Manual Type

Pneumatic Type

GS18

These valves are used for the same purposes as valves with closing control, however their design departs from the latter because the valve is fitted with a double action hydro-pneumatic cylinder for the opening and closing operations.
The valves of this model are available in the flow diameters ranging from 100 to 350 mm.

DETAILS

2

INSIDE PIPE FITTING

3

GASKET

4

"V" GASKET

5

RUBBER TUBE

6

PLUG

7

TIE ROD

8

RUBBER SLEEVE

9

HEXAGON NUT

10

DRIVE PIN

11

RETURN BUSHING

12

VALVE BODY

13

HEXAGON NUT

14

WASHER

15

HEXAGON BOLT

16

CLAMPING SCREW FOR BUSHING

17

WASHER

18

WASHER

19

SUPPORT AND CYLINDER

20

STUD BOLT

21

CYLINDER

22

PISTON

23

"V" GASKET

24

CLAMPING

25

HEXAGON NUT

26

WASHER

27

HEXAGON BOLT




PRESSURE DETAILS UNI_1284

DN

P.N.

HYDRAULIC TEST Kg/cm2

WORKING PRESSURE Kg/cm2

OPEN

CLOSED

100

4

10

4

3

125

4

10

4

3

150

4

8

4

3

175

4

8

4

3

200

4

8

4

3

250

4

8

4

2,5

300

4

8

4

2,5

350

3,5

8

3,5

2




AIR PRESSURE REQUIRED KG/CM2

DN

100

125

150

175

200

250

300

350

MIN.

3

3

3

3,5

3

3

3

3

MAX.

6

6

6

5

5

4

4

4




DIMENSIONS

Ø

A

B

G

H

I

100

845

275

282

220

180

125

960

300

328

250

210

150

1055

330

384

285

240

175

1145

355

418

315

270

200

1255

375

460

340

295

250

1400

510

515

395

350

300

1540

600

605

445

400

350

1680

700

720

505

460




WEIGHT KG

ALLUMINIUM

C.I.

44,000

63,000

53,000

76,000

67,000

98,000

84,000

124,000

100,000

154,000

130,000

194,000

160,000

265,000

225,000

365,000

DETAILS

2

INSIDE PIPE FITTING

3

GASKET

4

"V" GASKET

5

RUBBER TUBE

6

PLUG

7

TIE ROD

8

RUBBER SLEEVE

9

HEXAGON NUT

10

DRIVE PIN

11

RETURN BUSHING

12

VALVE BODY

13

HEXAGON NUT

14

WASHER

15

HEXAGON BOLT

16

CLAMPING SCREW FOR BUSHING

17

WASHER

18

WASHER

19

SUPPORT AND CYLINDER

20

STUD BOLT

21

CYLINDER

22

PISTON

23

"V" GASKET

24

CLAMPING

25

HEXAGON NUT

26

WASHER

27

HEXAGON BOLT






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