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Structure and applicable working conditions of electric butterfly valve
Electric butterfly valve is one of electric valve and electric regulating valve. There are mainly flange type electric butterfly valve and wafer type electric butterfly valve, which are classified according to the connection method of electric butterfly valve. The electric butterfly valve is usually composed of a quarter-stroke electric actuator and a butterfly valve through […]
What to consider when choosing a suitable resilient seated gate valve
The soft-seal /resilient seated gate valve is widely used. It is favored by users because it overcomes the product defects such as poor sealing and rust of ordinary gate valves. The soft sealing gate valve has a unique elastic seat seal to achieve a good sealing effect. The soft sealing gate valve is easy to […]
Reasons and fixing for Leakage of the seat of the metal seated Gate Valve
The metal seated gate valve is well used in high temperature and high pressure media, but it also requires high quality due to the particularity of the working conditions, and the sealing problem that makes users most concerned about. What are the main reasons for leakage on the sealing surface? What measures can we take? […]
What kind of centerline wafer butterfly valve is a high-quality butterfly valve
There are many types of butterfly valves. Today we mainly want to discuss the centerline wafer butterfly valve, which is our more common type of butterfly valve. It has a wide range of applications, and currently there are many manufacturers of soft-seal wafer type butterfly valves. However, the quality and appearance of these butterfly valve […]
Comparison of the characteristics of wafer butterfly valves and flanged butterfly valves
To find out what is the difference between the wafer butterfly valve and the flange butterfly valve, let’s take a look at the comparison of some characteristics of the wafer butterfly valve and the flange butterfly valve. The biggest difference is of course that the flanged butterfly valve has two more flanges, and the wafer […]
Can a gate valve be used for oxygen as the medium?
If the soft-sealed gate valve you purchase will be used for oxygen media, the manufacturer will usually advise you not to do so, and inform you that it is prohibited to use gate valves in oxygen media pipelines in the specification. What is the reason for this requirement? In fact, this is mainly related to […]
Operation precautions of stainless steel butterfly valve
Stainless steel butterfly valves are usually metal seated butterfly valves, which can be driven by manual, pneumatic, etc., and are suitable for use in high temperature and corrosive medium pipelines. Stainless steel butterfly valves are currently widely used in the market and can be seen in many fields. Especially in metallurgy, chemical industry, building materials, […]
Is it better to install gate valve or ball valve next to regulating valve?
Because both gate valve and ball valve can be used behind the regulating valve, the functions they undertake are basically similar. The two are only different in structure, so users often have questions about whether the gate valve is better or the ball valve is better. This is exactly what this article will discuss today. […]
cast steel gate valve vs stainless steel gate valve
The statement “cast steel gate valve is a gate valve made of stainless steel” is inaccurate. It is only a one-sided understanding of the two types of valves from the literal meaning. In fact, there are still very big differences between the two. Cast steel gate valves refer to all gate valves made of metal […]
Application of metal seated butterfly valve in metallurgical field
In the initial use of metallurgical blast furnaces, gate valves occupies half of the country. However, as the government has increased its efforts in environmental protection construction, and the pipe diameter of the blast furnace system has gradually increased, the metal seated butterfly valve, which is light in weight, good in sealing performance, small in […]