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Selection method of common valves
1 Key points of valve selection 1.1 Clarify the purpose of the valve in the equipment or device Determine the working conditions of the valve: the nature of the applicable medium, working pressure, working temperature and operation control method, etc.; 1.2 Correctly select the type of valve The ...Read more -
Definition and difference between safety valve and relief valve
Safety relief valve, also known as safety overflow valve, is an automatic pressure relief device driven by medium pressure. It can be used as both a safety valve and a relief valve depending on the application. Taking Japan as an example, there are relatively few clear definitions of safety valve...Read more -
Gate valve maintenance procedures
1. Introduction to gate valves 1.1. Working principle and function of gate valves: Gate valves belong to the category of cut-off valves, usually installed on pipes with a diameter greater than 100mm, to cut off or connect the flow of media in the pipe. Because the valve disc is in the gate type, ...Read more -
Why is the valve set this way?
This regulation applies to the installation of gate valves, stop valves, ball valves, butterfly valves and pressure reducing valves in petrochemical plants. The installation of check valves, safety valves, regulating valves and steam traps shall refer to the relevant regulations. This regulation ...Read more -
Valve production process
1. Valve body Valve body (casting, sealing surface surfacing) casting procurement (according to standards) – factory inspection (according to standards) – stacking – ultrasonic flaw detection (according to drawings) – surfacing and post-weld heat treatment – finishin...Read more -
Basic knowledge and selection of solenoid valves
As a core control component, solenoid valves play a vital role in transmission machinery and equipment, hydraulics, machinery, power, automobiles, agricultural machinery and other fields. According to different classification standards, solenoid valves can be divided into many types. The classifi...Read more -
How to choose a pressure regulating valve?
What is a pressure regulating valve? At a basic level, a pressure regulating valve is a mechanical device designed to control upstream or downstream pressure in response to changes in the system. These changes may include fluctuations in flow, pressure, temperature or other factors that occur dur...Read more -
Detailed explanation of basic knowledge of diaphragm valve
1. Definition and characteristics of diaphragm valve Diaphragm valve is a special valve whose opening and closing component is an elastic diaphragm. The diaphragm valve uses the movement of the diaphragm to control the on and off of the fluid. It has the characteristics of no leakage, fast respon...Read more -
Valve sealing principle
Valve sealing principle There are many types of valves, but their basic function is the same, which is to connect or cut off the flow of media. Therefore, the sealing problem of valves becomes very prominent. To ensure that the valve can cut off the medium flow well and prevent leakage, it is nec...Read more -
Overview of the connection between valves and pipelines
As an indispensable control element in the fluid pipeline system, valves have various connection forms to adapt to different application scenarios and fluid characteristics. The following are common valve connection forms and their brief descriptions: 1. Flange connection The valve is connected t...Read more -
The function of two-piece ball valve
Two-piece ball valves are a popular choice in many industrial and commercial applications, especially when controlling fluid flow. These valves are a type of quarter-turn valve that uses a hollow, perforated, and rotating ball to control the flow of water, air, oil, and various other fluids. For ...Read more -
PVC Butterfly Valve – Understand the functions of critical equipment
Butterfly valves play a vital role when it comes to controlling fluid flow in piping systems. In industrial applications, PVC butterfly valves are a popular choice due to their durability and efficiency. In this article, we’ll take an in-depth look at the functions of butterfly valves, specifical...Read more
