GS21
The pinch valve mod. GS 21, consists of a cast iron or aluminium body (two pieces) and of a natural or synthetic rubber sleeve, resistant to fluid flow (acids – alkaline fluids – dusts – concrete – sewage and industrial waters – muds).
Closing is performed by pressing a screw on a buffer, which squeezes sleeve to a complete or partial closing.
This valve is special since no stuffing box and load loss appear.
One-piece printed rubber sleeve includes two terminal flanges used as coupling gaskets.
|
DETAILS |
|
|---|---|
|
1 |
WHEEL |
|
2 |
LEAD SCREW |
|
3 |
WASHER |
|
4 |
HEXAGON NUT |
|
5 |
WASHER |
|
6 |
PLUG |
|
7 |
TIE ROD |
|
8 |
SLEEVE |
|
9 |
SOCKET |
|
10 |
VALVE LOWER BODY |
|
11 |
GASKET |
|
12 |
VALVE UPPER BODY |
|
13 |
HEXAGON NUT |
|
14 |
WASHER |
|
15 |
HEXAGON BOLT |
|
16 |
SCREW SOCKET |
|
17 |
BRONZE NUT |
|
18 |
WASHER |
|
19 |
CLAMPING SCREW FOR BUSHING |
|
PRESSURE DETAILS UNI_1284 |
DN |
P.N. |
HYDRAULIC TEST Kg/cm2 |
WORKING PRESSURE Kg/cm2 |
|---|---|---|---|---|
|
OPEN |
CLOSED |
|||
|
20 |
5 |
10 |
5 |
4 |
|
25 |
5 |
10 |
5 |
4 |
|
30 |
5 |
10 |
5 |
4 |
|
40 |
5 |
10 |
5 |
4 |
|
50 |
5 |
10 |
5 |
4 |
|
80 |
5 |
10 |
5 |
4 |
|
100 |
5 |
10 |
4 |
3 |
|
DIMENSIONS |
UNI PN10 |
ASA 150 |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Ø |
A |
B |
G |
H |
L |
M |
N |
O |
L |
M |
N |
O |
|
20 |
185 |
110 |
140 |
14 |
105 |
75 |
4 |
14 |
98 |
70 |
4 |
16 |
|
25 |
199 |
130 |
150 |
14 |
115 |
85 |
4 |
14 |
108 |
80 |
4 |
16 |
|
30 |
235 |
130 |
170 |
16 |
140 |
100 |
4 |
18 |
118 |
90 |
4 |
16 |
|
40 |
267 |
175 |
190 |
18 |
150 |
110 |
4 |
18 |
127 |
98 |
4 |
16 |
|
50 |
292 |
175 |
220 |
21 |
165 |
125 |
4 |
18 |
152 |
120 |
4 |
19 |
|
80 |
350 |
210 |
300 |
22 |
200 |
160 |
4 |
18 |
190 |
152 |
4 |
19 |
|
100 |
425 |
255 |
340 |
22 |
220 |
180 |
8 |
18 |
229 |
190 |
8 |
19 |
|
150 |
601 |
370 |
470 |
24 |
285 |
240 |
8 |
22 |
280 |
241 |
8 |
22 |
|
WEIGHT KG |
|---|
|
ALLUMINIUM |
|
2,100 |
|
2,380 |
|
3,800 |
|
5,480 |
|
6,900 |
|
13,500 |
|
19,900 |
|
37,000 |
|
DETAILS |
|
|---|---|
|
1 |
WHEEL |
|
2 |
LEAD SCREW |
|
3 |
WASHER |
|
4 |
HEXAGON NUT |
|
5 |
WASHER |
|
6 |
PLUG |
|
7 |
TIE ROD |
|
8 |
SLEEVE |
|
9 |
SOCKET |
|
10 |
VALVE LOWER BODY |
|
11 |
GASKET |
|
12 |
VALVE UPPER BODY |
|
13 |
HEXAGON NUT |
|
14 |
WASHER |
|
15 |
HEXAGON BOLT |
|
16 |
SCREW SOCKET |
|
17 |
BRONZE NUT |
|
18 |
WASHER |
|
19 |
CLAMPING SCREW FOR BUSHING |
