The pneumatic single-seat control valve consists of a pneumatic multi-spring diaphragm actuator and a low-flow single-seat valve. The new actuator has low bottom, low weight and easy assembly. The new valve body is compact in structure, smooth in flow path and has a large flow coefficient. . In order to achieve interchangeability, pneumatic single-seat control valves of different manufacturers of the same size and specifications can be interchanged, so that users do not have to spend a lot of time to select a manufacturer. In order to achieve interoperability, pneumatic single-seat control valves from different manufacturers should be able to work with pneumatic single-seat control valve products from other manufacturers without signal mismatch or impedance mismatch. Pneumatic single seat control valve Standardized diagnostic software and other ancillary software enable different manufacturers' pneumatic single-seat control valves to perform operational diagnostics, operational data analysis, and more. Standardized selection process. The selection of pneumatic single-seat control valve is still a matter of great concern to the self-control designer. Using standardized calculation procedures, according to the data provided by the process, the flow coefficient of the required pneumatic single-seat control valve can be correctly calculated, and the piping and the appropriate valve can be selected. The body, valve core and trim materials make the design process standardized and improve the design quality. Refined. In order to reduce the weight of the pneumatic single-seat control valve for transportation, installation and maintenance, the following measures are taken for the miniaturization of the pneumatic single-seat control valve. 1. It should be installed vertically on the horizontal pipe. When it is necessary to install it horizontally or obliquely under special circumstances, it should generally be supported. The panel mounted on the wall of the incubator should be parallel to the wall of the incubator. 2, should be installed close to the ground or floor, in order to maintain and repair, for those with a positioner or handwheel mechanism, should also ensure observation, adjustment and operation and convenience. 3. The bypass line is generally set to switch to manual operation when the automatic control system fails or repairs, so that production is not stopped. 4. When the handwheel mechanism is installed, the manual operation can also be omitted when the bypass pipe is omitted, and it can also be used for the limit opening. When the use is stopped, the handwheel mechanism must be restored to the original neutral position to facilitate the normal operation of the automatic control system. 5. When the pneumatic regulating valve is installed, the flow direction of the medium should be consistent with the direction indicated by the valve body. 6. Clean the pipeline and clean the welding slag before installation. After installation, fully open, clean the pipeline, etc. and test the tightness of each joint.
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6 points of pneumatic single seat control valve use precautions:
