1、 ISO 7714:2000Agriculture irrigation equipment Volumetric valves General requirements and test methods(IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC) 7714200442004/46, - 1.092 . - 1.297 . , . , , -, 1 - - () - , 42 , 3 , (- 25 26 2004 .) : ( 3166) 00497 ( 3166) 004
2、97 BYGEKZKGMDRUTJTMUZ - c4 7714:2000 . . (ISO 7714:2000 Agriculture irrigation equipment Volumetric valves General requirementsand test methods). - , - 5 28 2006 . 45- 77142004 - 1 2008 .6 ( ) - . () , . - , 2006 -, II 77142004 Agriculture irrigation equipment.Volumetric valves. General technical re
3、quirements and test methods1 - ( ), - . , - . , , 5 60 .2 , . - . , -, , . . . / 2:1996 . 7-1:1994 . 1. , 2859-1:1999 . 1. (AQL) - 4064-1:1993 . . 1. 4064-3:1999 . - . 3. 7005-1:1992 . 1. 7005-2:1998 . 2. 9644:1993 . . 1 77142004 200801013 , /2, :3.1 (volumetric valve): , - - , .3.2 (serial volumetr
4、ic valve): , - .3.2.1 (two-way serial volumetric valve): , - . . - .3.2.2 (three-way serial volumetric valve): . , , , , . - .3.3 (non-serial volumetric valve): , - .3.4 (maximum flow rate): , - .3.5 (nominal flow rate) qnom: , - .3.6 (minimum flow rate): , - , - .3.7 (range of flow rates): -.3.8 (m
5、aximum working pressure): , , - .3.9 (minimum working pressure): , , .3.10 (range of working pressures): - .3.11 (nominal pressure): - , , - .4 4.1 : 1 , , 4064-1. 2 , , , - 4064-1.2 77142004 1 2 - . 3 , , .4.2 :- ;- :- ;- .5 , :- - ;- qnom;- ;- , ;- , ( );- ;- , , - .6 6.1 , , , -, -, . - , , , 7.1
6、. , , - . , , - (, ) . , - , , . .6.2 , 1. 1 , 3/ b, ()G3/4B 1,5 G3/4B3G1 5 G11/2B 12 G 2 B 20 50 (2)G3B 40 80 (3)G 4 B 60 100 (4)3 77142004 1 , 3/ b, () 150 150 (6) 250 200 (8) 400 250 (10) 600 300 (12)a 7-1.b 7005-1 7005-2.6.3 , -, 7-1. -, , 7-1. , - . - .7 , 7.1 , .1 . 5 30 , . - .7.2 , , , c177 2%, .7.3 7.3.1 20 . - 2. 2 , . 7.4 517.5 4 17.6 3 07.7 2 07.8 2 0 . , , .4 77142004 , - , , , 2., .7.3.2 2859-1 (AQL) 2,5 S-4. 7.4 2- 2859-1. -,2859-1.
