensers, the maximum tube wall thickness shall n

48、ot exceed 110 percent of the minimum tube wall thickness.“ PAGE 21 3.2.17.2.2, line 3: Delete “3.2.17.3.6“ and substitute “3.2.17.3.5“. PAGE 22 3.2.17.3.1.2: Delete and substitute: “3.2.17.3.1.2 Unless otherwise approved by the drawing review agency, the pressure/velocity reducing configuration shal

49、l be in the form of the perforated pipe and baffle which shall have the following general configuration: SH 10476 Note: Other pipe and baffle configurations may be used provided they meet the guidelines below. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MlL-C-l%3OJ(SHIPS) AnL!Dnwf G Perforations in the pipe shall be s