Article IntroductionAfter the release and implementation of the new national standard (GB 5749-2022), two odor and taste indicators, namely 2-Methylisoborneol (2-MIB) and Geosmin, have become mandator...
23 Jun,2026
Brass stop valves, made of brass due to its corrosion resistance, are used to regulate water pressure in fire protection systems. They ensure that water is delivered to sprinklers or standpipes at the correct pressure, optimizing the system's effectiveness.
The stop valve can open or close the valve by rotating the handwheel or valve stem to control the flow of water.
The stop valve will have a certain impact on the water flow rate. When the stop valve is completely closed, the copper core in the valve will be sealed with the valve seat, and the water flow in the pipe will be completely cut off
When the stop valve is fully opened, the copper core in the valve will be completely separated from the valve seat. At this time, the water flow in the pipe will be released unrestricted. In this case, the water flow rate of the pipe will be larger.
The flow direction of the medium should be consistent with the direction of the arrow shown on the valve body.
The stop valve operated by handwheel and handle can be installed at any position in the pipeline
The working stroke is small, the opening and closing time is short.
Good sealing performance, small friction between sealing surfaces and long service life.
Simple structure, convenient to manufacture and maintain.
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