QB1 single-port exhaust valve, also known as P1 single-port exhaust valve, the valve body is cylinder-shaped, and its internal structure is mainly stainless steel float. The valve is divided into two kinds of exhaust valves: thread type and flange type. P1 single outlet exhaust valve is suitable for the pipeline whose working temperature is less than 80℃ to remove the gas in the pipe and dredge the pipe so that the pipe can operate normally in the work. When water starts to fill the pipe, the float ball will float upward slowly. At this time, the valve has been discharged. When it reaches a certain level, the float firmly resists the rubber ring, indicating that all air has been discharged from the exhaust nozzle.

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