1、I MIL-E-24572B 42 E 9999906 0509192 T m Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by using
2、 the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. (INCH-POUND MIL-E-24572B(SH) 17 March 1992 SUPERSEDING 31 October 1986 (See 6.11) MIL-E-24572A(SH) MILITARY SPECIFICATION EXTINGUISHER, FIRE, BROMOTRIFLUOROMETHANE (HA
3、LON 1301) SYSTEM COMPONENTS (FIXED PIPE, PNEUMATICALLY ACTUATED, NAVAL SHIPBOARD USE) This specification 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. 1. SCOPE 1.1 Scope. This speci
4、fication covers chemical (Halon 1301) fire extinguisher system components, including local and remote actuation devices of the fixed (stationary) type whereby Halon 1301 (liquefied and pressurized with nitrogen to 600 pounds per square inch (psi) at 70 degrees Fahrenheit (“F) (21 degrees Celsius (“C
5、) and stowed in containers) is expelled by remote control through a fixed piping system and with discharge nozzles to a predetermined space, compartment, or area. 1.2 Classification. Halon 1301 fire extinguisher systems are of the following classes, as specified (see 6.2): Class I. Systems in which
6、magnetic materials are permitted. Class II. Systems in which all materials are nonmagnetic. 1.2.1 Halon cylinders are of the following sizes, as specified (see 6.2): Size 1. 10-pound capacity Halon 1301 cylinders. Size 2. 15-pound capacity Halon 1301 cylinders. Size 3. 60-pound capacity Halon 1301 c
7、ylinders. Size 4. 95-pound capacity Halon 1301 cylinders. Size 5. 125-pound capacity Halon 1301 cylinders. (Size 5 available in class I only) I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-24572B(SH) 2. APPLICABLE DOCUMENTS 2.1 Government do
8、cuments. 2.1.1 Specifications. standards, and handbooks. The following specifi- cations, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of
9、 Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL BB-C-101 - Carbon Dioxide (CO,): Technical and U.S.P. BB-N-411 - Nitrogen, Technical. QQ-S-763 - Steel Bars, Wire, Shapes, and Forgings, Corrosion Resisting. 3AA, and Aluminum A
10、pplications, General Specification for. TT-P-1757 - Primer Coating, Zinc Chromate, Low-Moisture Sensitivity. PPP-B-636 - Boxes, Shipping, Fiberboard. PPP-F-320 - Fiberboard: Corrugated and Solid, Sheet Stock RR-c-901 - Cylinders, Compressed Gas: High Pressure, Steel DOT (Container Grade), and Cut Sh
11、apes. MILITARY MIL-P-116 - Preservation, Methods of. MIL-T-704 - Treatment and Painting of Materiel. MIL-S-901 - Shock Tests, H.I. (High-Impact) Shipboard Machinery, MIL-E-2036 - Enclosures for Electric and Electronic Equipment. MIL-M-12218 - Monobromotrifluoromethane (Liquefied) Technical Grade MS1
12、6142 - Boss, Gasket Seal Straight Thread Tube Fitting, MIL-C-16310 - Cylinder Compressed Gas Compressed Air and Carbon MIL-1-17214 - Indicator, Permeability; Low-Mu (Go-No Go). MIL-V-17360 - Valves, Cylinder, Gas, Carbon Dioxide Fire MIL-E-17555 - Electronic and Electrical Equipment, Accessories, an
13、d MS18229 - Plug for “O“ Ring Gasket. MIL-L-19140 - Lumber and Plywood, Fire-Retardant Treated, MIL-S-22473 - Sealing, Locking, and Retaining Compounds: MS33656 - Fitting End, Standard Dimensions or Flared Tube MS51531 - Nut, Tube Coupling, 37“ Flared. MS51532 - Fittings, Hydraulic Tube, Flared 37 D
14、egree and MS51533 - Sleeve, Compression, Tube Fitting, 37“ Flared. Equipment, and Systems, Requirements for. for Fire Extinguisher. Standard Dimensions for. Dioxide, Nonshatterable and Nonmagnetic. Extinguisher. Provisioned Items (Repair Parts): Packaging of, (Single-Component). Connection and Gaske
15、t Seal. Flareless, Steel; Cap, Tube, 37 Degree Flared. 2 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-24572B 42 m 9999906 0509194 3 MIL-E-24572B(SH) STANDARDS FEDERAL FED-STD-H28 - Screw-Thread Standards for Federal Services. FED-STD-151 -
16、 Metals; Test Methods. MILITARY MIL-STD-101 - Color Code for Pipelines and for Compressed Gas Cylinders. MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-130 - Identification Marking of U.S. Military Property. MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment (Type I - Environmenta
17、l and Type II - Internally Excited). MIL-STD-278 - Welding and Casting Standard. MIL-STD-810 - Environmental Test Methods and Engineering Guidelines. Waterproofing; with Appropriate Test Methods. Application of Packaging Requirements. MIL-STD-1186 - Cushioning, Anchoring, Bracing, Blocking and MIL-S
18、TD-2073-1 - DOD Materiel Procedures for Development and (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, BLDG. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government
19、 documents. drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS NAVAL SEA SYSTEMS COMMAND (NAVSEA) 810-138578
20、2 - Hangers, Pipe for Submarines. (Application for copies should be addressed to: Commander, Portsmouth Naval Shipyard, Code 202.2, Portsmouth, NH 03801.) PUBLICATIONS DEPARTMENT OF TRANSPORTATION (DOT) Code of Federal Regulations (CFR) 49 CFR 100-199 - Hazardous Material Regulations. (Application f
21、or copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, DC 20402.) DEPARTMENT OF COMMERCE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY (NIST) Handbook 44 - Specifications, Tolerances, and Other Technical Requirements for Commercial Weighing and Mea
22、suring Devices. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, DC 20402.) 2.2 Non-Government publications. The following docume
23、nt(s) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the
24、 issues of the documents cited in the solicitation (see 6.2). AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) (DoD adopted) (DoD adopted) B16.11 - Forged Steel Fittings, Socket-Welding and Threaded. B40.1 - Gauges - Pressure Indicating Dial Type - Elastic Element, (Application for copies should be addr
25、essed to the American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) A 276 - Standard Specification for Stainless and Heat-Resisting A 403 - Standard Specification for Wrought Austenitic Stainless A 479 - Standard Specificati
26、on for Stainless and Heat-Resisting Steel Bars and Shapes. (DoD adopted) Steel Piping Fittings. (DoD adopted) Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels. (DoD adopted) B 16 - Standard Specification for Free-Cutting Brass Rod, Bar and Shapes for Use in Screw Machines. (DoD ad
27、opted) B 21 - Standard Specification for Naval Brass Rod, Bar, and Shapes. (DoD adopted) B 124 - Standard Specification for Copper and Copper-Alloy Forging Rod, Bar, and Shapes. (DoD adopted) D 3951 - Standard Practice for Commercial Packaging. (DoD adopted) (Application for copies should be address
28、ed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) STEEL STRUCTURES PAINTING COUNCIL (SSPC) SP 10 - Surface Preparation Specification No, 10, Near White Blast Cleaning, (Application for copies should be addressed to the Steel Structures Painting Council,
29、 4400 Fifth Avenue, Pittsburgh, PA 15213.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the docume.nts. These documents also may be available in or through libraries or other informational services.) 4 i Provided by IHSNot
30、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-24572B 42 9 9999906 0509Lqb 7 9 r P F 3. . REQUIREMENTS 3.1 Qualification. Class I fire extinguisher system components furnished under this specification shall be products which are authorized by the qualifying acti
31、vity for listing on the applicable qualified products list at the time of award of contract (see 4.3 and 6.6). 3.1.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection (see 6.7) in accordance with 4.3.2. 3.2 Construction. The fire extinguishing system co
32、mponents covered by this specification shall consist of cylinders, cylinder valves, pneumatic actuation devices, vent fittings, flexible discharge hoses, check valves, time delay bypass valves, pressure switches, actuation line filters, discharge nozzles, cylinder clamps and saddles, and scales, as
33、specified herein (see 3.2.16 and 6.3). Equipment shall operate in accordance with the requirements of this specification in the range of ambient temperatures from 50 to 200F (10 to 93“C), except carbon dioxide (CO,) actuator cylinder and valve assemblies which shall operate from 50 to 150F (10 to 65
34、.5“C). Charged Halon cylinders shall withstand extended storage at ambient temperatures between 0F and plus 120F (minus 18C and plus 49C). Unless otherwise specified herein, threads shall be in accordance with FED-STD-H28. Class 2 threads are acceptable in lieu of class 3 threads required by specifi
35、cations referenced herein. Unless otherwise specified herein, corrosion resisting steel (CRES) specified herein shall be class WP304 or WP304L, or class WP316 or WP316L, in accordance with ASTM A 403 and ANSI B16.11 for welded fittings or type 304, 304L, 316, or 316L in accordance with ASTM A 276 or
36、 ASTM A 479 for bar stock forms or shapes. 3.2.1 Halon cylinders. class I, sizes 1. 2. 3. 4, and 5. Class I Halon 1301 cylinders shall be nonshatterable steel in accordance with RR-C-901, except as specified herein. The neck of the cylinders shall have internal threads 2-1/2-12UN-2B with provision f
37、or an O-ring seal in accordance with MS16142. The neck of the cylinders shall have 6-1/2-8UN-lA external threads for a cylinder valve protective cap which shall be furnished with each cylinder. The minimum internal height of the cap shall be 10 inches from the cylinder neck facing. Cylinder dimensio
38、ns, weights and service pressure shall be as specified in table I. A closed top anti-recoil side vented protective cap shall be furnished with each cylinder. Side vents shall be closed to the weather by means of tape or plugs which will blow out if Halon is released. 5 Provided by IHSNot for ResaleN
39、o reproduction or networking permitted without license from IHS-,-,-TABLE I. Class I cvlinder dimensions, weight, - and service pressure. Size 5 Approximate Outside Halon 1301 Minimum weight Service diameter Height capacity volume (empty) pressure (inches) (inches) (pounds) ( in3 (pounds) (psi ) I 8
40、.50 evidence of cracking, peeling, or blistering of paint. 4.5.2 Quality conformance tests. The sample items selected as specified in 4.4 shall be subjected to the quality conformance tests shown in table IV. Detection of any nonconforming characteristic (including visual and dimensional) in any sam
41、ple shall result in the rejection of the entire lot. The contractor has the option of correcting the discrepancy, retesting, and resubmitting a conforming lot or submitting a new lot which shall be inspected and tested as specified herein. 4.6 Test Drocedures. 4.6.1 Hydrostatic test. To determine co
42、nformance with 3.3, check valves, cylinder valves, actuation line filters and pressure switches shall be hydrostatically tested for strength with water at ambient temperature at a minimum of 3250 psi for 90 seconds. Flexible discharge hoses shall be tested as above, except that the pressure applied
43、shall be 1750 psi. There shall be no leakage or evidence of porosity, permanent distortion, or structural failure. 19 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-24572B 42 m 9999906 05092LL T m 4.6.2 Valve seat tightness tests, Discharge ch
44、eck valves and time delay bypass valves shall be tested for at least 90 seconds with 100 psi applied at the outlets. The inlet shall be open. Valve leakage shall not exceed 7 cubic centimeters per 90 seconds per inch nps. Tests shall be performed with water at ambient temperature. 4.6.3 Discharge ho
45、se flow. Equivalent length of discharge hoses (bent to 90 degrees on approximate 22-inch radius) shall be determined by flow tests with water while the Reynolds number is maintained at greater than lo5 during the tests. The equivalent length of discharge hose shall not exceed 20 feet of 1-1/2 inch s
46、chedule 80 steel pipe. 4.6.4 Valve flow tests. Equivalent length of discharge check valves and Halon cylinder valves with siphon tube attached shall be determined by flow tests with water while the Reynolds number is maintained at greater than lo5 during the tests. The equivalent length of the cylin
47、der valve and siphon tube assembly shall not exceed that specified in 3.2.3.6. The equivalent length of check valves shall not exceed that specified in 3.2.6. 4.6.5 CO, actuating cylinder valve lock-open device test. Actuating cylinder valves shall be cycled at least 1000 times to determine proper f
48、unction of the locking device (see 3.2.4.2). 4.6.6 Halon cylinder and valve assembly leakage. - Each fully charged Halon cylinder shall be tested with an electronic halide leak detector with the detector leak index sensitivity set at 1/2 ounce per year to determine conformance with 3.5.1. 4.6.6.1 Ha
49、lon cylinder and valve torque test. With the Halon cylinder restrained, a counterclockwise torque of 150 foot-pounds shall be applied to the valve. There shall be no evidence of movement of the valve in reference to the cylinder, In order to determine whether movement occurs, the cylinder valve shall be match marked to the cylinder prior to the test. 4.6.6.2 Halon cylinder and valve breaking torque test. With the Halon cylinder restrained, counter clockwise
