Butterfly valve 159 S09

(with inflatable seal)

 
 

The butterfly valve with an inflatable seal is used because of its special function, especially for abrasive media, adhesive powders and granules that must not be destroyed.

The advantage: When the disc is closed, the seal is inflated with a time delay - before opening, the seal is sucked back onto the casing by creating a vacuum. 

As a result, the seal is subject to very little wear. Another positive effect can be achieved by inflating the seal - baked-on media can be blasted off the sealing ring.

Customer-specific structures for this butterfly valve can be implemented individually.

Product details

Application area Plant construction, Process technology, Pharmaceutical industry, Food industry, Thermal power plants, Feed industry, Waste incineration plants, Building materials
Installation situation Wafer type / Lug type
Medium/Physical state Bulks, Liquids, Gases
Diameter DN 50 – DN 700

Materials

Casing

Alloy / Stainless steel / Steel / EN-GJS-400-15 / Special materials

Face to Face length

KRAFT factory standard, EN 558-1 line 20

Disc

Steel / Stainless steel / (Coating possible on request)

Shaft

Steel / Stainless steel

Bearing pin

Steel / Stainless steel

Sealing

NBR, EPDM, PUR, AU, MVQ, FKM

Flange boring

PN 6, PN 10, Special flange boring on request

Actuation

Pneumatic driven (double acting / single acting)
Manual operation

Certificate

according to DGRL 2014/68/EU
according to FDA 177.2600
according to VO EG 1935/2004

Application area

ATEX zone 0/20 – 2/22

Advantages

1 no friction during opening and closing process between disc and seal
 
2 low seal wear
 
3 easy maintenance
 
4 long lifetime
 
5 special sizes on request
 
6 Constructions possible according to customer requirements
 
7 customized versions on request
 

Dimension drawing

Maßzeichnung Absperrklappe Typ S09 (mit aufblasbarer Dichtung)

Dimensions

DN

A

~B

H

Ø D

J

Ø LK

L

Z

C

 

 

 

 

 

KW

DIN

PN 10 / EN 1092

50

153,5

316

212

165

35

43

125

18

4

84,5

65

153,5

333

228

185

35

46

145

18

8

84,5

80

203,5

365

243

200

35

46

160

18

8

93

100

203,5

385

263

220

35

52

180

18

8

93

125

241

436

301

250

41

56

210

18

8

106

150

241

466

331

285

41

56

240

22

8

106

200

259

532

385

340

51

60

295

22

8

118,5

250

304

628

453

395

66

68

350

22

12

136

300

304

679

504

445

66

78

400

22

12

136

350

304

733

558

505

66

78

460

22

16

136

400

333

805

618

565

66

102

515

26

16

146,5

500

394,5

927

720

670

75

127

620

26

20

166

600

422,5

1067

841

780

75

154

725

30

20

181

700

422,5

1175

949

895

75

165

840

30

24

181

800

474

1368

1097,5

1015

76

190

950

33

24

200

 

Address

Ewald Kraft
Apparatebau und Vertriebs GmbH
Siegersbusch 23-25
D-42327 Wuppertal-Germany

Contact

Phone +49 202 97904-0
Fax       +49 202 97904-99
info@kraft-armaturen.de
Contact form

 

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