Category:
GD-J series
High vacuum flapper valve
GD-J (b) series manual high-vacuum flapper valve is one of the important components in the vacuum system. The transmission part of the valve adopts a threaded structure, and the valve plate is opened and closed by manual rotation of the handwheel. Applicable media are air and non-corrosive gases.
Product Consultation- Technical Parameters
- Dimensions
- Electronic sample download
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- Commodity name: High vacuum flapper valve
- Commodity ID: B-008
- 型号: GD-J series
GD-J (b) series manual high-vacuum flapper valve is one of the important components in the vacuum system. The transmission part of the valve adopts a threaded structure, and the valve plate is opened and closed by manual rotation of the handwheel. Applicable media are air and non-corrosive gases.
- Applicable range (Pa) 105~1.3X10-4 105~1.3×10-6 (shaft seal material is bellows)
- Valve leakage rate (Pa.L/S)≤1.3×10-5 (shaft seal material is rubber) ≤1.3×10-6 (shaft seal material is bellows)
- Medium temperature (°C) -25~+80 (the sealing material is NBR) -30~+150 (the sealing material is fluororubber)
- Main parts of the valve are made of stainless steel or carbon steel
- Any installation position
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(Figure 1) (KF) connection and dimensions
modle
diameter (DN) ΦD
ΦB
H
A
Φw
Flange standard GD-J10/KF
10
30
12.2
122
30
36
GB4982
GD-J16/KF
16
30
17.2
132
40
36
GD-J25/KF
25
40
26.2
158
50
50
GD-J40/KF
40
55
41.2
180
65
56
GD-J50/KF
50
75
52.2
278
70
100
/
(Picture 2) Loop flange connection and dimensions
modle
diameter (DN) ΦD
ΦB
H
A
Φw
n-ΦC
DNy (pre-extraction）
Flange standard
GD-J40
40
100
80
180
70
56
4-Φ9
/
GB/T6070
GD-J50
50
110
90
305
70
100
GD-J63
63
130
110
348
88
125
GD-J80
80
145
125
414
98
160
8-Φ9
GD-J100
100
165
145
430
108
GD-J125
125
200
175
516
128
8-Φ11
GD-J(S)150
150
220
195
550
138
200
KF40(GB4982)
JB919
GD-J(S)160
160
225
200
550
138
GB/T6070
GD-J(S)200
200
285
260
678
200
12-Φ11
KF50(GB/T6070)
GD-J(S)250
250
335
310
745
208
250
KF63GB/T6070)
GD-J(S)300
300
380
350
822
250
8-Φ14
KF80(GB/T6070)
JB919
GD-J(S)400
400
510
480
1180
330
400
16-Φ14
KF100(GB/T6070)
GB/T6070
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File size: 367.0KB
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