This valve is used in vacuum system to cut off or turn on airflow. Medium, connecting ideal accessories more lithium bromide refrigeration equipment in welded pipe.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.
Body: carbon steel, stainless steel
Diaphragm: NBR, fluorine rubber
Stem: stainless steel
Applicable temperature: NBR -25~100 C FKM? -30~150 C
Applicable medium: air and non corrosive gas
Scope of application: 10-4 * 105~1.3
Leakage rate: 6.7 * 10-4
Lining layer: electric spark detection
Test and inspection according to GB/T13297 standard
Nominal pressure: PN (Mpa)
Body: PN * 1.5
Seal: PN * 1.1
I type connecting pipe welding (Figure 1)：
|
Model
|
DN
|
D
|
H
|
A
|
L
|
L1
|
|
GM-10C-H（I）
|
10
|
19
|
80
|
55
|
240
|
120
|
|
GM-25C-H（I）
|
25
|
32
|
105
|
80
|
240
|
120
|
|
GM-40C-H
|
40
|
45
|
133
|
100
|
240
|
120
|
|
GM-50C-H
|
50
|
57
|
157
|
100
|
240
|
120
|
|
GM-10D-H（I）
|
10
|
19
|
77．5
|
50
|
150
|
150
|
|
GM-25D-H（I）
|
25
|
32
|
105
|
60
|
75
|
75
|
II type connecting pipe welding (Figure 2)：
|
Model
|
DN
|
D
|
H
|
A
|
L
|
L1
|
|
GM-10C-H（II）
|
10
|
19
|
80
|
55
|
195
|
120
|
|
GM-25C-H（II）
|
25
|
32
|
105
|
80
|
236
|
120
|
|
GM-10D-H（II）
|
10
|
19
|
77．5
|
50
|
150
|
75
|
|
GM-25D-H（II）
|
25
|
32
|
105
|
66
|
175
|
75
|
III type connecting pipe welding (Figure 3)：
|
Model
|
DN
|
D
|
H
|
A
|
L
|
L1
|
|
GM-10C-KF
|
10
|
30
|
12．2
|
80
|
55
|
75
|
|
GM-25C-KF
|
25
|
40
|
26．2
|
105
|
80
|
120
|
|
GM-40C-KF
|
40
|
50
|
41．2
|
133
|
100
|
120
|
IIII type connecting pipe welding (Figure 4)：
|
Model
|
DN
|
D
|
H
|
A
|
L
|
L1
|
n-φc
|
|
GM-10C
|
10
|
46
|
36
|
80
|
55
|
75
|
4-φ6
|
|
GM-25C
|
25
|
70
|
55
|
105
|
80
|
120
|
4-φ7
|
|
GM-40C
|
40
|
100
|
80
|
133
|
100
|
150
|
4-φ9
|
|
GM-50C
|
50
|
110
|
90
|
157
|
100
|
180
|
4-φ9
|
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