Pressure reducing valve steam energy loss, help, pressure reducing valve energy loss

It would be incomplete for you to think about it this way.

Through a pressure reducing valve.

, the kinetic energy brought by the steam is swirled around in the pressure reducing valve, and eventually the internal energy is lost. In other words, the energy loss caused by the pressure reducing valve is directly wasted. The work done on the pressure reducing valve is only to increase the temperature of the pressure reducing valve, and eventually dissipate heat into the atmosphere and lose it.

If the steam turbine is pushed, this energy is eventually converted into electrical energy and can be used.

Here are some of the well-known brands recognized in the valve industry, which are widely recognized and have a high reputation. While rankings may vary depending on time and market conditions, the following brands are generally considered to be among the top brands in the valve industry:

The following are the top ten domestic first-line valve brand manufacturers in 2022-2023, but for reference only: Suzhou Neway Valve Co., Ltd., Shanghai Guanlong Valve Machinery, Shanghai Qizhong Valve Manufacturing, Sanhua, Su Yan, Shentong, Su Valve, Nanfang, Jiang.

First, the word Yao. The above manufacturers are only estimates and references, and the specific situation may vary or fluctuate at any time due to changes in a series of factors such as changes in the market, the size of the competition pattern, and the stability of product quality. As an indispensable key device in industrial production and civil facilities, the quality and reputation of the valve brand directly affect the satisfaction and trust of users.

These brands are known in the valve industry for their innovative technology, high-quality products and reliability. It is important to note that the market and industry are evolving rapidly, and different rankings may vary depending on time and region. For the most up-to-date ranking information, it is recommended to refer to industry reports, professional organizations or market research data for more detailed and accurate information.

Y series pressure reducing regulators.

1. Use: It is used for all occasions when the branch and trunk roads need to be decompressed and stabilized, and the hot and cold water supply system of high-rise buildings can replace the partitioned water tank to achieve the ideal water supply pressure in the low area.

Second, the working principle:

The principle of hydraulic balance is used to make the pressure reducing valve in a closed state to isolate the liquid medium at the inlet and outlet, and control it at a low and stable outlet pressure, so as to achieve static pressure reduction.

In the apocalyptic state of the pressure reducing valve, due to the change of the flow area, the energy loss caused by the liquid medium passing through the valve port of the pressure reducing valve realizes the pressure reduction.

3. Commissioning: The commissioning of Y110 and Y416 pressure reducing valves is as follows:

1. Static debugging:

a. The shut-off valve before closing the valve.

b. Adjust the adjusting rod of the pressure reducing valve in the counterclockwise direction and adjust the spring to the loosest.

c. Close the globe valve after the valve, and slowly open the globe valve before the valve.

d. Slowly adjust the adjusting rod of the pressure reducing valve in the clockwise direction, observe the pressure gauge behind the valve, and adjust it to the static pressure value behind the valve until the pressure gauge is the required static pressure value behind the valve.

e. If the pressure regulation is excessive, it must be readjusted from the first step.

Generally, the valve mouth of such a high-pressure globe valve is reduced. Don't know what the reduction value is?

The reduction value of this globe valve produced by our company is 35mm

According to the "Practical Valve Design Manual", the valve does not have the concept of energy loss, which generally refers to the pressure loss, c = q * root number (r p), where c refers to the flow coefficient (cubic meter hours).

q refers to the volume flow rate (cubic meters per hour).

r refers to the density of the fluid (kg cubic meters).

P refers to the pressure loss of the valve (bar) - note: 1 bar = our 35mm reduced diameter value of the globe valve, c is calculated as cubic meters of hours, you can calculate the value of p backwards according to the above formula.