flange butterfly valve
3/D641X/9-10 Series
Application:
This butterfly valve is fit for the medium pipe of smelt metal, electric power, petroleum, chemic industry, city planning project and water factory whose pipe medium is water, oil and air. It can cut off the flow and adjust the medium flux.
Characteristic
1 The design and structure is novel, the dimension is small and the weight is light.
2 On-off is fast and operation is portable for the double eccentricity.
3 The butterfly board and sealing ring don't have any slip rub for the double eccentricity. The service life is long, sealing is credible and easy to adjust.
working theory
Circumgyrating the handwheel of the butterfly valve through the worm and worm wheel to running and drive the valve stem butterfly board to circumgyrate in 90° which let the butterfly valve at open or closed status and arrive at the connection or break aims.
main feature standard
| model |
nominal pressure |
shell testing pressure |
sealing testing pressure |
working temperature |
suitable medium |
| 3/D641X-10/9 |
1.0 |
1.5 |
1.1 |
≤80℃ |
water,druggery |
main part material
| name |
valve body, butterfly board |
valve base |
sealing ring |
packing |
| material |
ashy cast iron, ductile cast iron |
medium carbon steel, stainless steel(ZCr13) |
Buna-N rubber |
flexible graphite |
|
