The difference between the composite exhaust valve and the micro exhaust valve
2025-08-08 03:20:21
SCAR Series Sewage Combined Exhaust Valve
Overview:
The SCAR series sewage combined exhaust valve operates on the same principle as a standard clear water combined exhaust valve, but with structural modifications to better handle wastewater. The valve body is extended, and the lever mechanism is slightly adjusted to ensure that dirt settles in the lower part of the valve, preventing it from interfering with the exhaust process or causing leaks. This design makes it ideal for use in sewage systems where debris and impurities are common.
Main Specifications:
Pressure Rating: PN10
Nominal Diameter: DN50 to DN200 mm
ARSX/ARSH Series Micro-Exhaust Valve
In normal conditions, water contains approximately 2% dissolved air by volume. As water moves through pipelines, this air tends to escape and accumulate at high points, forming air pockets that can significantly reduce the system's efficiency—by up to 5–15%. The ARSX/ARSH series micro-exhaust valves are designed to remove this dissolved air, improving flow efficiency and reducing energy consumption. These valves are commonly used in high-rise buildings, industrial piping systems, and small pumping stations to optimize performance and save energy.
SIMPLE LEVER TYPE Micro-Exhaust Valve
This micro-exhaust valve features an elliptical body made entirely of 304 stainless steel, including the float ball, lever, frame, and valve seat. It has a standard exhaust port of 1/16", and is suitable for pressures up to PN25.
Main Specifications:
Nominal Diameter: DN15 to DN25
Nominal Pressure: PN10, PN16, PN25
CARX Series Compound Exhaust Valve
Construction and Use:
The CARX series compound exhaust valve is a cylindrical valve body containing stainless steel balls, float arms, and a poppet. It is typically installed at pump outlets or in water distribution lines to release large amounts of trapped air or small accumulations at high points. This helps improve pipeline and pump efficiency. Additionally, when negative pressure occurs in the pipeline, the valve quickly draws in air to prevent damage.
Operating Principle:
During initial water filling, the valve remains open to release air. As water fills the valve, the float rises, closing the valve and stopping the exhaust. If a small amount of air builds up later, the water level drops, causing the float to descend and allowing air to escape through a small hole. When the pump stops, the valve opens to allow air intake, preventing vacuum formation and protecting the pipeline.
CARX Series Single Ball Compound Exhaust Valve (for Clean Water)
Pressure Rating: PN10
Nominal Diameter: DN25–100mm (DN25 is threaded, others are flanged)
CARX Series Separate Compound Exhaust Valve (for Clean Water and Sewage)
Pressure Rating: PN10
Nominal Diameter: DN250–300mm
CARX Series Double Ball Composite Exhaust Valve
Pressure Rating: PN10
Nominal Diameter: DN250–300mm
Exhaust valves are essential components in pipeline systems, widely used in boilers, HVAC systems, oil and gas, and water supply networks. They are often installed at high points or bends to remove excess air, enhance system efficiency, and reduce energy costs.
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