1、, i s_:1:b :?v I u.L l-/.UJ .11 .l.C.Cc:lDC CU Dc:l.l.C j - -distribution is unlimited. I MILITARY SPECIFICATION HEADS; SPRINKLER AND WASnOOWN 1. SCOPE MIL-H-19387A(SHIPS) 20 July 1970 SUPERSEDING UT_U_ftO/eun -n-.V“.l.Cwl 9 October 1956 (See 6.4) _ J_t_ :P: _ :;:i: :_sprink1er heads for use in fire
2、 xtinguisher DiJ.Il.U.A.l.C.I. c:lU“ uc . uuOc:lUI.A.Uc:l . v DUVW,“,.I. D;tg “ 1.2 Classification. Sprinkler heads shall be of the following types and classes, as specified (see 6!): ype I - For pendant on upright installation 1fi overhead sprinkler system (see figure 1). Type II - Watercurtain or
3、barrier type for installation in fixed piping - . DD-. IIl. Class 1 - Intermediate velocity (see figures 2 and 3). Class 2 - High velocity (see figures 4 and 5). 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form a
4、part of the specification to the extent specified herein. SPECIFICATIONS FEDERAL QQ-A-59l - Aluminum Alloy Special Shaped Section. OO-C-390 - Copper Alloy Castings (Including Cast Bar). PPP-B-636 - Boxes, Fiberboard. PPP-B-640 - Boxes, Fiberboard, Corrugated, Triple-Wall. MILITARY MIL-P-116 - Preser
5、vation, Methods of. MIL-F-1183 - Fittings: Tube! cast Bronze Silver Brazing. STANDARDS MILITARY MIL-STD-105 -Spling Procedures ad Tables for Inspection by Attributes. MIL-STD-129 - Marking for Shipment and Storage. (Copies gf specifications, standards, drawings, and publications required by supplier
6、s in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a part of this specification to e extent specifed herein. Unless otherwise indicated, the issue in effec
7、t on date of invitation for bids or request for proposal shall apply. UNIFORM CLASSIFICATION COMMITTEE Uniform Frei9ht Classification Rules. (Applioation for copies should be addressed to the Uniform Classification Committee, 202 union Station, 516 West Jackson Boulevard, Chicago, Illinois 60606.) N
8、ATIONAL CLASSIFICATION BOARD Nationai Motor Freight Classification Rules (Application for copies should be addressed to the National Motor Freight Traffic Assooiation, Inc., 1616 P Street, N. W., Washington, D. C. 20036.) FSC 4510 Provided by IHSNot for ResaleNo reproduction or networking permitted
9、without license from IHS-,-,-MIL-H-19387A(SHIPS) 3. REQUIREMENTS 3.1 Sprirler heads shall meet e delivery rates and patterns shown On figures 1 through 5. 3.2 Material. Sprinkler head bodies shall be made of copper alloy conforming to OOQ-C-390, alloy G7, or aluminum alloy conforming to OO-A-591, as
10、 specified (see 6.1). De flector plates and supporting a shall be of copper alloy for bronze heads and aluminum alloy for aluminum heads. 3.3 Q! lction. 3.3.1 TYfe I sprinkler (see figure 1). Type I sprinkler heads shall have a sinole ooen or1fice directina the stream to imninae unnn a external defl
11、ector plate firmly supported and potected by-t;o-cro;-Yke-ri9idly-fi;d to or integral with the head body. The deflector plate shall be suitably designed to produce a homogeneous conical spray. Tne body shall be designed with a l/2-inch iron pipe size (i.p.s.) male thread for installation in plastic
12、or aluminum fittings or 1/2 inch shank for installation with silver brazed fit tings in accordance with MIL-F-l183 as specified (see 6.1). The size of the orifices and angle of the cone shall be as specified (see 6.1). The capacities of the heads shall meet the flow characteristics specified in tabi
13、e I. Table - Discharge capacity for Orifice size r .0 18 21 24 28 32 ., I 13 15 20 26 36 3.3.2 Type II sprinkler . Maximum 9 15 17 24 30 40 square l.nc Maximum 11 13 18 20 21 25 28 32 37 41 52 58 3.3.2.1 Class 1 (see figure 2). Clas 1 intermediate velocity sprinkler heads shall be so designed that t
14、he single open orifice directs the stream to impinge upon a deflector plate integral with 90 deqrees to the body of the head to oroduce a water curtain effect. The body shall have a l/2=inch i.p.s. male thread or 0.840 inch outside diameter-(od:) -. sh- as SPecified (see 6.1) for installation in pip
15、ing system. The size of the orifice and spread of the water curtain shall be as specified (see 6.1). Figure 3 indicates typical pattern and flow characteristics of intermediate velocity sprinkler heads. 3.3.2.2 Class 2 (f, figure 4). Class 2 high velocity sprinkler heads shall be so designed that th
16、e sl.ngIe-open Orl.f1Ce directs the stream to impinge upon a deflector plate integral with and at a suitable angle to the body of the head to produce a fan-shaped water curtain pattern. The bod shall have a 1/2-inch- i.p.s. male thread or 0.840 inch o.d. shank as specified (see 6.1) fOI installation
17、 in the piping system. The size of the orifice d spread of the water curtain shall be as specified (see 6.1). Figure 5 indicates a typical pattern and flow characteristics for high velocity sprinkler heads. 3.4 Workmanship. 3.4.1 All fittings shall be sound, smoothly cored, true to form, uniform in
18、texture, and free from cold shunts, porosity, or any other defects which may affect their service ability. They shall be thoroughly cleaned, both inside and outside, and all fins and rough ness shall be removed. 3.4.2 Castings shall not be repaired, plugged, or welded without permission from the Gov
19、ernment representative, which shall be given only when the defects are small (less than 10 percent of a size which would cause the fittings to be rejected) ad do not adversely affect the strength, use, or machinability of the castings. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspectio
20、n. Unless otherwiSe specified in the contract or purchase order, the supplIer l.S responsible for the performance of all inspection require ments as speoified herein. Except as otherwise specified in the contract or order, the 2 -Provided by IHSNot for ResaleNo reproduction or networking permitted w
21、ithout license from IHS-,-,-MIL-H-19387A(SHIPS) supplier may use his own or any other facilities suitable for ,e performance of the inspec tion requirements specified herein, unless disapproved by the Government. The Government reserves he right to perform y of the inspections set forth in e specifi
22、cation where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.2 Ouality conformance inspection. 4.2.1 Lot. All sprinkler heads of the same type, class, and orifice size offered for delivery at one time shall be considered a lot for purposes
23、of inspection. 4.2.2 Sampling for visual and dimensional examination. A random sample of sprinkler heads shal be seectfrom eacot in accordance with MIL-STD-105 at inspection level II for the examination of 4.3. The Acceptable Quality Level shall be 1.5 percent defective. Any sprinkler head in the sa
24、mple containing one or more visual or dimensional defects shall be rejected, and if e fiwnber of defective sprinkler heads in any sample exceeds the acceptance number for that sample, the lot represented by the sample shall be rejected. 4.2.3 S“pling for tests. A rdom snt; -;f- thi;-pecifition -;hil
25、 be -r;jt;d-; -d-if-th; nw,er of nonconforming sprinkler heads in any sample exceeds the acceptance number for that sample, the lot represented by the sample shall be rejected. 4.3 Visual d dimensional exawnation. Each of the sample sprinkler heads selected in accordance wit.2.2 shall be visually an
26、d dimensionally examined to verify compliance with this specification. 4.4 procedures. 4.4.1 Each type I sample sprinkler head shall be subjected to a performance test to determine compliance with the flow characteristics specified herein. t 4.4.2 Each type II sample sprinkler head shall be subjecte
27、d to a performance test to determine compiiance with the flow and pattern characteristics specified herein. f 5. PREPARATION FOR DELIVERY t (The preparation for delivery requirements specified herein apply only for direct f Government procurements. For the extent of applicability of the preparation
28、for delivery requirements of referenced documents listed in section 2, see 6.3.) t: 1 Packaging shall be leVel A or C, as specified 1_ C. , DC: U I 5.1.1 Level A. The sprinkler heads shall be individually packaged in a folding, set up paperboard or corrugated fiberboard box in accordance with method
29、 III of MIL-P-116. 5.1.2 Level C. The sprinkler heads shall be individually packaged to arord protecon against deter10ration and physical damage during shipment from the supply source to the first receiving activity for-immediate use. The suppliers normal preservation-packaging methods may be utiliz
30、ed when such meat e requirements of is level. 5.2 Packing. Packing shall be level At B or C, as specified (see 6.1). 5.2.1 Level A. Sprinkler heads packaged as specified shall be packed in a fiberboard DOX conforming to ppp-a-636 class-weather resistant, grade V, or a triple wall corrugated fiberboa
31、rd box conforming to PPP-B-640, clss 2. Variety and style of the box shall be at the suppliers option. Boxes shall be-WAterproofed in accordance with the appendix to the box specification. Aesive shall not be used fer box Ciosure. Boxes shall be reinforced with nonmetallic or tape banding. The gross
32、 weight of fiberboard boxes sha not exceed the weight limitation of the applicable box specification. 5.2.2 Level B. Sprinkler heads packaged as specified shall be packed in a fiberboard box con4orming to PPP-B-636 class-domestic, or a triple wall corrugated box conforming to PPP-B-640, class 1. Var
33、iety and style of the box shall be at the suppliers option. Adhe sive shall not be used for box closure. The gross weight of fiberboard boxes shall not _ .M!it . ,_ _ “.:_.2 _ .: _ .l.UU. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-19387A
34、(SHIPS) 5.2.3 Level C. Sprinkler heads paokaged as speoified (see 6.1), shall be paoked in a manner to insure carrier acoeptance and safe delivery at destination at the lowest appli cable rate. Containers, packing or method of shipment shall comply with Uniform Freight and National Motor Freight Cla
35、ssification Rules and Regulations or other carrier rules as app1icable to the mode of transportation. 5.3 Marking. In addition to any special marking specified in the contract or order, interior paCkages and exterior shipping containers shall be marked in accordance with MIL-STO-129. 5.4 2! polystyr
36、ene (loose-fill) material. 5.4.1 domestic shipment aablY equipment,installation level packaging and packing. Unless otherwise approve y the procur1ng act1v1ty (see b7!T; use of poly styrene (loose-fill) material for domestic shipment and early equipment installation and level C paOkaqinq and packing
37、 applications such as cushioning, filler and dunnage is pro hibited. When approved, unit packages and containers (interior tyrne-(loose:fill)material is approved (see 5.4.1). 6.2 The installation of silver brazed fittings, is intended to be accomplished by silver brazing without exceeding a temperat
38、ure of 1400oF. The fittings are intended for use with copernickel tubing of MIL-T-16420. 6.3 Sub-contracted material and parts. The preparation for delivery requirements of referenced documents 11sted 1n section 2 do not apply when material and parts are procured by the upplier for incorporation int
39、o the equipment and lose their separate identity when the equipment is shipped. 6.4 CHANGES FROM PREVIOUS ISSUE. THE OUTSIDE MARGINS OF THIS DOCUMENT HAVE BEEN MARKED nl“ TO INDICATE WHERE CH(DELETION5, ADDITIONS, ETC.) FROM THE PREVIOUS ISSUE HAVE BEEN MADE. THIS HAS BEEN DONE AS A CONVENIENCE ONLY
40、 AND THE GOVERNMENT ASSUMES NO LIABILITY WHATSOEVER FOR ANY INACCURACIES IN THESE NXATIONS. BIDDERS AND CONTRATORS ARE CAUTIONED TO EVALUATE THE REQUIREMENTS OF THIS DOCUMENT BASED ON THE ENTIRE CONTENT AS WRITTEN IRRESPECTIVE OF THE MARGINAL NOTATIONS AND RELATIONSHIP TO THE LAST PREVIOUS ISSUE. Pr
41、eparing activity: Navy - SH (Project 4510-N0098) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-19387A(SHIPS) FOR SILVER BRAl EO FITT!NG .840 00 SHANK(4IPS) ,“ “ L/ :a! u:I“ Tft ftB I AI-U,llInum M“U r . “o;J 1 I“ un 11-! i STEEl. PIPE INSTA
42、LLATIONS TO SUIT T I t FITTING -L I . I j I r I I I I I I III I I I I I “1“, I i I i t I. I I I I I t I I I I I I 11 L I I I t 11lT iTTJDM I. olu I Luo I il 30li OICH I It T F 1 1“-Tu r“n I !I :i: g:Fre =tl t I I I I I I I II 15 1 I I I I I I I - 1 t?r4 1 ) 1 I I I I I I I i o 171 I I 1 1 I I I I I
43、I I t o 5 10 15 25 30 0 I 2 3 4 5 6 7 8 SH leI98 PRESSURE 18 FEET FROM FLOOR Figure 3 - Water spray pattern for type II, class 1, intermediate water curtain sprinkler head I / m / I / I / I / / / I , SHle99 . “ A.50 J:“ _ _ “-L i 2 !.P.S. OR.840 0.0. - / / I r I I / 1/1 1/ r V lORIFICE Figure 4 - Ty
44、pe II, class 2, high velocity water curtain sprinkler head. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-19387A(SHIPS) p.at INCLUSIVE (OUTLINE) o r rb ro 20 20 30 18 FEET FROM FLOOR 8HI600 Figure 5 - Water spray pattern for type II, class
45、2, high ve loci ty water curtain sprinkler head. B “k Y. S. GOVERNMENT PRINTING OFFICEt 1970 -433-689/986 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SPECIFICATION ANALYSIS SHEET I Form Approved Budget Bureau No. 119-ROO4 IlCS“lliUlnm : ,.: _ : _
46、:!R !_!_ !.o_utrr P.r l _ !thr jj?vnt _ o cJnr,tor. i,!o,lve4 in. te use 9 h spe-“ J.m .In Pl-U,“Ul-cmcn“ UJ, pnJuu,;.:I 10 UJ. ,.J.mau use U)“ “ne uepartmen 01 uelense. lnlS anee IS ptoVloea lor ob-taining information on theuae of this specification which wia1 Insure that suitable products can be p
47、rocred with. Tinimum amount of ,delay any a the least c3st, Coments I the reurn of thi form will be appreciate. Fo d on lnea on reverse slde, stap e 1n corner, an send t. preparlng actlYlty (4 i4lCGe n rever“ herf). SPECIFICATION ORGAN I ZA TI ON (Of u,., ttu) I CITY. AND STATE . CONTRACT NO. I QUAN
48、T fTYrt ITEMS l“fv,“urtt.O 1 OLLAR OUNi MATERIAL PROCURED UNDER A c:J DIRECT GOVERNMENT CONTRACT D SU8COHTRACT I. HAS ANY PART OF THE SPECIFICATION CREATED PROBLEMS OR REQUIRED INTERPRETA nON IN PROCUREMENT USE? A. GI VE PARAGIIAPH UM8ER At(D WOflO! G. I. RECONNENDATIOHS FOR CORRECTING THE DEFICIENCIES. . COMMENTS ON ANY SPECIFICATION REOUIREMENT CONSI
