Description: GM High vacuum diaphragm valve use valve rod to press rubber film directly on the valve seat, use to cut-off or connect Vacuum system.
Product info
GM High vacuum diaphragm valve use valve rod to press rubber film directly on the valve seat, use to cut-off or connect Vacuum system. Connection form as: Lap joint flange connection, fast unload flange connection, weld type connection. Weld type connection is divided into weld I type connection(both end weld), weld II type connection(one end weld, another end insert). Applicable medium can be air and noncorrosive gases.
Specifications
Main Technical Performance
|
applicable scope(Pa) |
105～1.3x10-4 |
|
valve leak rate(Pa.L/S) |
≤1.3x10-4 |
|
medium temperature（℃） |
-25～+80(sealing material is chemigum) |
|
installation site |
willfully |
|
model |
diameter(DN) |
ΦD |
ΦB |
ΦW |
H |
L |
n-ΦC |
Flange standard |
|
GM-10 |
10 |
46 |
36 |
55 |
75 |
75 |
4-Φ6 |
JB919 |
|
GM-25 |
25 |
70 |
55 |
90 |
115 |
120 |
4-Φ7 |
GB/T6070 |
|
GM-40 |
40 |
100 |
80 |
100 |
132 |
150 |
4-Φ9 |
|
|
GM-50 |
50 |
110 |
90 |
100 |
157 |
180 |
4-Φ9 |
|
model |
diameter(DN) |
ΦD |
ΦB |
ΦW |
H |
L |
Flange standard |
|
GM-10/KF |
10 |
30 |
12.2 |
55 |
75 |
75 |
GB4892 |
|
GM-25/KF |
25 |
40 |
26.2 |
90 |
115 |
100 |
|
|
GM-40/KF |
40 |
55 |
41.2 |
100 |
132 |
150 |
|
|
GM-50/KF |
50 |
75 |
52.2 |
100 |
157 |
180 |
/ |
weld type connection and overall Dimensions
|
model |
diameter(DN) |
ΦD |
ΦW |
H |
L |
|
GM-10-H(Ⅰ) |
10 |
19 |
55 |
75 |
150 |
|
GM-25H(Ⅰ) |
25 |
32 |
90 |
115 |
200 |
|
GM-40H(Ⅰ) |
40 |
45 |
100 |
132 |
240 |
|
GM-50H(Ⅰ) |
50 |
57 |
100 |
157 |
240 |
|
GM-10H(Ⅱ) |
10 |
9 |
55 |
75 |
150 |
|
GM-25H(Ⅱ) |
25 |
19 |
90 |
115 |
200 |
