本文件规定了压载水排放取样口的设计和安装要求。 根据需要，与船舶协调，将合适的样本采集探头安装到船上样本口中，以采集压舱物样本，并且在其他时间用盲法兰密封样本口。本文件说明了样本端口的位置，以适应代表性采样，并对端口的表示进行了标准化，以适应各种探头配置。它提供了样本收集口下游压载管线的回流口规范，允许处理后的样本水回流至压载管。 样品采集团队根据ISO 11711？2的要求确定合适的样品探针和其他样品采集设备。 注:本文件中讨论的样本端口与ISO 11711-2中讨论的样本探针之间的区别值得注意。取样口是一个永久性装置，设计并安装在船舶压载管道中，以接受多个取样探头配置。取样探头是取样方设计的临时安装的集水管，用于配合取样口并满足样品的测量目标。 本文件适用于压载物排放管尺寸为DN 100或更大且有湍流的船舶。附录A中给出了较小压载管直径的指南。 本文件主要涉及压载水排放样品的收集。附件B中提供了用于收集吸收样本的样本端口安装的可选要求。

This document specifies requirements for the design and the fitting arrangements of ballast water discharge sample ports. In coordination with the vessel, a suitable sample collection probe is installed into the shipboard sample port as needed to collect ballast samples, and the port is sealed with a blind flange at other times. This document addresses the location of sample ports to accommodate representative sampling, and it standardizes the presentation of the port to accommodate various probe configurations. It provides specifications for a return port to the ballast line downstream of the sample collection port, allowing processed sample water to be returned to the ballast pipe. The appropriate sample probe and other sample collection apparatus is determined by the sample collection team according to the requirements of ISO 11711 2. NOTE The distinction between the sample port discussed in this document and the sample probe discussed in ISO 11711-2 is worth noting. The sample port is a permanent apparatus designed and installed in the ship's ballast piping to accept multiple sample probe configurations. The sample probe is a temporarily installed water collection pipe designed by the sampling party to mate with the sample port and to meet the measurement objectives of the sample. This document is applicable to ships with a ballast discharge pipe size of DN 100 or greater, with turbulent flows. Guidance for smaller ballast pipe diameters is given in Annex A. This document primarily addresses the collection of ballast water discharge samples. Optional requirements for installation of sample ports intended to collect uptake samples are provided in Annex B.