1、 AMSC N/A FSC 4820 A-A-59440/12 5 December 2012 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET VALVE, RELIEF, STRAIGHT, STEAM The General Services Administration has authorized the use of this commercial item description for all federal agencies. The complete requirements for procuring the valve, r
2、elief, straight, steam described herein shall consist of this document and the issue in effect of A-A-59440. CLASSIFICATION/PART OR IDENTIFICATION NUMBER (PIN). This Commercial Item Description (CID) specification sheet uses a classification system which is included in the PIN as shown in the follow
3、ing example (see NOTES). AA59440 /12 - 060 CID number Applicable Dash number CID spec sheet (see figure 1) (two digits) SALIENT CHARACTERISTICS. Interface and physical dimensions. Valve, relief, straight, steam supplied to this CID specification sheet shall be as specified herein (see figure 1). Siz
4、e. Nominal sizes of 1/4 inch through 1 inch with NPTF-1 threads. Intended application. This item is for use in steam systems where pressures do not exceed 150 psig (10.3 bar) steam at 150F (65.6C) and the liquid is compatible with brass. Permissible variations in dimensions. Figure 1 lists the permi
5、ssible variation in dimensions for each size. The external dimensions of the valve should not limit procurement unless the end item applications restrict these dimensions. Optional designs. Figure 1 is for identification purposes only and is not intended to restrict designs or shapes not dimensioned
6、. Threads. Threads are dryseal NPTF-1 in accordance with CID A-A-59440. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59440/12 2 Materials. Preferred valve material. Preferred material is brass in accordance with ASTM B61. Brass. Bra
7、ss shall be in accordance with the following: ASTM B16/B16M ASTM B121/B121M ASTM B505/B505M SAE AMS4845 ASTM B22 ASTM B124/B124M ASTM B584 SAE AMS4855 ASTM B30 ASTM B148 ASTM B763 SAE AMS4860 ASTM B36/B36M ASTM B176 ASTM B770 SAE AMS4862 ASTM B61 ASTM B271 SAE AMS4890 ASTM B62 ASTM B369 Protective C
8、oating. Brass: None. Caution: Brass with lead contents shall not be used for potable water or oxygen systems. Mounting. Mounting shall be vertical as to vent to ground. Pressure. a. Inlet Pressure: 150 psi (10.3 bar). b. Reference turn down pressure: 10:1. Spring. Spring shall be stainless steel. Te
9、st Pressures. Perform tests in accordance with A-A-59440 using API Standard 598. a. Shell test pressure 275 psig (19.0 bar). b. The seat test can be part of shell test in accordance with API Standard 598. c. Certification of testing can be used in place of testing if procuring activity accepts. Prov
10、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59440/12 3 Dash number Nominal pipe size A Pipe tread, NPTF-1 B Ref C Ref 060 1/4 1/4 - 18 6 4 061 3/8 3/8 - 18 8 6 062 1/2 1/2 - 14 8 6 063 3/4 3/4 - 14 8 6 064 1 1 11 1/2 10 8 NOTES: 1. Dimensions are
11、 in inches. 2. Metric equivalents are given for information only. 3. Unless otherwise specified tolerances are .010 inch (0.25 mm). 4. Oval port having same cross sectional area is acceptable. 5. Measurements across flats of hexagonal wrench pad shall be a standard measurement. FIGURE 1. Valve, reli
12、ef, straight, steam. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59440/12 4 NOTES. PIN. The PIN should be used for Government purposes to buy commercial products to this CID specification sheet. See the classification section for PIN format e
13、xample. Source of documents Commercial Item Description A-A-59440 - Cock-Valves and Valves, General Requirements For (Copies of these documents are available online at https:/assist.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, P
14、A 19111-5094.) American Petroleum Institute API Standard 598 - Valve Inspection and Testing (Copies of this document are available online at http:/www.api.org/Standards/ or from American Petroleum Institute, 1220 L Street, NW, Washington, DC 20005-4070, Tel: 202-682-8000.) ASTM INTERNATIONAL ASTM B1
15、6/B16M - Free-Cutting Brass Rod, Bar and Shapes for use in Screw Machines ASTM B22 - Bronze Castings for Bridges and Turntables ASTM B30 - Copper Alloys in Ingot Form ASTM B36/B36M - Brass Plate, Sheet, Strip, and Rolled Bar ASTM B61 - Steam or Valve Bronze Castings ASTM B62 - Composition Bronze or
16、Ounce Metal Castings ASTM B121/B121M - Leaded Brass Plate, Sheet, Strip, and Rolled Bar ASTM B124/B124M - Copper and Copper Alloy Forging Rod, Bar, and Shapes ASTM B148 - Aluminum-Bronze Sand Castings ASTM B176 - Copper-Alloy Die Castings ASTM B271 - Copper-Base Alloy Centrifugal Castings ASTM B369
17、- Copper-Nickel Alloy Castings ASTM B505/B505M - Copper Alloy Continuous Castings ASTM B584 - Copper Alloy Sand Castings for General Applications ASTM B763 - Copper Alloy Sand Castings for Valve Applications ASTM B770 - Copper-Beryllium Alloy Sand Castings for General Applications (Copies of these d
18、ocuments are available online at http:/www.astm.org or from the ASTM International, P.O. Box C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59440/12 5 SAE INTERNATIONAL SAE AMS4845
19、- Tin Bronze Castings, Sand and Centrifugal 87.5CU - 10SN - 2ZN as Cast SAE AMS4855 - Leaded Red Brass, Sand and Centrifugal Castings 85CU - 5.0SN - 5.0PB - 5.0ZN as Cast SAE AMS4860 - Manganese Bronze, Sand and Centrifugal Castings 58CU - 39ZN - 1.2FE - 1.0AL - 0.80MN as Cast SAE AMS4862 - Manganes
20、e Bronze, Sand and Centrifugal Castings 63CU - 24ZN - 6.2AL - 3.8MN - 3.0FE High Strength, as Cast SAE AMS4890 - Copper-Beryllium Alloy Castings 97CU - 2.1BE - 0.52CO - 0.28SI Solution Heat Treated (TBOO) (Copies of these documents are available on line at www.sae.org from SAE International, 400 Com
21、monwealth Drive, Warrendale, PA 15096-0001, and Tel: 877-606-7323 inside USA and Canada or 724-776-4970 outside USA, email at CustomerServicesae.org.) MILITARY INTERESTS: CIVIL AGENCY AND COORDINATING ACTIVITIES: Custodians: GSA - FSS Army - AR Navy - SH Air Force - 99 Preparing activity: DLA - CC D
22、LA - CC Review activities: Army - AT, CR4, GL, MI (Project 4820-2012-007) Navy AS, MC, SA NOTE: The activities listed above were interested in this document as of the date of this document. Since organization and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
