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
1. Pay attention to the storage environment of the valve. It should be stored in a dry and ventilated room, and both ends of the passage should be blocked.2. The valve should be inspected regularly, the dirt on it should be removed, and anti-rust oil should be
