Self-reliance type pneumatic - valve when the installation needs to pay special attention to what?

Control valve pneumatic control valve is also called self-reliance self-reliance type type, is a kind of rely on through the media in the valve itself pressure, temperature, as energy drive valve work automatically, do not need the power converter and secondary instrument of pneumatic control valve.


self-reliance type pneumatic control valve installation notice:


1. Valve used in gas medium or low viscosity liquid, usually type ZZY self-reliance type pressure pneumatic - valve to erect installed in a horizontal pipe, when position space does not allow to flip or inclined outfit.


2. To facilitate the maintenance and operation, the pressure regulating valve should leave proper space all around.


3. When medium for clean gas or liquid, the valve before the filter is not installed.


4. Pressure regulating valve size is too large, DN 100 or higher) , shall have the fixed bracket when confirmed that medium is very clean, 3 is not installed.


5. Location is not allowed, bypass valve can be omitted.


6. After the valve group users according to need optional check valve, relief valve, etc.


7. Valve used in steam or high viscosity liquid medium, usually type ZZY self-reliance type pressure pneumatic - valve to handstand installed in a horizontal pipe, condenser, Steam with self-reliance type) Should be higher than the pressure regulating valve actuator and below the valve before and after taking over. Before using the condenser shall be filled with cold water, irrigation time after about 3 months.