- Operating Range: 1×10â»â· Pa to 1.2×10âµ Pa
- Cycles Until First Maintenance: 200,000 Cycles
- Shipping Package: Carton
- Origin: China
- Leak Rate: 1.3×10â»â· Pa·L/s
- Trademark: CBVAC
- Material Specification: Stainless Steel / Aluminum
- HS Code: 8481804090

- Â Brief Introduction
- Features
- Designed in a standardized and modular way, easy to replace and maintain.
- Easy to clean and maintain.
- Equipped with stainless steel bellows and Viton O-rings, no lubrication required.
- The internal body of the valve is welded with stainless steel, resulting in low leakage rate.
- Order Information
Example: 2089
     High Vacuum Manual Block Straight Valve, 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 Performance Parameters:
- Application Range:1×10â»â¶ Pa to 1.2×10âµ Pa
- Differential Pressure Before Opening:≤1.2×10ⵠPa in any direction
- Leak Rate of Valve Body and Base:<1.3×10â»â· Pa·L/s
- Cycles Until First Repair:200,000 cycles
- Baking Temperature of Valve Bodies:Open ≤200°C; Close ≤150°C
- Installation Position:Any direction
- Power Supply:AC 220V 50Hz, 6W or DC 24V, 3W (for pneumatic valves only)
- Compressed Air (for pneumatic valves only):0.4~0.7 MPa
- Opening and Closing Speed (pneumatic valves only):≤1 second
- Valve Position Indication:
- Pneumatic Valves: Indication of open and closed positions (magnet switch)
- Valve Weight: Refer to the table above.
- 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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Packaging & Delivery
Packaging Details:Â Â Â Inner: plastic bag. Outer: carton or wooden case or according to customers' needs.
Delivery Detail:Â Â Â Shipped within 3 days after payment
Our Company IntroductionÂ
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 and Technology (MOST), the intelligent digital workshop from the National Development and Reform Commission (NDRC), and technology upgrades from the Ministry of Industry and Information Technology (MIIT).
CBVAC offers various series of vacuum valves, vacuum pumps, vacuum bellows, vacuum flange connectors, custom chamber processing, and vacuum system integration. Our industry belongs to the high-end equipment manufacturing sector. Vacuum products and technologies are widely applied in new energy, new materials, aerospace, semiconductors, IC equipment, and other fields. We also design and manufacture products for vacuum technology applications in universities and research institutions.
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