涵盖控制阀和调节器的技术公告概要。内容:1。技术表401——用作控制阀和调节器噪声外部处理的绝缘系统2。技术表402——自力式减压调节器的基本原理3。技术表403-层流阀尺寸易于调整4。技术表404-简单参考指南:直接操作和先导操作调节阀之间的差异5。技术表405-使用供气调节器的阀门执行器故障动作

A compendium of technical bulletins covering Control Valves and Regulators.Contents:1. Tech Sheet 401 - Insulation Systems Used as External Treatment for Control Valve and Regulator Noise2. Tech Sheet 402 - Fundamental Principles of Self-Operated Pressure Reducing Regulators3. Tech Sheet 403 - Laminar Flow Valve Sizing Made Easy4. Tech Sheet 404 - Simple Reference Guide: Differences Between Direct and Pilot-Operated Regulating Valves5. Tech Sheet 405 - Valve Actuator Fail Action Using Air Supply Regulators