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Parts Name
Valve Body, Valve Plate
Valve Shaft, Sealing Seat
butterfly plate sealing ring
Material
Q235-A, F steel sheet
2Cr13, 1Cr18Ni9Ti
Three yuan ethylene rubber, Fluoro rubber
Applicability
105~1.3×10-4Pa
Valve Leak Rate
≤1.3×10-4Pa·L/S
Applicable Temperature
-25~+80°C (Nitrile Butadiene Rubber)
-30~+150°C (Fluoro Rubber)
Mains Voltage
0.4~0.6MPa
Mounting Direction
Optional
Valve body, valve cover, valve rod: Carbon steel or stainless steel
Sealing parts: Nitrile butadiene rubber, fluoro rubber
Shape and Connection Size (mm)
Model
DN
D
Do
D1
B
H
B1
L
n-φc
GID-40
40
85
70
44
22
162
90
104
4-φ7
GID-50
50
110
90
55
22
175
90
104
4-φ7
GID-65
65
125
105
70
26
198
102
140
4-φ9
GID-80
80
145
125
85
30
208
102
140
4-φ9
GID-100
100
170
145
105
30
220
102
140
4-φ12
GID-150
150
220
195
156
35
272
115
164
8-φ12
GID-200
200
275
250
208
40
330
205
190
8-φ12
GID-250
250
330
300
258
45
335
205
190
8-φ14
GID-300
300
380
350
308
55
426
152
247
8-φ14
GID-400
400
500
465
410
60
520
180
308
8-φ18
GID-500
500
600
565
510
80
643
220
378
12-φ18
GID-600
600
710
670
610
100
760
270
524
12-φ21
GID-800
800
920
815
815
130
962
320
648
20-φ21
GID-1200
1200
1440
1280
1280
150
1360
385
1480
36-φ19
**Product Specifications**
Model NO.: GID
Valve Body: Sheet Metal
Application: Industrial Usage
Trademark: OEM
Transport Package: Wood Case
Origin: China
The GID electric high vacuum butterfly valve is designed for use in non-corrosive saturated steam and low-vacuum pipelines, serving as a reliable shut-off device. The valve features a sealing butterfly mechanism with dual shaft seals that ensure no leakage under 0.25MPa pressure. It follows the structure of the NKD941X-25C double-seat type, where the seat and shaft are narrowed and sealed using rubber under water pressure (0.25MPa). An electric heating assembly can be optionally installed on the valve body if needed.