GDQ-J series high-vacuum flap valve
Min.Order Quantity: 1 Set/Sets GDQ-J series high-vacuum flap valve
Supply Ability: 2 Set/Sets per Month GDQ-J series high-vacuum flap valve
Payment Terms: L/C,T/T,
Price: Online consultation
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GDQ-J series high-vacuum flap valve
GDQ-J series high-vacuum flap valve is used for cutting off or connecting gas
flow in the vacuum system.
This valve takes the compressed air as the motive power. It changes the gas circuit
direction through controlling the pneumatic components. It executes the gas cylinder
drive to make flap valve have start-stop motions.
Applicable operating media are air, non-corrosive gas.
Main techinical performance
|
Applicable range (Pa)
|
105～1.3x10-4
|
|
Gas leakage rate (Pa.L/S)
|
≤1.3x10-5
|
|
Medium temperature （℃）
|
-25～+80(Seal material: acrylonitrile butadiene rubber)
|
|
-30～+150(Seal material: fluoro rubber)
|
|
|
Pressure of air supply (MPa)
|
0.4～0.8
|
|
Installation position
|
DN＜300 anyDN≥300 vertical
|
|
Rated voltage
|
Standard manufactured：AC220V/50Hz
|
|
Special designation：AC110V；DC24V；DC12V etc.
|
|
|
Signal feedback device
|
Standard manufactured：no feedback signal
|
|
Speical designation：magnetic switch DC/AC5～240V
|
(Picture one) (KF)Outline dimension and connection size
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Model
|
Nominal diameter (DN)
|
ΦD
|
ΦB
|
H
|
A
|
Flange standard
|
|
GDQ-J10/KF
|
10
|
30
|
12.2
|
180
|
30
|
GB4982
|
|
GDQ-J16/KF
|
16
|
30
|
17.2
|
180
|
40
|
|
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GDQ-J25/KF
|
25
|
40
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26.2
|
200
|
50
|
|
|
GDQ-J40/KF
|
40
|
55
|
41.2
|
210
|
65
|
|
|
GDQ-J50/KF
|
50
|
75
|
52.2
|
276
|
70
|
/
|
(Picture two)Loose flange"s outline dimension and connection size
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Model
|
Nominal diameter (DN)
|
ΦD
|
ΦB
|
H
|
A
|
n-ΦC
|
Flange standard
|
DNy(Pre-pumping port)
|
|
GDQ-J40
|
40
|
100
|
80
|
230
|
70
|
4-Φ9
|
GB/T6070
|
/
|
|
GDQ-J50
|
50
|
110
|
90
|
276
|
70
|
|||
|
GDQ-J63
|
63
|
130
|
110
|
283
|
88
|
|||
|
GDQ-J80
|
80
|
145
|
125
|
324
|
98
|
8-Φ9
|
||
|
GDQ-J100
|
100
|
165
|
145
|
338
|
108
|
|||
|
GDQ-J125
|
125
|
200
|
175
|
424
|
128
|
8-Φ11
|
||
|
GDQ-J（S)150
|
150
|
220
|
195
|
482
|
138
|
JB919
|
KF40(GB4982)
|
|
|
GDQ-J（S)160
|
160
|
225
|
200
|
482
|
138
|
GB/T6070
|
||
|
GDQ-J（S)200
|
200
|
285
|
260
|
620
|
200
|
12-Φ11
|
DN50(GB/T6070)
|
|
|
GDQ-J（S)250
|
250
|
335
|
310
|
655
|
208
|
DN63(GB/T6070)
|
||
|
GDQ-J（S)300
|
300
|
380
|
350
|
783
|
250
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8-Φ14
|
JB919
|
DN80(GB/T6070)
|
|
GDQ-J（S)320
|
320
|
425
|
395
|
1064
|
250
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12-Φ14
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GB/T6070
|
|
|
GDQ-J（S)400
|
400
|
510
|
480
|
1210
|
330
|
16-Φ14
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DN100(GB/T6070)
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|
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GDQ-J（S)400
|
400
|
500
|
465
|
1210
|
330
|
8-Φ18
|
JB919
|
|
|
GDQ-J（S)500
|
500
|
610
|
580
|
1270
|
360
|
16-Φ14
|
GB/T6070
|
DN125(GB/T6070)
|
|
GDQ-J（S)600
|
600
|
710
|
670
|
1562
|
450
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12-Φ21
|
JB919
|
DN160(GB/T6070)
|
|
GDQ-J（S)630
|
630
|
750
|
720
|
1562
|
450
|
20-Φ14
|
GB/T6070
|
|
|
GDQ-J（S)800
|
800
|
920
|
880
|
1865
|
550
|
20-Φ21
|
JB919
|
DN200(GB/T6070)
|
Note：Among which above DN400 the bases are using blind flangesn-Mb.
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