Quick operation guide for PVC manual double-order ball valve
Manual dual-action ball valve is a very common household pipe connection accessories in our life. Do you have trouble not knowing how to use it? This is an operation guide of PVC manual double-order ball valve written through practice.
I believe that through this operation, you can also easily and quickly master the skills of operating the manual PVC double control.
一How to install PVC manual double ball valve
1. Indoor installations or outdoor applications with protective methods;
1. Indoor installations or outdoor applications with protective methods;
2. Outdoor open-air installations, eroded by wind, sand, rain, sunlight, etc.;
2. Outdoor open-air installations, eroded by wind, sand, rain, sunlight, etc.;
3. Flammable, explosive gas or dust environment;
3. Flammable, explosive gas or dust environment;
4. Wet and dry tropical environments;
4. Wet and dry tropical environments;
5. The temperature of the pipeline medium is as high as 450 ℃ or more;
5. The temperature of the pipeline medium is as high as 450 ℃ or more;
6. The ambient temperature is lower than -20℃;
6. The ambient temperature is lower than -20℃;
7. Easily flooded or soaked;
7. Easily flooded or soaked;
8. Environment with radioactive substances (nuclear power plants and radioactive substances test equipment);
8. Environment with radioactive substances (nuclear power plants and radioactive substances test equipment);
9. The environment of ships or docks (with salt spray, mold, humidity);
9. The environment of ships or docks (with salt spray, mold, humidity);
10. Occasions with severe vibration; occasions prone to fire;
10. Occasions with severe vibration; occasions prone to fire;
二How to use PVC manual double ball valve
1) Before the operation, it must be confirmed that the pipes and valves have been flushed.
1) Before the operation, it must be confirmed that the pipes and valves have been flushed.
2) The operation of the valve drives the rotation of the valve stem according to the input signal of the actuator: when the valve is rotated 1/4 turn (90°) in the forward direction, the valve is closed. The valve opens when reversely rotated 1/4 turn (90°).
2) The operation of the valve drives the rotation of the valve stem according to the input signal of the actuator: when the valve is rotated 1/4 turn (90°) in the forward direction, the valve is closed. The valve opens when reversely rotated 1/4 turn (90°).
3) When the indicator arrow of the actuator is parallel to the pipeline, the valve is in the open state; when the indicator arrow is perpendicular to the pipeline, the valve is closed.
3) When the indicator arrow of the actuator is parallel to the pipeline, the valve is in the open state; when the indicator arrow is perpendicular to the pipeline, the valve is closed.
