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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,


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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)
1051.3x10-4
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)
0.40.8
Installation position
DN300 anyDN≥300 vertical
Rated voltage
Standard manufacturedAC220V/50Hz
Special designationAC110VDC24VDC12V etc.
Signal feedback device
Standard manufacturedno feedback signal
Speical designationmagnetic switch DC/AC5240V

 

图片1.png

 

(Picture one) (KF)Outline dimension and connection size
 

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
GDQ-J25/KF
25
40
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

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-JS)150
150
220
195
482
138
JB919
KF40(GB4982)
GDQ-JS)160
160
225
200
482
138
GB/T6070
GDQ-JS)200
200
285
260
620
200
12-Φ11
DN50(GB/T6070)
GDQ-JS)250
250
335
310
655
208
DN63(GB/T6070)
GDQ-JS)300
300
380
350
783
250
8-Φ14
JB919
DN80(GB/T6070)
GDQ-JS)320
320
425
395
1064
250
12-Φ14
GB/T6070
GDQ-JS)400
400
510
480
1210
330
16-Φ14
DN100(GB/T6070)
GDQ-JS)400
400
500
465
1210
330
8-Φ18
JB919
GDQ-JS)500
500
610
580
1270
360
16-Φ14
GB/T6070
DN125(GB/T6070)
GDQ-JS)600
600
710
670
1562
450
12-Φ21
JB919
DN160(GB/T6070)
GDQ-JS)630
630
750
720
1562
450
20-Φ14
GB/T6070
GDQ-JS)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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