MY-127 Brass pressure reducing valve special measuring instrument for mixed gas

Brass pressure reducing valve special measuring instrument for mixed gas.

Model: MY-127, MY-128, MY-129

Measurement range: 0 - 3 (MPa)

Applicable medium: mixed gas

Rated flow: 300 (m³/h)

Purpose: mixed gas

Structure: single-stage type

Working principle: positive-acting type

Ambient temperature: 40 (℃).

- Brass gas pressure reducer,

- Brass pipeline pressure reducing valve,

- Brass valve for pressure reduction.

Brass pressure reducing valve for pipeline gas.

1. **Material characteristics**

   - **Advantages of brass material**: The brass pressure reducing valve for pipeline gas is mainly made of brass. Brass is an alloy, usually a combination of copper and zinc. It has good corrosion resistance, which enables the pressure reducing valve to resist corrosion caused by factors such as moisture and impurities in the gas when in contact with various pipeline gases (such as natural gas, oxygen, nitrogen, etc.). For example, in natural gas transmission pipelines, there are a small amount of impurities such as sulfides. The brass pressure reducing valve can effectively prevent corrosion by these impurities and prolong service life. Moreover, brass has good processing properties and is easy to be made into various complex shapes through casting, forging and other methods, which is convenient for manufacturing the internal precision structure of the pressure reducing valve, such as the valve core and valve seat.

   - **Appearance and weight**: Brass has a golden yellow appearance and is relatively beautiful, which is more applicable in occasions where there are requirements for equipment appearance. At the same time, its density is moderate, so that the pressure reducing valve will not be too heavy while ensuring a certain mechanical strength. For the pressure reducing valve installed in the pipeline system, it is convenient for installation and maintenance and will not cause excessive burden on the pipeline.

2. **Working principle**

   - **Pressure reduction process**: When high-pressure gas enters the brass pressure reducing valve from the pipeline, the gas first acts on the valve core. The valve core controls the flow area of the gas through cooperation with the valve seat. As the inlet gas pressure changes, the valve core will generate displacement under the action of pressure difference. For example, when the inlet pressure increases, the valve core will move upward, reducing the flow area of the gas. According to Bernoulli's principle, a decrease in gas flow velocity will lead to a decrease in pressure, realizing the pressure reduction function.

   - **Pressure regulation mechanism**: The brass pressure reducing valve for pipeline gas...