1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
I. Principles for Selecting Butterfly Valves
1. Structure type selection
Center butterfly valve (center line type): The valve stem and butterfly disc are centrally symmetrical, with simple structur...
The flow characteristics of the regulating valve are mainly four kinds of flow characteristics such as linear percentage fast opening and parabola. When installed in the actual control process, the...
1. ISO 9001 quality system certification
2. ISO 14001 Environmental Management System Certification
3.OHSAS18000 Occupational Health and Safety Management System Certification
4.EU CE certification...
The lug butterfly valve is a quarter-turn valve used to control the flow of fluids. They are often used in industrial applications that require tight control of fluids. The valve consists of a meta...
TWS Air Release Valves have been very popular. The air release valve adopts advanced technology, has the characteristics of rapid exhaust and good stability. It can effectively prevent the gas accu...