BNSV Signal butterfly valve
Overview
Worm gear and worm drive are adopted, and then the cam rotates, the contact on the signal device is pressed down or released according to the predetermined position, and the corresponding "on" and "off" electrical signals are output to show the opening and closing status of butterfly valve. It can be widely used in water supply and drainage, fire protection, petroleum, chemical industry, medicine, steel and other pipelines as cut-off or regulation.
● It has simple structure and small size. Due to its compact structure, short structure length, small volume and light weight, it is suitable for large caliber.
● When the valve seat is fully open, the effective flow area of the valve seat channel is large, so the fluid resistance is small.
● It is convenient and quick to open and close, with good adjustment performance, and the butterfly plate rotates 90. It can be opened and closed. By changing the rotation angle of the butterfly plate, the flow can be controlled by stages.
| No. | Parts | Material |
| 1 | Body | QT450-10 |
| 2 | Disc | QT450-10+EPDM |
| 3 | O ring | NBR |
| 4 | Stem | 2Cr13 |
| 5 | Worm Gear | QT450-10 |
Custom production accepted, more dimensions,please contact us.