Product Detail
Electric Single-seat Control Valve-- Introduced BELLAZP Type
Electric Single-seat Control Valve-- Introduced BELLAZP Type
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Product Details

Product Features

· BELLAZP series of single-seat control valve with BELL Linear actuator electric actuator, adjustment of high precision, and has a fault alarm function

· According to user needs, BELLAZP series of single-seat control valve can also increase the locally panel display and remote control settings.

· Single-seat control valve leakage is minimal, is a good choice for customers who have high requirement for leakage.

The main parameters

Body material: cast iron, cast steel, cast stainless steel, etc.

Pressure rating: 1.6Mpa 4.0Mpa 6.4Mpa

Connection: flange connection according to JB79-59

temperature range::Normal temperature type -20—230℃    Fin type -60—450℃

Effect form: Electric to open or Electric to close

Flow characteristics: Equal percentage, linear

Leakage: single-seat valve: 0.01% × rated Kv

The main parameters of the actuator

·Input, output signal::420mA DC

· Input channel resistance: 250 ohms

· Basic error: ± 1%;

· Dead:      0.5%--3% (adjusted according to system requirements)

· Power supply voltage:   Three-phase 380V 50Hz   

                          single phase 220V 50Hz (other power can be customized);

· Working temperature :   Integral -10℃~+55℃,Discrete-25℃~+70℃ ;

· Working environment humidity:   ≤85%,ambient air does not contain corrosive properties

· Protection class : bus type,   intelligent IP67;

· Communication Interface: bus line with international standard protocol PROFIBUS-DP.

BELLAZP, ZAZP single-seat valve Specification table

Nominal diameterDN

20

25

32

40

50

65

80

100

125

150

200

250

300

Spool diameter (mm)

10

12

15

20

25

32

40

50

65

80

100

125

150

200

250

300

Rated flow coefficient Kv

1.2

2

3.2

5

8

12

20

32

50

80

120

200

280

450

700

1100

Nominal pressurePN   MPa

1.6            4              6.4

with DKZ actuator type

DKZ-4100

DKZ-4200

DKZ-4300

DKZ-5400

DKZ-5500

DKZ-5600

with BELL actuator type

BELL-A+Z64

BELL-A+Z160

Rated travel (mm)

10

16

25

40

60

100

Flow characteristics

Equal percentage       Linear

Mode of action

         electric to open                                 electric to close

temperature range

Normal temperature -20~200℃         Fin-type -60~450℃

Note: Large diameter single-seat control valve can be customized according to user requirements.

Overall dimensions diagram (with BELL Linear actuator electric actuator)

Nominal diameter   DN

20

25

32

40

50

65

80

100

125

150

200

250

300

L

1.6MPa

181

184

184

222

254

276

298

352

415

451

600

650

740

4.0MPa

194

197

197

235

267

292

317

368

425

473

610

670

770

6.4MPa

206

210

210

251

286

311

337

394

435

508

650

690

800

H

Normal temperature

641

655

661

743

758

799

802

806

857

865

904

930

955

Fin-type

777

791

797

871

886

962

965

969

1054

1062

1101

1126

1150

B

407

407

407

460

460

460

460

460

460

460

460

460

460

C

280

280

280

280

280

280

280

280

280

280

280

280

280


Note: Large diameter single-seat control valve can be customized according to user requirements.


Takeover Flange basic dimensions: cast iron body PN1.6 according to JB78-59

                            Steel body PN4.0, PN6.4 according to JB79-59



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Tel :   86-22-27553780       Fax :   86-22-27529983      E-mail :   FW@bellaut.com