GS54 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 and with a ring nut for regulating opening.

DETAILS

1

WHEEL AND BUSHING

2

RUBBER TUBE

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, PIN AND LEAD SCREW

23

"V" GASKET

24

HEXAGON NUT

25

REGOLATOR WHEEL

26

BUSHING

27

WHEEL

28

WITH

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

4,5

3

60

4

15

4,5

3

75

4

15

4,5

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




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




DIMENSIONS C.I. UNLINED

Ø

B

C

G(UNI)

G(ASA)

20

360

117

105

98

25

360

127

115

108

30

410

146

140

118

40

450

159

150

127

50

520

190

165

152

60

590

217

185

178

75

620

254

200

190

100

780

305

220

229

125

960

356

250

254

150

990

406

285

280

200

1300

520

340

343




DIMENSIONS C.I. EBONITE LINED

Ø

B

C

G(UNI)

G(ASA)

20

360

123

105

98

25

360

133

115

108

30

410

152

140

118

40

450

165

150

127

50

520

196

165

152

60

590

227

185

178

75

620

260

200

190

100

780

313

220

229

125

960

364

250

254

150

990

414

285

280

200

1300

530

340

343




WEIGHT KG

C.I. UNLINED

C.I. EBONITE LINED

8,400

8,500

8,700

8,800

12,700

12,800

14,300

14,800

20,000

21,000

26,600

27,600

34,800

35,800

55,500

58,500

77,000

78,000

95,300

97,300

187,000

189,000

DETAILS

1

WHEEL AND BUSHING

2

RUBBER TUBE

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, PIN AND LEAD SCREW

23

"V" GASKET

24

HEXAGON NUT

25

REGOLATOR WHEEL

26

BUSHING

27

WHEEL

28

WITH






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