1、MIL-C-2228aC WP) 7 September 1965 Superseding MIL-C-22284(Wep) 11 December 1959 MILITARY SPEC IF ICATION CONTAINER , AIRCRAFT FIRE EXTINGUISHING SYSTEM , BROMOTRIFLUOROMETHANE , CF3BR This specification has been approved by the Bureau of Naval Weapons, De- partment of the Navy. 1. SCOPE 1.1 Scope -
2、This specification covers containers for bromo- trifluoromethane, CF3Br, for use in aircraft fire extinguishing systems of the high rate discharge type, 1.2 Classification - The containers shall be of the types listed in Table I, as specified (see 6.2): Type CF-2 CF-OD CF-6 CF-6D CF-11 CF-11D CF-15
3、CF-15D CF-18 CF-18D CF-27 CF-27D CF-30 CF-30D Discharge Outlet Single Dual Single Dual Single Dual Single Dual Single Dual Single Dual Single Dual TABLE Internal Volume Cubic Inches 86 86 224 224 378 3 78 536 536 630 630 945 945 1050 1050 CF3Br Charge Lbs e 2.5 2.5 6.5 6.5 11 11 15 15 18 18 27 27 30
4、 30 Max. Weight Charged Container - Lbs. 10 12 1/2 15 17 1/2 22 1/2 24 28 1/2 31 33 35 1/2 47 50 53 56 ? Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2. APPLICABLE DOCUMENTS 2.1 Government documents normally furnished - The following documents, of
5、 the issue in effect on date of invitation for bids or re- quest for proposal, form a part of this specification to the extent speci- fied herein. SPECIFICATIONS Mili tarv MIL-P-116 MIL -C -49 O MIL-T-5021 MIL-E-5272 MIL-N-6021 M IL -L - 71 78 MIL-E-7729 MIL-S-7742 MIL -P-8 58 5 MIL-D-8635 Preservat
6、ion, Methods of Cleaning and Preparation of Ferrous and Zinc Coated Surfaces for Organic Protective Coatings Tests,Aircraft Welding Operators Cer t i f icat ion Environmental Testing, Aeronautical and Associated Equipment, General Specification for Nitrogen; Liquid and Gas Lacquer; Cellulose Nitrate
7、, Gloss, for Aircraft Use Enamel; Gloss, for Aircraft Appli- cation Screw Threads, Standard , Aeronautical Primer; Coating, Zinc Chromate, Low Moisture Sensitivity Decals, for Use on Interior Surfaces . 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
8、-,-MIL-D-70327 STANDARDS Federal FED-STD- 59 5 Mi li tary Colors -_ MIL-C-22284A Lb 7977706 OL920b3 L - MIL-C-22284A(WP) Military (continued) MIL-B-12218 MIL-D-21625 Bromot ri f luorome t hane (Lique f ied ) Design and Evaluation of Cartridges for Cartridge Actuated Devices MIL-E-22285 Extinguishing
9、 System, Fire , Air- craft, High-Rate-Discharge Type, Installation and Test of Drawings, Engineering and Asso- ciated Lists MIL-STD-105 Sampling Procedures and Tables for Inspect ion by Att ribates MIL-STD-143 Specifications and Standards, Order of Precedence for the selection of MIL-STD-794 Parts a
10、nd Equipment, Procedures for Packaging and Packing of MS33586 Metals, Definition of Dissimilar MS 3 3 6 56 Fitting End, Standard Dimensions for Flared Tube Connection and Gasket Se al Air Force-Navy Aeronautical Design Standards AND10050 Bosses, Standard Dimensions for Gasket Seal, Straight Thread (
11、When .requesting applicable documents, refer to both title and number. Copies of unclassified documents may be obtained from the Commanding Officer, Naval Supply Depot (Code 1051), 5801 Tabor Avenue, Philadelphia, Pennsylvania 19120. Requests for copies of classi- fied documents should be addressed
12、to the Naval Supply Depot, via the cognizant Government inspector, ) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-22284A 3b 9777906 0392064 3 MIL At the end of this test, the mounting lugs shall be examined. There shall not be any failure,
13、 cracked weld, or permanent deformation, . 4.6.5 Discharge -One charged container shall be discharged through 10 feet of stainless steel tubing terminating in a tee having a total outlet areaof 120 percent of the line area. Ninety percent of the contents of the container shall be discharged in not m
14、ore than 0;8 second. The tubing sizes used for this test shall be as listed below: Container Type Tubing O. D. CF-2 and CF-2D 5/8 inch CF-6 and CF-6D 1 inch CP-11 and CF-11D 1 1/4 inch CF-15 ad CF-15D 1 1/4 inch CF-18 and CF-18D 1 3/4 inch CF-27 and CF-27D 1 3/4 inch CF-30 and CF-JOD 1 3/4 inch 4.6.
15、6 Proof pressure -One container shall be subjected to a proof pressure of 1400 psi, minutes and then released. There shall not be any permanent deformation or damage. furnished by the manufacturer. The pressure shall be retained for 10 Frangible disks, if used, shall be replaced by s,teel disks -. .
16、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.6.7 Overheat safety outlet - Operation of the overheat safety device shall be verified by one of the f)llowing tests, as applicable. 4.6.7.1 Frangible diaphram type - The charged container shall be s
17、ubjected to internal pressure and the diaphragm shall rupture at a pressure between 1250 psi and 1400 psi at 160OF. 4.6.7.2 Fusible plug type - The charged container shall be subjected to heat and the plug shall yield at a temperature beiween 205OF and 220F. 4.6.8 Hydrostatic bursting - One containe
18、r shall be hydro- statically tested to destruction and the bursting pressure recorded. The minimum bursting pressure shall be 1800 psi. Before pressure is applied, the frangible disks, if used, shall be replaced by steel disks furnished by the manufacturer. 4.6.9 Environmental - The charged containe
19、r shall be subjected to the environmental tests of 4.6.9.1 through 4.6.9.6. Following each test, the container shall be subjected to the Discharge test of 4.6.5. 4.6.9.1 High temperature - The container shall be subjected to the High temperature test specified in MIL-E-5272, Procedure II, 4.6.9.2 Lo
20、w temperature - The container shall be subjected to the Low temperature test specified in hIIL-E-5272, Procedure I. 4.6.9.3 Humidity - The container shall be subjected to the Humidity test specified in MIL-E-5272, Procedure I. 4.6.9.4 Salt spray - The container shall be subjected to the Salt spray t
21、est specified in MIL-E-5272, Procedure I, for 50 hours. 4.6.9.5 Vibration - The container shall be subjected to the Vibration tests specified in MIL-E-5272, Procedure XII, One half of each resonant and cycling period shall be conducted at room temperature and the other half of the periods shall be c
22、onducted at 160OF. 4.6.9.6 Corrosion - Upon completion of the Environmental tests, Discoloration only shall not be cause for re- the container shall be examined for corrosion. corrosion or pitting. jection. There shall not be any Provided by IHSNot for ResaleNo reproduction or networking permitted w
23、ithout license from IHS-,-,-flIL-C-2228LIA 26 7777906 0272075 MIL -C -2 2 28 4A ( WP.) 4,6.10 Gunfire - Two charged containers shall be gunfire tested using 0.50 caliber, M2 Armor piercing ammunition with a muzzle velocity of 2800 I 100 feet per second at maximum range of 50 yards. The containers ma
24、y be supported but not constrained. shall be tested with a tumbled shot fired through the liquid region, The second container shall be tested with a tumbled shot fired through the gaseous region. The container shall remain in one piece. One container 5. PRmARATION FOR DELIVERY 5.1 Application - The
25、requirements of Section 5 apply only to direct purchases by or direct shipments to the Government, 5.2 Preservation and Dackaainq - 5.2.1 Level A - Each container shall be preserved and packaged in accordance with MIL-STD-794, Level A. method shall conform to MIL-P-116, Method III. The packaging 5.2
26、.2 Level C - Preservation and packaging shall conform to MIL-STD-794, Level C. 5.3 Packing - Packing shall conform .to MIL-STD-794, Level A, B, or C as specified (see 6.2). 5.4 Marking - Marking shall conform to MIL-STD-129. 5.4.1 Additional marking - The following additional mark- ing shall be show
27、n on interior and exterior shipping containers, It shall include the date of manufacture and the following statement, IF IN STORAGE AFTER (* DATE), THE FIRE EXTINGUISHING ONTAINER SHALL BE INSPECTED .FOR PROPER GAGE READING BEFORE ISSUE. *This date shall be 6 months following the date of inspection
28、and shall be inserted by the inspector at the time of acceptance, 6. NOTES 6.1 Intended use - The containers covered by this speci- fication are intended for use in aircraft fire extinguishing systems described in MIL-E-22285. Provided by IHSNot for ResaleNo reproduction or networking permitted with
29、out license from IHS-,-,-NIL-C-ZZZVA I6 9999906 DL92076 T 6.2 Information for contracting officer - Contracts or orders should specif y the following: a. Title, number, and date of this specification b. Selection of applicable levels of preservation, packaging, and packing required, c. Type of conta
30、iner required (see 1.2) d. Items of data required (see 6.3). 6.2.1 Contracts or orders should specify the following provisions for preproduction inspection. 6.2.1.1 Whether preproduction inspection is required, When a contractor is in continuous production of the same type of container from contract
31、 to contract and method of manufacture has not appreciably changed since prior preproduction approval was granted, consideration should be given to waive the preproduction inspections. inspection is required, indicate: If preproduction a. where the preproduction inspection is to be conducted (at the
32、 contractors plant or Government or commercial laboratory). b. that the approval of preproduction samples or the waiving of the preproduction inspection shall not relieve the contractor of his obli- gation to fulfill all other requirements of the specification and contract, 6.3 Data - For the inform
33、ation of Contractors and Con- tracting Officers, any of the data specified in (a) subparagraphs below, (b) applicable documents listed in Section 2 of this specification, or (cl referenced lower-tier documents need not be prepared for the Govern- ment and shall not be furnished to the Government unl
34、ess specified in the contractor or order. The data to be furnished shall be listed on DD Form 1423 (Contractor Daa Requirements List), which shall be attached to and made a part of the contract or order. (Drawings, Lists, and Specifications Required) shall be attached where applicable. NavWeps Form
35、4200/15 16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-22289A Lb m 977970b 0372077 3 m 7 MIL-C-22284A(W) 6.3.1 Preproduction test rerort - When preproduction tests are performed at a non-Government facility, a report shall be furnished, in
36、duplicate, The report shall include the results of all tests per- formed and a detailed statement indicating compliance or extent of non- compliance with each requirement and test of this specification, referring specifically to the applicable paragraph numbers in this specification. 6.3.2 Drawings - When preproduction tests are performed at a Government facility, one complete set of detail and assembly drawings, prepared in accordance with MIL-D-70327 shall accompany the test samples, 17 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
