Category:
GM series
High Vacuum Diaphragm Valve
GM series high vacuum diaphragm valve uses the valve stem to directly press the rubber mold on the valve seat to cut off or connect the vacuum system. The connection forms include looper flange connection, quick release flange connection and welding connection. The welded connection is divided into welded type I connection (that is, two ends connected), and welded type II connection (that is, one end is welded and the other end is inserted). The applicable working medium of the valve is air and non-corrosive gas.
Product Consultation- Technical Parameters
- Dimensions
- Electronic sample download
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- Commodity name: High Vacuum Diaphragm Valve
- Commodity ID: G-001
- 型号: GM series
GM series high vacuum diaphragm valve uses the valve stem to directly press the rubber mold on the valve seat to cut off or connect the vacuum system. The connection forms include looper flange connection, quick release flange connection and welding connection. The welded connection is divided into welded type I connection (that is, two ends connected), and welded type II connection (that is, one end is welded and the other end is inserted). The applicable working medium of the valve is air and non-corrosive gas.
- Applicable range (Pa)105~1.3×10-4
- Valve leakage rate (Pa.L/S)≤1.3×10-4
- Medium temperature (°C) -25~+80 (the sealing material is NBR) -30~+150 (the sealing material is fluororubber)
- Installation position any
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(Figure 1) Loop flange connection and dimensions
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
(Figure 2) Quick release flange (KF) connection and dimensions
model
diameter(DN）
ΦD
ΦB
ΦW
H
L
Flange standard GM-10/KF
10
30
12.2
55
75
75
GB4982
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
/
(Figure 3) Welded connection and dimensions
model
diameter (DN) ΦD
ΦW
H
L
GM-10-H(I)
10
19
55
75
150
GM-25-H(I)
25
32
90
115
200
GM-40-H(I)
40
45
100
132
240
GM-50-H(I)
50
57
100
157
240
GM-10-H(II)
10
9
55
75
150
GM-25-H(II)
25
19
90
115
200
Note: Type I is welded at both ends
One end is welded and the other end is inserted
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File size: 273.9KB
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