The difference between the composite exhaust valve and the micro exhaust valve
2025-08-08 03:21:42
SCAR Series Sewage Combined Exhaust Valve
Overview:
The SCAR series sewage combined exhaust valve operates on the same principle as the clear water combined exhaust valve, but with structural modifications to better handle wastewater. The valve body is extended, and the lever mechanism is adjusted so that dirt settles at the bottom of the valve, preventing it from interfering with the exhaust process or causing water leakage. This design ensures efficient operation even in environments where wastewater may contain more particulate matter.
Main Specifications:
Pressure Rating: PN10
Nominal Diameter: DN50 - 200mm
ARSX/ARSH Series Micro-Exhaust Valve
Under normal conditions, water contains approximately 2VOL% dissolved air. As water flows through the pipeline, this air gradually separates and accumulates at high points, forming an air pocket (air bag). This can significantly reduce the efficiency of the system, potentially lowering water delivery capacity by 5–15%. The ARSX/ARSH micro-exhaust valve is designed to remove this dissolved air, making it ideal for installation in high-rise buildings, industrial piping systems, and small pumping stations. It helps improve system efficiency and save energy.
The SIMPLE LEVER TYPE micro-exhaust valve features an elliptical valve body. All internal components—such as the float ball, lever, lever frame, and valve seat—are made of 304S.S stainless steel, ensuring durability and resistance to corrosion. The standard exhaust size is 1/16", and it is suitable for working pressures up to PN25.
Main Specifications:
Nominal Diameter: DN15 – DN25
Nominal Pressure: PN10, PN16, PN25
CARX Series Compound Exhaust Valve
Construction and Use:
The CARX series compound exhaust valve has a cylindrical body containing a set of stainless steel balls, float arms, and a poppet. It is typically installed at the pump outlet or along the water distribution pipeline to remove large amounts of air that accumulate in the system. It also discharges small pockets of air that gather at higher points, improving pipeline and pump efficiency. In case of negative pressure within the pipe, the valve quickly draws in outside air to prevent damage to the pipeline.
Operating Principle:
When water starts flowing into the pipe, the poppet remains open to release a large volume of air. As water fills the valve, the float rises, closing the poppet and stopping the air release. During normal operation, if a small amount of air accumulates, the water level drops, causing the float to descend and allowing air to escape through a small hole. When the pump stops, the pipe may experience emptying or negative pressure, prompting the poppet to open and draw in air to maintain pipeline integrity.
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 any pipeline system. They are widely used in boilers, HVAC systems, oil and gas pipelines, and water supply and drainage networks. Installed at high points or bends, they help eliminate excess air, enhance system efficiency, and reduce energy consumption.
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