SH/T 3156-2019 in English

This document provides technical specifications and engineering guidelines for the design, selection, installation, and maintenance of shaft sealing systems used in centrifugal and rotary pumps within the petrochemical industry. It covers various aspects including the classification and performance requirements of sealing systems, materials selection, installation procedures, and operational considerations. The content is intended to ensure the safe and efficient operation of pumps under different process conditions. It includes detailed information on the application scope, technical parameters, and testing methods for different types of shaft sealing systems. The document also outlines the requirements for system integration, compatibility with pump types, and considerations for environmental and safety standards. This standard is applicable to the design and engineering of shaft sealing systems in petrochemical facilities.