1、i - . , . . . . . . . . . . . . . . . ._. , , . . . . . . . . . . . . . . . . . . ._ * MILITARY SPECIFICATION . VALVE MANIFOLDS,. HIGH PRESSURE AIR REDUCING , ._ .r - . :. . . : * . R .* _- -_ -:-i 1. SCOPE 1.1 Scope. - This specification cbvcrs thc de- sign, construction, test and operating require
2、ments for high pressure air reducing valve manifolds for the ASROC launcher. MIL-P-15137 -,Provisioning Teclmica) . Parts for Electrical and Mechanical Equipment (Haval Shipboard Use). . Documentation for Repair 1.2 Classification. - Manifo!ds shall be of the following classes,. as specified (see 6.
3、1): Class I - 4500/100 pounds per square inch gage ,psig) manifoid., Class I - 4500/300 psig manifold. STANDARDS . *. MILITARY ML-STD-130 - Identification Marking of U. S. Military Property, . AIL-STD-167 - Mechanical Yibrations of . Shipboard Equipment. 5 i, .- .,- . Class I and class II manifolds
4、differ only in capacity dferentiation will be made only in the capacity, specification. WOG IPS. DRA WINGS and the type of reducing valve employed; Lerefore, regulator and end connection requirements of this BUREAU OF SHIPS 810-1385884 - Union Fittings 6000 PSI .- r: . 2. APPLICABLE DOCUMENTS (Copie
5、s of specifications, standards, drawings, f 2.1 The following documents of the issue in ef- and publications required by contractors in connec- tion witli specific procurement functions should be . obtained from the procuring activity or as directed by the contracting officer.) fect on date of invit
6、ation for bids, orm a part of this specification to the extent spccificd herein. . -: . 4- .1 SPECIFICATIONS 3 REQUIREMENTS MILITARY MIL-P-116 - Preservation, Methods of, MIL-S-901 - Shockproof Equipment, Class HI (High-Impact) Shiphoard Application, Tests for. MIL-D-963 - Drawings, Electrical, Hull
7、 aiid Mechanical Equipment for Naval Shipboard Use. MIL-E-5272 - Environnieiit:il Testing, Acroii;iutic;il aiid Associ- ated Equipiiiciit, Ciericral. Specification for. MIL-$7742 - Screw Threads, Standard, Optimum Selected Series: Gcncrul Specification for. MIL-P-I5024 - Plates. Identification - 1ii
8、orm;ition and Marking for Idwitification of Elec- trical, Electronic nnd Mcchunical Equipment. MIL-M-15071 - hlunual, Scrvicc (Iiistruc- - tion ookj for +hipiward . . Elcr*ti.icnl aiid Mcchanic;il Equ i pni mit. / 3.1 ciencrai _ requirements. -. 3 1.1 Dcs$+-jo, evaluation of the equipment for subjec
9、t application. . . 3.1.3 . durability, strength and quietness. Space, weight structiori of the m:inifoltl shall II o the best coni,-,:. K ,.i . . _. -. -. - . ! L Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-23219(SHIPS) Table I - Regulation
10、 lockup .conditions (nominal) . . pressure range i I. : (psi) . . I ,. 1- 4500 1500 . -15. 4500 1500 - . 300. -15 + 3.1.3.1 Dissimilar metals. - Unless suitably , protected against electrolytic corrosion, dissimilar metals shall not be used in dirept contact with each other. same manufacturers part
11、number shall be directly interchangeable with each other with respect to in- stallation and performance. 3.1.5. Safety wiring. - Accidental loosening of all threaded parts shall be prevented by safety wir- ing, self-locking bolts and nuts, and other approved methods. 3.1.6. Threads,- All threads sha
12、ll conform to MIL- S- 7742. *. 3.1.7. Mounting, - The body of the manifold ahall be designed for permanent installation in the ships pneumatic system. All of the individual com- ponents used in the manifold assembly shall be eas- ily accessible for service or removal from the mani- fold. 3.1.8 Ident
13、ification plates and markings. - Iden- tification plates and markings shall be furnished in accordance with Ma-P-15024 and MIL-STD-130. In addition, the manifold shall have an identification plate which shows the schematic diagram of the manifold and detailed itrstructions for its use. 3.1.4. interc
14、hangeability. - All parts having the 3.1.9 Environmental conditions, - Manifold per- formance shall not be adversely affected by varying ambient conditions within the following limits: (a) Temperature - 28F to 125OF (b) Pressure - 30 inches 2 6 inches Hg. (c) Salt spray - Exposure to atmosphere con-
15、 taining salt laden moisture, to meet the applicable E- qiremenls of Ma-%-5272. (d) Vibration ,. To meet vibration test rer,uire- ment6 for type I o hlL-STD- 167. . .- 2 * I _i; ., I . c: -. !:;:;, . ,_ . . , . . . . . . (e) Shock - h1;inifoldshall meet high shock impact requirements as defined . sa
16、tisfactorily passes the shock I test, it shall be repaired in ac- . cordance with the applicable para- graph for disposition of shock , tested equipment as specified in MIL-S-901 and offered for accept- ;, ance as a production unit. , - . in MIL-S-901. II the manifold . . *. . , . . I 1: : : .: I“.
17、. . I - . -.- . . . . .-.- -.-. . - . . “I -1-1.1 -. . . “ - - -. . .-. - . . . . . . _- . - ._._. -_ _-_-_ ._-.- _- . . .-_. . . -.-.- . . . “ ._-_ .+. -. -.- . . . . . . . - ,- . . 3. 1. 10 Noise level, - Design, construction and-. . . ,- . , workmanship shall be such that minimum practical noise
18、level will result under all operating conditions . . i. .- . . -. . .- . . , specifled herein. 3.2 Detail requirements. -+ 3: 2,l Design and test pressures. - Design and test pressures o the manifold shall be as shown in table II. 3.2.2 - Manifold-ports for classes I and II shall be equipped with 60
19、00 psig unioiis in accordance with Drawing 810-1385884. .The thread piece may be secured to the manifold body with a straight thread and “O* ring seal, Sizes shall be as shown in table m. designed for in to .out flow only. 3.2.3 Flow direction, - The manifold shall be . . . . . _._I . . , . . . . .
20、. . , . . . . . . - ., . . l-“.- . . . .:., Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. . i . . . .I . . . Inches 1-1/4 -.-. -._._.- . - c. -.- . . constructed so that when the system is . . . vented (upstream and downstream), the (d) Reguiator
21、s for class manifolds shall be either directly operated or pilot operated, (e) The pilot regulators shall incorporate a- built-in relief valve to protect the dome . of the main valve from over pressuriza- . poppet shall be closrl. pressure to the reducer such as may be seal, spring, or diaphmgm. ind
22、uced by a solenoid valve opening with- out exceeding the lock up limits of pres- “Balanced Design“ which will automatlc- siires specified in table I. ally compensate for wide variations in (c) Regulators for class I manifolds shall be upstrenni pressure. Table I indicates pilot operated. Speciically
23、, the regula- . the allowable fluctuation of the downstream tors shall- be self-loading, and shall Oper- prcssurc as the upstream pressure varies ate in such a wag that a sudden applicaton within.the specified limits. b) The pressurc regulators shall be of a .- . . . *_ . of upstream prGssure shall
24、result in a . . . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-23219 47 = 999990b 027L1188 4 m I z: . ._ e i. MIL-V-23219(SHIPS) regulated pressure: The gage on the. class“1 mahi- fold shall have a full scale reading of 200 psig. parts and
25、 special tools shall be furnished in accord- gage on the class II manifold shall have.a ful1,scale. . ance with hIIL-P-15137. S2ecial to.ols,are defined reading of 400 psig. Gages for.class I ana class Il as those tools not listed in the Eiavy Stock,List of Gen- manifolds shall have an accuracy nfrp
26、lus.or minus 3 percent over the entire range span. Gage connec- sulted in the office of the Government inspector. “O“ ring seal. . . . .-. I- I - . . . -. I-. -. . . 3.3 Repair p-ad-speial tools.- Repair . The . . I . . , . . . ,.-.-. C._“. . . . . -.-.- .-.-. . . -.-I. . I._. . ._ ,. .- - eral Stor
27、es. (Copies ofthis stock list may be,con- Quantities on a per ship basis shall be as shown in . . . . . . . -. . “- . tion shall be made with:a straight male thread and .: “. - . . . tabie IV. . -Trije iV - Repair parts aiici special tools . Quantity per ship 25 percent . ut not lees- : than one set
28、 . . . - ._ -.- *. .:.-:z:.:.7:.*: . -.-_I.- . .-. _-.-. _. - . . . . . .-.-.I. . -.-. “. . . . . . . . -.* - ._ . . . . . . . - . . . -.-. - -.-.- I t. pcrcent bit- not less Retainers . than one set . Diaphragms Gaskets, O.rings : and seats Poppets and seat . Special tools tor asscmliy and disassem
29、bly . . I- -1 I , &-_ _ . _I_- + _- -e- . .Chie set . . . i. i. I . _._. -_. -.- - .-.-.- equipment. The foregoing procedure does not we- may be necessary iti some particular instance tr assemblies or parts specified by “repair parts.1iF clude the possibility that a print of a detail drawing clarify
30、 a.dcsiri: poi:it. Prints of detail drawings . shall iilso b provided for all rep1aceab:e sub- . . . . . 3.4 Manuals, - Manuals shall be furnished in . accordance wlth MIL-M-15071. 3.4.1 insert requirements. - insert require- ments shall be as follows:. (a) Inserts may be the equivalent of the manu-
31、 facturers standard ,commercial instruc- tion and parte lists: however, they shall not contain information on other equip- ment, The inserts shall contain the basic principies of operation of the equipment, and sufficicnt information for its installation, adjustment, and main- tenance. In addition,
32、a schematic da- gram of the maniold should be piven with detail instructions for its use. . (b) A list of repair parts shall bc included. (c) Reduced size prints of drawings specified in 3.5 shall be included. (d) A table OC gasket and scals shall bc in- cluded listing all applicable dimensions and
33、other data necessary for identifica- tion and reordering. (e) Charts showing volume, SCFM versus dif- ferential pressure for each class o manifol6 shall be included iii tlic inanual. 3.5 Drawin= - CIass A and B drawings shall 3.5.1 Drawings required shall include an out- bc furnished in accordance w
34、ith MIL-D-SG3. lhe, Sssetiibly and sub-asscmiilics as iicccauary to clearly depict the design and construction of the .4 except where parts can be adequately specified 01 are in common comnicrcial use and can be refer- enced to commcrcial standards. 3.5.2 Preliminary drawinrs. - Four blueprint copie
35、s of preliminary drawings sh.all be forwarded with the quotatior Tlicse drawings .should supply sufficient inlormation to insure a compcte engineer- ing evaluation o :he design. (The preliminary draw- spaces) piping connections and sizes, location or mounts, an estimated dry weight and performance c
36、haractcristics, ) These drawings are necessary for prrlimlnary macliincry and piping arrangements as wcil as bid evaluation. zpll 4,. :?“,yin rjo“?:,“z . fI-.*.S- . -hyt+“ , * 3.5.3 Drawing list. - Within four weeks from date of contract, the vendor shall submit a list of all working drawings showin
37、g vendor number, mas- ter plan number and titles with estimated submfttal dates. 3.5.4 Esisting master drawings. - “here previ- ously upproved and validated master drawings are appiicabia under the contract, four blueprin: copies shall be submitted to the bureau or agency concerned . for approval. . .-. . L ,* . . . . . . .-.* . .- . . . . . . .-.- -._ . . . . . -._ .-. -& . “ .:.&,.: . .: . . . ._.,.* Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
