本规范规定了全球石油和天然气行业使用的化学注入装置的要求。这包括指定、选择、设计验证、验证测试、制造、质量控制、测试和准备装运化学注入装置的要求。这些要求包括在线碎屑筛系统、一次性可剪切/易碎设备，以及性能测试和校准程序的信息。化学注入装置和系统的安装和回收不在本文件范围内（见API 19G2和API 19G3）。 本文件不包括芯轴、载体、运行、拉动和踢脚工具、搬运工具和闩锁、注射管线、配件、控制管线接头、夹具、化学品和化学品输送系统的要求。使用过的化学注入装置的服务、维修或补救不在本文件范围内。

This specification provides requirements for chemical injection devices intended for use in the worldwide petroleum and natural gas industry. This includes requirements for specifying, selecting, design verification, validation testing, manufacturing, quality control, testing, and preparation for shipping of chemical injection devices. These requirements include in-line debris screen systems, single-use shearable/frangible devices, and information on performance testing and calibration procedures.The installation and retrieval of chemical Injection devices and systems is outside the scope of this document (see API 19G2 and API 19G3).This document does not include requirements for mandrels, carriers, running, pulling, and kick-over tools, handling tools and latches, injection lines, fittings, control line connectors, clamps, chemicals and chemical delivery systems. Service, repair or redress of used chemical injection devices is outside of the scope of this document.