1、I This document has been approved ! # for public release and sale: its distribution is unlimited. !lIL-V-l5508B 25 January 1971 SUPCRSEDIIJC llIL-V-15508A 15 Amri1 1952 (See 6.5) :lILITARY SPCCIFICATI0:I VALVES, RKlOTE CONTROL, DIRPIIHAGM ACTUATED (FLUID SYSTE:lS, 150 and 250 P.S.I. W.P. 140F. HAXIY
2、UM) This specification is mandatory for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 sco e. This specification covers diaphragm actuated, globe and angle remote control va* or use in fluid systems where quick opening and closing of supply lines and resistance to sai
3、t water corrosion is required. Y 1.2 specified Classification. Valves shall be of the following types, classes and sizes as ?see 6.1). Type I - Globe. Type II - Angle. Class A - 150 pounds per square inch (p.s.i.1 service. Class B - 250 p.s.i service. Sizes - Valves shall be 3/8 inch through 16 inch
4、es iron pipe size (i.p.s.1. 2. APPLICABLE DCUMEJTS il 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of the specification to the extent specified herein. SPECIFICATIONS FEDERAL O-F-555 - Foam Liquid, Fire Extinguishinq, i.iechan
5、ica1. QQ-8-637 - Brass, Naval: Rod, Wire, Shapes, Forgings, and Flat Products with Finished Edges (Bar, Plat Wire, and Strip). QQ-N-281 - Nickel-Copper-Alloy, Bar, Plate, Rod, Sheet, Wire, Forgings and Structural and Special Shaped Sections. QQ-N-288 - Nickel-Copper Alloy and Nickel-Copper-Silicon A
6、lloy Castings. QQ-W-321 - Wire, Copper Alloy. QQ-W-390 - Wire: Nickel-Chromium-Iron Alloy. QQ-W-470 - Wire, Steel, High Carbon, Spring, Bright, Music. MIL-V-3 - Valves, Fittings and Flanges (Except for Systems Indicated lierein); Packaging of. MIL-R-196 - Repair Parts for Internal Combustion Engines
7、, Packaging of. MIL-B-857 - Bolts., Nuts, and Studs. MIL-S-901 - Shock Tests, H.I. (High-Impact); Shipboard Machinery, Equipment, and Systems, Requirements for. MIL-D-1000 - Drawinqs, Engineering and Associated Lists. !4IL-D-1000/2 - Drawings, Engineering and Associated Lists. MIL-F-1183 - Fittings,
8、 Tube, Cast Bronze, Silver-Brazing. MIL-E-2036 - Enclosures for Electric and Electronic Equipment, Naval MIL-C-2212 - Controllers, Electric !4otor, A.C. or D.C. and Associated %IL-R-2765 - Rubber Sheet, Strip, Extruded, and :lolded Shapes, Synthetic, MIL-C-6183 - Cork and Rubber Composition sheet; f
9、or Aromatic Fuel and MILITARY Shipboard. Switching Devices, Naval Shipboard. Oil Resistant. Oil Resistant Gaskets. FSC 4810 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-:lIL-V- 1550 8B Name of part Bodies Bonnets Seats Discs I-IILITARY (Cont d) NI
10、L-:!-15071 - :anuals, echnlcal : Equipment and System Content Mater i a 1 Applicable documents Remarks Bronze MIL-B-16541, ASTM B61 or Main valve and ASTM B143-1A pilot valve Nickel copper QQ-N-281 class A or B or - alloy QQ-N-288 comp. A or B alloy QQ-N-288 comp. A or B Nickel copper QQ-N-281 class
11、 A or B or One piece disc. Requirenents for. MIL-P-15137 - Provisioning Technical Documentation for Repair Parts For Electrical and :.lechanical Equipment (:Java1 Shipboard Use MIL-16541 - Bronze, Valves: Castings. ML-E-17555 - Electronlc and Electrical Equipment, Accessories, and Rep Parts: Packagi
12、ng and Packing of. SIIL-F-20042 - Flanges, Pipe, Bronze, Silver Brazing. 1IL-F-24385 - Fire Extinguishing Agent, Aqueous Film Forming Foam (AFFF) Liquid Concentrate, Six Percent, For Fresh and Sea Water. ir STANDARDS i4ILITARY dIL-STD-129 - rlarking for Shipment and Storage. mL-STD-417 - Rubber Comp
13、ositions, Vulcanized General Purpose, Solid (Symbols and Tests). (Copies of specifications, standards, drawings and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) to the e
14、xtGp-in. of invitation for bids or request for proposal shall apply. 2.2 Other ublications. The following documents form a part of this specification Unless otherwise indicated, the issue in effect on date AMERICAN SOCIETY FOR TESTIIJG AND MATERIAL (ASTM) 061 - Steam or Valve Bronze Castings. Bl43 -
15、 Tin Bronze and Leaded Tin Bronze Sand Castings. 8164 - Nickel-Copper Alloy Rod and Bar. Materials, 1916 Race Street, Philadelphia, Pa. 19103.) (Application for copies should be addressed to the American Society for Testing and UNIFORM CLASSIFICATION COW4ITTEE Uniform Freight Classification Rules. (
16、Application for copies should be addressed to the Uniform Classification Committee, 202 Union Station, 516 West Jackson Boulevard, Chicago, Illinois 60606.) NATIONAL CLASSIFICATION BOARD National Motor Freight Classification Rules. 2 Provided by IHSNot for ResaleNo reproduction or networking permitt
17、ed without license from IHS-,-,-HIL-V-L5508B Y m 9999906 01143852 2 - Nama of part Na ter i a 1 Bronze Holder, disc Insert, disc- - Rubber MIL-V-155488 Table I - Materials (Coptd). App 1 icablc documents Remarks Composite type MIL-B-16541, ASTM 861 or ASTN B143-1A disc. - MIL-R-2 7 6 5 or MIL-STD-41
18、 I Rut, insert, Stem biaphragms retainer Nickel copper QQ-:i-281 class A or B or alloy qq-ti-288 comp A or B Nickel copper QQ-N-281 class A or B alloy Rubber coated HIL-R-2 165 , MIL-STD-411 or fabric (single commercial material which and multiple is resistant to oil, sea ply 1 water and foam liquid
19、 as specified in O-F-555 and MIL-F-24385 - . Bolts, studs and nuts Pilot valve internal parts Composition in accordance with shall be ap- proved by 2AVSEC XIL-STD-417 I I Not in contact Naval brass - MIL-B-8 57 with sea water. 281 class A or B In contact with - Nickel copper Nickel copper alloy sea
20、water. alloy QQ-N-281 class A or B - (cadmium plated) Nickel copper alloy Nickel chromium Springs Phosphor bronze 1 QQ-W-321 Not in contact Carbon steel - 4 withsea water.i I ASTM B164 In contact with sea water. - Gas ke ts iron alloy Buna-N and cork MIL-C-6183 , class 1 Other materials if submitted
21、 to - NAVCEC and approved. 3.3 Desi n. The valves shall be of the globe (type I) or angle (type II) type main valve, condd by a pilot valve employing the fluid flowing through the main valve to rapidly (not more than 2 seconds maximum) open or close the main valve. The movement of the main valve dis
22、c shall be positively actuated by the movement of a rubber diaphragm when it is subjected to fluid pressures from 50 to 250 p.s.i. while controlling fluid in a similar range of pressures. size of the assembled unit shall be kept to a minimum. for the quick opening and closing of the main valve, and
23、shall be operable with electrical or mechanical operating mechanism (see 3.3.12). Diaphragms shall not be used as a disc or seating element. Weight and 3.3.1 A pilot control valve of a multiple port design shall be furnished to provide 3.3.2 Valves cause the valve to shall be so designed and remain
24、open. constructed that failure of the diaphragm will 3.3.3 The design of all valves shall be such as to afford easy access for adjustnent and repair without removal from the line. p.s.i. fluid service. Hydrostatic (water) test pressure shall be as follows: # 3.3.4 3. The main valve body shall be des
25、igned for class A 150 or class B 250 Class A - 150 p.s.i. service - 225 p.s.i. hydrostatic test. Class B - 250 p.s.i. service - 375 p.s.1. hydrostatic test. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-15508B 48 SSSSSOb OqlI3853 V w !4IL-V
26、-l5508B 3.3.4.1 Flarkin . The fo1;ow;ny infgrnation shall be cast in raised letters on the body of the made: Size Manufacturers name or tradexrr. Location of bridge wail The following information shall be either cast in raised letters or stamped with a round bottom stamp on a raised pad cast on the
27、body of the main valve: Specification MIL-V-15508 Direction of flow 3.3.5 Inlet and outlet connections. Inlet and outlet connections of the main valve shall be intex WjiShtheoay. union end type, as specified (see 6.1). When silver brazing union end connections are specified, the dimensions shall con
28、form to the applicable requirements of :iIL-F-1183. When union ends are required, the valve shall have the thread piece integral with the body, and shall be furnished complete with union rings and tail pieces. Flanged connections shall conform to dimensions specified in IIIL-F-20042 with drilling in
29、 accordance with MIL-F-20042 unless otherwise specified (see 6.1). All flanges on the valve shall be finished on the gasket mating surface as specified in MIL-F-20042. dimension “T“ of MIL-F-20042. highest controlezureo which it will be subjected in the specified working range. Where the bonnet or d
30、ome and body incorporate valve stem guides, the bonnet or dome and body mating flanges shall be provide with a positive means to facilitate and maintain alignment of the valve stem guides to insure free movement at any angle of valve installation in service. The connection shall be either flanged or
31、 silver brazing Valve bore to be chamfered to match 3.3.6 Bonnet or dome. The valve bonnet or dome shall be designed to withstand the 3.3.7 Stuffing boxes. Packed stuffing boxes shall not be used. 3.3.8 Valve discs and stems. Valve discs and stems shall be positively guided in such a manner as Gevmm
32、iG seizing due to lateral or angular thrust, to insure pro- per seating. Valve discs shall be single seated. 3.3.9 Valve seats shall be separate from the body and of a renewable type. 3.3.10 Springs. Springs shall be so designed that they will not be fully compressed under normal operation or adjust
33、ment within the designed working range of the valve. When removed from the valve and compressed solid, the springs shall not take a permanent set exceeding 0.10 inch per inch of face length of spring after a period of 10 minutes, at the time the valve is submitted for test. 3.3.11 O ration. Valves s
34、hall operate freely and smoothly when installed in any position. under normal operation. Thh be no hunting, chattering, pounding or excessive noise conditions 3.3.12 Valve o eratin mechanism. The method of operation shall be electrical or mechanical, amciHe 6.1) . 3.3.12.1 Mechanical operating mecha
35、nism. Mechanical operating mechanism, when speci- fied, shall be of the linkage type designed to permit the use of cable, pulleys and pull boxes. Provision shall be made for automatically and positively holding the pilot valve open or closed. # 3.3.12.2 Electrical o eratin mechanism. When specified
36、(see 6.11, pilot valves shall be furnished complete-ectrical controls in accordance with MIL-C-2212. controls shall be of a design approved by the command or agency concerned for the purpose intended, and shall conform to the following classification requirements, except that enclosure shall be spla
37、shproof in accordance with MIL-E-2036: 50OC. 440 volts. The mient - Voltage - Duty - Intermittent (shunt coils which are energized by a momentary contact pushbutton shall be capable of being energized for 5 minutes without exceeding a temperature use of 65OC.) Master switch - Remote (2-element momen
38、tary contact pushbutton station) not to be furnished by contractor. Insulation - Class A. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-155088 ir8 9 999990b Oirr13854 b MIL-V-15 5 8 B 3.3.12.2.1 The electrical controls shall provide for ope
39、ning and closing the pilot control valve by momentary operation of remote pushbuttons. cally latched in such a manner that the position of the pilot valve will not at any time ba affected by the Loss of electric power. opration of a remote 115-volt indicator light to indicate when the pilot control
40、valve is in the open position. Provision shall be made for emergency manual operatson. The manual operating mans shall be so protected as not to be readily operated by unauthorized persons, but shall be readily accessible to authorized personnel. incorporated in the control to assure positive operat
41、ion of the pilot valve under all conditions of service. It is to be expected that a valve (installed on a ship and connected to a fire main continuously under pressure) may not be operated for a period of six months and positive operation of the valve on low (80 percent of rated) voltage is required
42、 after such a period of idleness. The controls shall be mechani- The control shall incorporate contacts for Sufficient capacity shall be 3.3.13 Position indicatin mechanism. Each main valve shall incorporate a mechanism for indicating the posdhe valve disc. 3.3.14 Shock. The valve shall be designed
43、to meet the shock requirements of MIL-S- 901 for gradezlass ,I, type A equipment. 3.4 Re air arts Stock repair parts (shore-based) shall be handled in accordance with proceakohlP -15137 (see 6.2). furnished as onboard repair parts, as specified (one set - 100 percent per valve) (see 6.1): # The foll
44、owing parts of the valves shall be (a) Diaphragms. (b) Springs. (c) Seat rings and discs or disc inserts. (d) Compression rings or seals. (e) Pilot valve, complete. (f) Repair parts for electrical control mechanism when furnished, shall be in accordance with MIL-C-2212. # 3.5 S ecial tools. Special
45、tools for servicing of the valve, when required shall be furnishehh-ntity specified (see 6.1). not listed in the Federal Supply Catalog (copies of this catalog may be consulted in the office of the Defense Contract Administration Service (DCAS). valve propod approval of the command or agency concern
46、ed. categories B, E, G and H. and form 3 of MIL-D-1000 and type II of MIL-D-1000/2. shall be furnished with each valve as specified (see 6.1). may affectdation. spots, porosity, cracks, and other injurious defects. They shall be smooth and well cleaned both inside and outside, and all fins and rough
47、ness shall be removed. Castings shall not be repaired, plugged, impregnated, brazed, or burned. The workmanship shall be first class in every respect. Special tools are defined as those tools # 3.6 Drawin s. The contractor shall furnish, prior to production, drawings of the Drawings shall conform to
48、 # 3.7 Technical manuals. One technical manual in accordance with type I of !1IL-iI-15071 3.8 Workmanshi . Valves shall be free from defects affecting their appearance or that Castings shall be clean, sound and free from blow holes, hard 4. QUALITY ASSURANCE PROVISIONS # 4.1 Responsibility for ins e
49、ction. Unless otherwise specified in the contract or purchase order, the supplier is Eesponsible for the performance of all inspection require- ments as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the in- spection requirements specified herein, unless disapproved by the Government. The Govern- ment reserves the right to p
