| 摘要 |
A paint circulating system back pressure regulator comprises a flow passage for paint, at least part of which is disposed between a fixed structure and a moveable surface which is moveable to vary the width of the flow passage so as to regulate a pressure of paint upstream of the regulator. The regulator is also provided with a chamber having an opening for communicating with a supply of a pressurised fluid for controlling operation of the regulator. |
