标准摘要
[中文适用范围]： 本文件规定了用于灌溉系统的直动式压力调节阀（以下简称“压力调节器”）的结构和性能要求以及测试方法，水温不超过 60°C，可能含有肥料和化学物质以及农业灌溉中常用的浓度。 本文件适用于标称尺寸不超过 100 毫米（4 英寸）的压力调节器。 [外文原描述]： This document specifies construction and performance requirements and test methods for direct-acting pressure-regulating valves (hereinafter "pressure regulators") intended for operation in irrigation systems, with water at temperatures not exceeding 60 °C, which can contain fertilizers and chemicals of types and in concentrations commonly used in agricultural irrigation. This document applies to pressure regulators in nominal sizes up to and including 100 mm (4 in).
英文名称Agricultural irrigation equipment — Direct-acting pressure-regulating valves