- Range: 1×10â»â· PA - 1×1.2×10âµ PA
- Cycles Until First Service: 200,000 Times
- Transport Package: Carton
- Origin: China
- Leak Rate: 1.3×10â»â· PA L/S
- Trademark: cbvac
- Specification: Stainless steel / Aluminum
- HS Code: 8481804090

- Â Brief Introduction
- Features
- Designed in a standard and modular way, easy to change and maintain.
- Easy to clean and maintain.
- Equipped with stainless steel bellows and Viton O-rings, no lubrication required.
- The inner body of the valve is welded with stainless steel, resulting in a low leak rate.
- Order Information
Order Example: 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 |
- Major Capacity Targets:
- Application range:1×10-6Pa~1.2×105Pa
- Differential pressure before opening the valve: ≤1.2×105Pa in any direction
- Leak rate of valve body and base: <1.3×10-7Pa·L·s-1
- Cycling number before first repair: 200,000 times
- Baking temperature of valve bodies: Open ≤200ºC; Close ≤150ºC
- Installation position: Any direction
- Power supply: AC 220V 50Hz, 6W or DC 24V, 3W (Cycles until first service)
- Compressed air (only for pneumatic valves): 0.4~0.7MPa
- Speed of closing and opening (only for pneumatic valves): ≤1s
- Indication of valve position
- pneumatic valves: with indication of start and stop's positions (magnet switch)
- Valve weight: Refer to the above table.
- External Dimensions
- Manual
Model | DN | Connecting flange |
Manual | ||||||
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 |
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- Pneumatic
 Model |
DN | Connecting flange |
Pneumatic | ||||||
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 flanges comply with GB/T 6071-2003
Optional Parts: Magnet switch.
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Other Relative Vacuum ValvesÂ

Packaging & Delivery
Packaging Details: Inner: plastic bag. Outer: carton or wooden case or according to customers' needs.
Delivery Detail: Shipped within 3 days after payment
Our Company Introduction
Chuanbei Vacuum Technology (Beijing) Co., Ltd. (Registered Brand CBVAC), established in 2002, is a national high-tech enterprise and a key member of the Chinese Vacuum Association. It specializes in the development, design, production, sales, and service of vacuum products. The company has undertaken major projects from the Ministry of Science
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