1. The purpose, operating conditions and operating control methods, valve specifications and categories of the selected valve should meet the requirements of the pipeline design document, and the working pressure should be greater than or equal to the working pressure of the pipeline. 2. The n

1. Clarify the purpose of the valve in the equipment or device, determine the valve's working conditions, applicable medium, working pressure, working temperature, etc. 2. Clarify the nominal diameter and connection method of the pipeline connected to the valve: flange, thread, welding, etc. 3

Use characteristics: The main use performance and use range of the valve are determined. The use characteristics of the valve are: valve category (closed-circuit valve, regulating valve, safety valve, etc.); product type (such as gate valve, globe valve, butterfly valve, ball valve, etc.) ; Material

A quality management system (QMS) such as the ISO 9001:2015 provides a structured approach to process improvements, thereby enhancing the competitive capacity of companiesworldwide. The new ISO 9001: 2015 introduces three new requirements: the organization context, the interested parties and the ri

Dear All,We will attend the 128th Canton Fair.Exhibition Date: OCT. 15th - 24thBooth No.: 15.4E27