GOST ISO 7714-2004 Agriculture irrigation equipments Volumetric valves General technical requirements and test methods《农业灌溉设备 容量阀 一般技术要求和测试方法》.pdf

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

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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

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