Butterfly Check Valve
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Butterfly Check Valve

Availability:
Quantity:

图片3

Technology:

1.Design and manufacture;BSEN12334;

2.Face to face (end to end):BSEN558-2 Series 14,ISO5752-2 Series 14;

3.Flange connection: EN1092-2;BS4504;DIN2501;JIS10K/5K;ANSI B16.1;
   Table D/E etc other flange types are available.

4.Test and inspection:EN12266/ISO5208/BS6755,API598;


COMPONENT

MATERIAL

Yoke

Ductile iron

Cylinder

Carbon steel

Arm

Ductile iron

Balance weight

Cast iron

Up shaft bearing

Stainless steel with PTEF lining

Down shaft bearing

Stainless steel with PTEF lining

Shaft end cover

Ductile iron

Up shaft

Stainless steel

Down shaft

Stainless steel

Disc

Ductile iron

Disc seat ring cover

Ductile iron/Stainless steel

Seat of body

Stainless steel

Disc seat ring

EPDM

Body

Ductile iron


TEST PRESSURE

BODY

37.5

24

15

Bar


SEAT

27.5

17.6

11


WORKING PRESSURE


25

16

10


FLOW MEDIUM

WATER

SUITABLE TEMPERATURE

≦80℃


Diamenstions MM

DN

DIN3302 F4

PN10

PN16

PN25

ANSI B16.1


L

C

n-∅d

C

n-∅d

C

n-∅d

C

n-∅d

150

210

240

8-∅23

240

8-∅23

250

8-∅28

241.5

8-∅22

200

230

295

8-∅23

295

8-∅23

310

12-∅28

298.5

8-∅22

250

250

350

12-∅23

350

12-∅23

370

12-∅31

362.0

12-∅25

300

270

400

12-∅23

410

12-∅28

430

16-∅31

432.0

12-∅25

350

290

460

16-∅23

470

16-∅28

490

16-∅34

476.0

12-∅29

400

310

515

16-∅28

525

16-∅31

550

16-∅37

539.5

16-∅29

450

330

565

20-∅28

585

20-∅31

600

20-∅37

578.0

16-∅32

500

350

620

20-∅28

650

20-∅34

660

20-∅37

635.0

20-∅32

600

390

725

20-∅31

770

20-∅37

770

20-∅40

749.5

20-∅35

700

430

840

24-∅31

840

24-∅37

875

24-∅43

863.5

28-∅35

800

470

950

24-∅34

950

24-∅40

990

24-∅49

978.0

28-∅41


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