There are two ways to express the service life of valves abroad: one is the service life, one is the number of switches.
Because of the particularity of nuclear power plant, the service life of nuclear power valve has been stipulated in all countries. Nuclear industry valve is the use of life, the general life is 30 ~ 40 years, the United States, Germany nuclear power valve guarantee 40 years, 30 years, 30 years in Japan, 30~40 years.
General valve service life is expressed by the number of switches, because of the difference in service conditions and different test methods, the number of switches does not necessarily indicate the valve life.The long service life can be calculated only if the working conditions are the same, the use or test method is the same, and the number of switches or the use time is long.
General knowledge of valves:
Weiwo have a certain understanding of the service life of the valve, xiaobian in the explanation of the little knowledge about the valve, the valve is in the fluid system, used to control the direction of the fluid, pressure, flow of the device is to make pipe and equipment in the medium (liquid, gas, powder) flow or stop and can control the flow of the device. It also has the functions of cutting off, regulating, guiding, preventing countercurrent, stabilizing pressure, diverging or overflowing pressure relief.
Weiwo can supply many different kinds of industrial valves and valve parts, such as ball valve, gate valve, check valve, globe valve, butterfly valve, brine valve and some other OEM valves. Most of their material are stainless steel, carbon steel, brass and so on. We can do and design according to customers’ drawings or samples.
Company Name: Shijiazhuang Weiwo Machinery Co., Ltd.
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Phone: +86 311 80895608
Address:No. 2, Xueyuan Road, South of Hongqi Street