GS53 HW

These valves, of the guided flow type, are normally closed and are opened by a hydropneumatic cylinder with spring return.

The valve body and the diaphragm can be supplied, to customer’s specifications, in the materials most suitable for facilitating flow of the various liquids.

This model is fitted with a closing handwheel.

DETAILS

1

WHEEL AND BUSHING

3

SUPPORT

4

HEXAGON NUT

5

WASHER

6

PLUG

7

HEXAGON BOLT

8

DIAPHRAGM

9

GUIDE PIN

10

"V" GASKET

11

HEXAGON NUT

12

VALVE BODY

13

CLAMPING

14

WASHER

15

HEXAGON BOLT

16

HEXAGON NUT

17

WASHER

18

HEXAGON BOLT

19

COVER

20

SPRINGS

21

CYLINDER

22

PISTON, DRIVE PIN, GUIDE PIN

23

"V" GASKET

24

BRONZE NUT

25

WHEEL BUSHING




AIR PRESSURE REQUIRED KG/CM2

DN

20

25

30

40

50

60

75

100

125

150

200

MIN.

4

4

4

4

4

4

3.5

3.5

3

3

2.5

MAX.

6

6

6

6

6

6

5

5

5

4

4




PRESSURE DETAILS UNI_1284

DN

P.N.

HYDRAULIC TEST Kg/cm2

WORKING PRESSURE Kg/cm2

OPEN

CLOSED

20

4,5

15

4,5

4

25

4,5

15

4,5

4

30

4,5

15

4,5

4

40

4,5

15

4,5

4

50

4

15

4

3

60

4

15

4

3

75

4

15

4

3

100

3,5

15

3,5

2,5

125

3,5

13

3,5

2,5

150

3

13

3

2

200

2,5

13

2,5

1,5




DIMENSIONS C.I. UNLINED

Ø

B

C

G(UNI)

G(ASA)

20

330

117

105

98

25

330

127

115

108

30

380

146

140

118

40

450

159

150

127

50

470

190

165

152

60

500

217

185

178

75

600

254

200

190

100

710

305

220

229

125

800

356

250

254

150

870

406

285

280

200

1130

520

340

343




DIMENSIONS C.I. EBONITE LINED

Ø

B

C

G(UNI)

G(ASA)

20

330

123

105

98

25

330

133

115

108

30

380

152

140

118

40

450

165

150

127

50

470

196

165

152

60

500

227

185

178

75

600

260

200

190

100

710

313

220

229

125

800

364

250

254

150

870

414

285

280

200

1130

530

340

343




WEIGHT KG

C.I. UNLINED

C.I. EBONITE LINED

7,800

8,000

8,500

8,500

12,400

12,500

14,000

14,500

19,500

20,500

26,000

27,000

34,000

35,000

54,500

55,500

76,000

77,000

94,000

96,000

185,000

187,000

DETAILS

1

WHEEL AND BUSHING

3

SUPPORT

4

HEXAGON NUT

5

WASHER

6

PLUG

7

HEXAGON BOLT

8

DIAPHRAGM

9

GUIDE PIN

10

"V" GASKET

11

HEXAGON NUT

12

VALVE BODY

13

CLAMPING

14

WASHER

15

HEXAGON BOLT

16

HEXAGON NUT

17

WASHER

18

HEXAGON BOLT

19

COVER

20

SPRINGS

21

CYLINDER

22

PISTON, DRIVE PIN, GUIDE PIN

23

"V" GASKET

24

BRONZE NUT

25

WHEEL BUSHING