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           Vacuum angle check valves with CF/KF/LF FlangeÂ
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This series valves are applicable to the vacuum line's start and stop of ultra-high vacuum system. They are two different vacuum block valves; these are manual ones and pneumatic ones. They have many advantages, such as stability, durability, great sealing, and long service life and so on, so they are one of initial optional valves in ultra-high vacuum equipment. Manual valves take manual rotating handle as motivity, and helical transmission to make valves start and stop. The direction of start and stop takes marks on the handles as the standard. Pneumatic valves take compressed air as motivity to make valves start and stop. Valve plates will close automatically depending on spring force when losing air source. Applicable medium can be pure air and non-corrosive gas.                              Â
The order numbers of each product are as follows. Customers can search the numbers according to the operation mode of valves and DN.
Order Example: Â 2089
     High Vacuum Manual Block Straight Valves, DN=16mm, CF flange
 DN
(mm)Order No.
Weight/kg
Manual
Pneumatic
Manual
Pneumatic
16
2089
2297
0.50
0.70
25
2090
2298
1.80
1.70
40
2091
2299
2.20
2.10
50
2092
2300
2.70
3.55
-manual valves: with indication of start and stop's positions
- pneumatic valves: with indication of start and stop's positions(magnet switch)
           Â
Model
DN
Connecting
flangeManual
A
B
C
D
E
F
G
CD-J16B
16
CF16
106
16
40
48
64
40
28
CD-J25B
25
CF25
137
25
55
69
89.5
50
40
CD-J40B
40
CF35
153
35
63
69
97.5
63
40
CD-J50B
50
CF50
192
50
80
92
126
63
40
Â
Â
Â
ModelDN
Connecting
flangePneumatic
A
B
C
D
E
F
G
CDQ-J16B
16
CF16
125
16
40
48
85
113
28
CDQ-J25B
25
CF25
149
25
55
69
111
140
40
CDQ-J40B
40
CF35
167
35
63
69
118
150
40
CDQ-J50B
50
CF50
207
50
80
92
144
210
50
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CF flange are subject to GB/T 6071-2003
Optional Parts: Â Magnet switch.
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Other Relative Vacuum ValvesÂ
Packaging & Delivery
Packaging Details:Â Â Â Inner: plastic bag. Outer: carton or wooden case or according to customers' need.
Delivery Detail:Â Â Â Shipped in 3 days after payment
Our company introductionÂ
Chuanbei Vacuum Technology (Beijing) Co., Ltd.(Registered Brand CBVAC), founded in 2002, is national new-high technology enterprise, the Chinese Vacuum Association key enterprise specialized in vacuum products development, design, production, sales and service. We took the major projects task from MOST, the intelligent digital workshop from NDRC, technology upgrading from MIIT and so on.
 CBVAC posses various series of vacuum valves, vacuum pumps, vacuum bellows, vacuum flange connectors and customized chamber processing, vacuum system integration and other vacuum products. The industry belongs to high-end equipment manufacturing industry. The vacuum products and technologies are widely applied in new energy, new materials, aerospace, semiconductor, IC equipment and other fields, also we design and manufacture products in the vacuum technology application fields from universities and scientific research institutions.
Our product Range :
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