GS38 DSB

The butterfly valves, model G.S. 38, are worked by a double-acting hydropneumatic actuator.

The use of large diameter cylindres ensures that the valves can function even where drive pressures are relatively low.

DETAILS

1

DRIVE PIN

2

CLAMPING SCREW FOR BUSHING

3

VALVE UPPER BODY

4

VALVE LOWER BODY

5

BUSHING

6

BUSHING

7

BUTTERFLY

8

RUBBER SLEEVE

9

BOLT

10

WASHER

11

HEXAGON NUT

12

BOLT

13

WASHER

14

HEXAGON NUT

15

COVER

16

CYLINDER SUPPORT

17

BOLT

18

RACK

19

CYLINDER

20

PISTON

21

GASKETS PISTON

22

BUSHING

23

WASHER

24

GEAR

25

"V" GASKET

26

COVER

27

FLANGE

28

BOLT

29

WASHER

30

HEXAGON NUT

31

OR GASKET

32

"V" GASKET

33

SOCKET




PRESSURE DETAILS UNI_1284

DN

P.N.

HYDRAULIC TEST Kg/cm2

WORKING PRESSURE Kg/cm2

OPEN

CLOSED

50

7

10

7

6

65

7

10

7

6

80

7

10

7

6

100

7

10

7

6

150

7

10

7

6

200

6

10

6

5

250

6

10

6

5

300

6

10

6

5




AIR PRESSURE REQUIRED KG/CM2

DN

50

65

80

100

150

200

250

300

MIN.

3

3

3

3

3

3

3

3

MAX.

5

5

5

5

5

5

5

5




DIMENSIONS

Ø

A

B

C

D

E

F

G

H

I

50

325

150

108

125

90

-

-

200

180

65

350

165

115

145

108

-

-

200

180

80

365

175

136

160

128

-

-

200

180

100

480

290

230

180

160

18

8

270

200

150

570

366

285

240

210

22

8

350

220

200

655

420

340

295

260

22

8

350

220

250

725

484

406

350

310

22

8

420

270

300

780

566

483

400

360

22

12

420

270




WEIGHT KG C.I.

9,000

12,000

15,000

33,000

43,000

48,000

58,000

78,000

DETAILS

1

DRIVE PIN

2

CLAMPING SCREW FOR BUSHING

3

VALVE UPPER BODY

4

VALVE LOWER BODY

5

BUSHING

6

BUSHING

7

BUTTERFLY

8

RUBBER SLEEVE

9

BOLT

10

WASHER

11

HEXAGON NUT

12

BOLT

13

WASHER

14

HEXAGON NUT

15

COVER

16

CYLINDER SUPPORT

17

BOLT

18

RACK

19

CYLINDER

20

PISTON

21

GASKETS PISTON

22

BUSHING

23

WASHER

24

GEAR

25

"V" GASKET

26

COVER

27

FLANGE

28

BOLT

29

WASHER

30

HEXAGON NUT

31

OR GASKET

32

"V" GASKET

33

SOCKET