Mute Check Valve

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Mute Check Valve

Model: CVKR
Nominal diameter: DN300 ~ 600mm
Nominal pressure: PN1.0 ~ 2.5MPa
Suitable medium: water, oil, water, sewage
Temperature: 0 ~ 80 ℃
Sealing test: 1.1 times the nominal
Shell test: 1.5 Times public pressure
shared:

Silent check valve Hydraulics-based contouring for better streamlined design Internal design with flow guide ensures minimum pressure loss. Muting check valve installed in the pump outlet at the back of the water before the first quick closure to avoid water hammer, water hammer and broken flat impact in order to achieve the purpose of silence, prevent backflow and equipment protection. Mute check valve is widely used in water supply and drainage, fire protection, HVAC, industrial systems.

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First, silent check valve main technical parameters

Nominal diameter

DN300 ~ 600mm

Nominal pressure

1.0 / 1.6 / 2.5MPa

Operating temperature

0 ° C -80 ° C

Seal test

1.1 times the nominal pressure

Shell test

1.5 times the nominal pressure


Second, quiet check valve material description

Serial number

Part Name

Material

1

Body

GG25

2

Valve plate

QA19-4

3

Bearing

QA19-4

4

spring

SYS316

5

Flow guide

GG25

6

Seat

QA19-4

 

Third, the main dimensions (flange drilling according to GB / Tl7241.6-1998 standards)

model

Nominal diameter

D1

D2

D3

N-ΦD

L

1.0MPa

1.6 MPa

1.0MPa

1.6 MPa

1.0MPa

1.6 MPa

1.0MPa

1.6 MPa

CVKR-0300

DN300

370

400

410

460

12-13

12-28

181

CVKR-0350

DN350

429

460

470

520

16-23

16-28

184

CVKR-0400

DN400

480

515

525

580

16-28

16-31

191

CVKR-0450

DN450

530

565

585

640

20-28

20-31

203

CVKR-0500

DN500

582

620

650

715

20-28

20-34

219

CVKR-0600

DN600

682

725

770

810

840

20-31

20-37

222

CVKR-0700

DN700

794

840

840

895

910

24-31

24-37

280

CVKR-0800

DN800

901

950

950

1015

1025

24-34

24-40

356

CVKR-0900

DN900

1001

1050

1050

1125

1125

28-40

28-40

368

CVKR-1000

DN1000

1112

1160

1170

1230

1255

28-43

28-43

432

CVKR-1200

DN1200


1380

1390

1455

1485

32-49

32-49

524


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