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YDF-A Dome Valve

Product overview

Product model: YDF-A
Nominal diameter: DN80-DN400mm
Working pressure: ≤ 0.5Mpa
Operating temperature: ≤150℃
Air source pressure: 0.4~ 0.6Mpa
Air consumption: 1~3 L/ time
Cylinder output torque: 75~650N.m/5bar
Working medium: powder granular material

YDF-A Dome Valve product details

YDF-A Dome Valve product description

YDF-a dome valve is professionally developed by our company according to the actual powder transmission conditions of thermal power and water glass manufacturing systems at home and abroad. The product has novel structure, excellent and stable performance, good sealing performance, automatic air pressure compensation, protective valve seat design, erosion resistance, zero friction during opening and closing rotation and long service life. The product has strong centralized automatic control ability, can be jointly controlled with computer, adapt to the automation requirements of modern pipeline, and is widely used in powder transmission control of thermal power, cement manufacturing, glass manufacturing and thermal power systems for opening and closing.
Ydf-a dome valve is widely used in thermal power plant, pneumatic ash removal, power plant dust removal, feeding and discharging system. It has the advantages of simple structure, less wear and small torque.


YDF-A Dome Valve 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.


YDF-A Dome Valve 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


YDF-A Dome Valve 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



Reminder:

All text, data and pictures in this article are for reference only.To see more details of the YDF-A Dome Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

+86-021-57278881
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