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Dome valve

Products > Ceramic valve > Dome valve

Dome valve

Model: YDF-A
Nominal diameter: DN80-DN400mm
Working pressure: ≤0.5 MPa
Operating temperature: ≤150 ℃
Air pressure: 0.4 ~ 0.6 MPa
Air consumption: 1 ~ 3 L / secondary
cylinder output torque: 75 ~ 650N .m / 5bar
working medium: powder granular material
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Product description

YDF-A dome valve is our company to introduce advanced foreign special powder valve technology, and in accordance with domestic and foreign thermal power and water glass manufacturing systems and other systems of the actual transmission of powder and professional development, with a number of patented technologies. New product structure, excellent performance and stability, good sealing performance, automatic pressure compensation, protective seat design, erosion resistance, open and close rotary zero friction, long service life. Products with strong automatic control of centralized control with the computer can be combined to meet the automation requirements of modern pipelines, widely used in thermal power, cement manufacturing, glass manufacturing and thermal power transmission systems such as powder control, start Closed off the flow of use. 
 YDF-A dome valve is widely used in thermal power plants, pneumatic ash, power plant dust, and feeding, discharging system, it has the advantages of simple structure, less wear and tear, small torque.


 
Structural features
1, the valve adopts inflatable ring, valve opening and closing, no contact between the spool and the seal. 
2, when the valve is switched over, the ring inflated to achieve elastic deformation of the seal.

3, the valve is in place switch, and the switch signal can be sent to the PLC for remote control.

4, the valve cylinder drive, easy and quick switching.

5, the structure is simple, directly driven by the cylinder valve to open and close the valve state, easy maintenance.
 

Technical Parameters

project

unit

YDF200

YDF250

DN

mm

200

250

System pressure

MPa

0.35

(Working point) Supply pressure:

The lowest pressure

MPa

0.5

The highest pressure

MPa

0.8

Pressure switch high pressure

MPa

0.5

Cylinder model


DA-160

System operating voltage

V

220VAC / 24VDC

Ambient temperature

-20 ~ 55

Rated working temperature

150

Import and Export Flange with Reducing Adapter (Mounting) Dimensions:

DN

mm

200

250

Outer diameter

mm

340

395

Coupling screw hole center diameter r

mm

295

350

Number of bolts and specifications (nd × L): import


8-M20 × 60

12-M20 × 65

Number of bolts and specifications (nd × L): exit


8-M20 × 85

12-M20 × 85

Import and export between the flange surface distance (H)

mm

488

528

Import and export flange without reduction of the flange (installation) Size:

Import flange: (with 4.9.14.9.4.1)

Export flange:

DN

mm

300

350

Outer diameter

mm

445

505

Coupling screw hole center diameter

mm

400

460

Number of bolts and specifications (nd × L)


12-M20 × 85

16-M20 × 85

Import and export between the flange surface distance (H)

mm

305

325

Overall dimensions (L × W × H)

mm

900 × 470 × 305

947 × 540 × 325

Weight (without the extension diameter take over)

kg

168

231


 The main connection size

Serial number

Code

name

Quantity

Serial number

Code

name

Quantity

1

Y-100

Body assembly

1

4

Y-400

Actuator

1

2

Y-202

Reducing the takeover

1

5

Y-501

trachea

1

3

Y-300

control box

1

6

AC2000

filter

1

model

D

D1

d1

D2

d2

B

H

H1

a

b

YDF200 

470

340

295

445

400

900

305

488

8

12

YDF250 

540

395

350

505

460

946

325

528

12

16


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