GOST 8 586 2-2005 State system for ensuring the uniformity of measurements Measurement of liquids and gases flow rate and quantity by means of orifice instruments Part 2 Orifice pl.pdf

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1、 2 ISO 5167-2:2003Measurement of fluid flow by means of pressure differential devices inserted incircular cross-section conduits running full Part 2: rifice plates(MOD) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)8.586.22005( 5167-2:2003)32006/32, - 1.092 . - 1.297 .

2、, . , , -, 1 ( ), - - ( ), - , , - (), 2 3 , (- 28 9 2005 .) : ( 3166) 00497 ( 3166) 00497 AMBYKZKGMDRUTJTMUZUA - - - 4 5167-2:2003 , . 2. (ISO 5167-2:2003Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduitsrunning full Part 2: rifice plates

3、) , - . - 1.52001 ( 3.6)5 31 2006 . 237- 8.586.22005 ( 5167-2:2003) - . . 2. . 1 2007 .6 ()- ., . , 2007 -, II 8.586.220051 12 13 , , .24 e .24.1 .24.2 25 .25.1 25.2 .65.3 .95.4 .146 146.1 146.2 156.3 .216.4 256.5 .266.6 .27 () 28 () .35 36III 8.586.22005 8.586.1-2005 8.586.5-2005 . ( -) :- 1. ;- 2.

4、 . ;- 3. . ;- 4. . ;- 5. . - : -, 1932, 1), . - , , ( ) , .1414. , , , - ., : , 1932, , . . 2 :- , - ;- ;- . , - -, , , . - . . , , .1) 3 .IV 8.586.22005 2. State system for ensuring the iniformity of measurements. Measurement of liquids and gases flow rate and quantity bymeans of orifice instrument

5、s. Part 2. Orifice plates. Technical requirements 200701011 , . , . 8.586.1. , - 0,05 1 , 5000.2 : 8.586.12005 ( 5167-1:2003) -. . 1. (5167-1:2003-,- . 1. , MOD) 8.586.52005 . . 5. - 173782001 ( 3419:1981) - . . (3419:1981 , , MOD) 2485681 ( 6552:1980) . - ( 6552:1980 . -, MOD) - - , 1 - , , . (), -

6、 () . , , , , .1 8.586.22005( 5167-2:2003) 3 , , , , - 8.586.1.4 4.1 4.1.1 , , - , -. , . ( ) , , , , .4.1.2 qm=(c112d2/4) c101(2c114c68p)0,5. (4.1) (4.1) 8.586.1 ( ). 2 -, . - .4.1.3 , , , qm= qvc114 = qcc114c. (4.2)4.2 (4.1) , , . , , Re, , . . 8.586.1 ( ) 8.586.5 ( 8). - , , 8.586.5 ( 5).5 5.1 5.

7、1.1 1. - , 1, .2 8.586.220055.1.2 5.1.2.1 , .5.1.2.2 . .5.1.2.3 , (. 5.1.3.1) c1771%. , 5:EDpc179 c162c233c235c234c249c251c25030 681 0 65105c68max,(, , ) ;c115c98(5.1)EDABcc179c162c43c43,(5.2)3 8.586.220051 ; 2 1 ABQQ Qc61c230c232c231c246c248c247c230c232c231c246c248c247c236c237c239c238c239c252c253c2

8、39c254c239c61c230c232c43c43,;23 2 2332053c81c81c231c246c248c247c230c232c231c246c248c247c236c237c239c238c239c252c253c239c254c239c61c433205323Q bac,;QbaEapbac61c230c232c231c246c248c247c61c230c232c231c246c248c247;,max2270051332yc68c81abc61c61c98c98 c98(, ,); ,13 5 155 117 10613 , ; , ;c115 , ;Dc162 , . c115 , . (5.1) (5.2)

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