GS7

Often a valve is required which under normal conditions is closed and perfectly tigh but, if necessary, it could be opened remote control: pinch valve G.S.7 meets these requirements since it features the automatic spring closing system and double control (handwheel and hydropneumatic cylinder) for the opening system.


DETAILS |
|
---|---|
1 |
WHEEL AND BUSHING |
2 |
SUPPORTING RING |
3 |
GUIDE PIN |
4 |
HEXAGON NUT |
5 |
WASHER |
6 |
UPPER PLUG |
7 |
TIE ROD |
8 |
RUBBER SLEEVE |
9 |
SMALL "V" GASKET |
10 |
RUBBER TUBE |
11 |
RETURN BUSHING BRONZE |
12 |
VALVE BODY |
13 |
HEXAGON NUT |
14 |
WASHER |
15 |
HEXAGON BOLT |
16 |
HEXAGON NUT |
17 |
WASHER |
18 |
HEXAGON BOLT |
19 |
COVER |
20 |
SPRINGS |
21 |
CYLINDER AND SUPPORT |
22 |
PISTON PIN AND LEAD SKREW |
23 |
"V" GASKET |
24 |
LOWER PLUG |
25 |
CLAMPING SCREW FOR BUSHING |
26 |
WASHER |
27 |
CLAMPING |
PRESSURE DETAILS UNI_1284 |
DN |
P.N. |
HYDRAULIC TEST Kg/cm2 |
WORKING PRESSURE Kg/cm2 |
---|---|---|---|---|
OPEN |
CLOSED |
|||
20 |
4,5 |
10 |
4,5 |
4 |
25 |
4,5 |
10 |
4,5 |
4 |
30 |
4,5 |
10 |
4,5 |
4 |
40 |
4,5 |
10 |
4,5 |
4 |
50 |
4,5 |
10 |
4,5 |
4 |
60 |
4 |
10 |
4 |
3 |
70 |
4 |
10 |
4 |
3 |
80 |
3,5 |
10 |
3,5 |
3 |
AIR
PRESSURE REQUIRED KG/CM2 (MODEL GS7) |
||||||||
---|---|---|---|---|---|---|---|---|
DN |
20 |
25 |
30 |
40 |
50 |
60 |
70 |
80 |
MIN. |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
MAX. |
6 |
6 |
6 |
5 |
5 |
5 |
5 |
5 |
AIR
PRESSURE REQUIRED KG/CM2 (MODEL GS7A) |
||||||||
---|---|---|---|---|---|---|---|---|
DN |
100 |
125 |
150 |
175 |
200 |
|||
MIN. |
4 |
4 |
4 |
4 |
4 |
|||
MAX. |
6 |
6 |
6 |
6 |
6 |
DIMENSIONS |
|||||
---|---|---|---|---|---|
Ø |
A |
B |
G |
H |
I |
20 |
355 |
302,5 |
107 |
95 |
58 |
25 |
440 |
382,5 |
118 |
106 |
68 |
30 |
450 |
380 |
130 |
115 |
78 |
40 |
535 |
460 |
154 |
140 |
88 |
50 |
565 |
482,5 |
176 |
160 |
102 |
60 |
600 |
507,5 |
194 |
180 |
130 |
70 |
670 |
577,5 |
206 |
190 |
137 |
80 |
720 |
620 |
215 |
196 |
148 |
100 |
850 |
740 |
275 |
260 |
158 |
125 |
1000 |
875 |
300 |
280 |
198 |
150 |
1200 |
1058 |
330 |
300 |
222 |
200 |
1500 |
1330 |
375 |
350 |
298 |
WEIGHT KG |
|
---|---|
ALLUMINIUM |
C.I. |
4,000 |
5,2000 |
6,500 |
8,000 |
8,000 |
11,000 |
11,500 |
15,000 |
14,000 |
19,000 |
18,000 |
25,000 |
22,000 |
28,000 |
25,000 |
33,000 |
32,000 |
38,000 |
45,000 |
54,000 |
54,000 |
66,000 |
81,000 |
95,000 |


DETAILS |
|
---|---|
1 |
WHEEL AND BUSHING |
2 |
SUPPORTING RING |
3 |
GUIDE PIN |
4 |
HEXAGON NUT |
5 |
WASHER |
6 |
UPPER PLUG |
7 |
TIE ROD |
8 |
RUBBER SLEEVE |
9 |
SMALL "V" GASKET |
10 |
RUBBER TUBE |
11 |
RETURN BUSHING BRONZE |
12 |
VALVE BODY |
13 |
HEXAGON NUT |
14 |
WASHER |
15 |
HEXAGON BOLT |
16 |
HEXAGON NUT |
17 |
WASHER |
18 |
HEXAGON BOLT |
19 |
COVER |
20 |
SPRINGS |
21 |
CYLINDER AND SUPPORT |
22 |
PISTON PIN AND LEAD SKREW |
23 |
"V" GASKET |
24 |
LOWER PLUG |
25 |
CLAMPING SCREW FOR BUSHING |
26 |
WASHER |
27 |
CLAMPING |