KF/CF/LF Stainless Steel High Vacuum Angle Valve
- Operating Range: 1×10â»â· PA to 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
Brief Introduction
This series of valves is designed for the start and stop functions in ultra-high vacuum systems. They are two types of vacuum block valves: manual and pneumatic. These valves offer excellent stability, durability, strong sealing performance, and a long service life, making them a preferred choice in ultra-high vacuum equipment. Manual valves use a rotating handle as the actuation mechanism, with helical transmission to open or close the valve. The direction of operation is indicated on the handle. Pneumatic valves use compressed air for actuation, and the valve plates automatically close due to spring force when the air supply is lost. These valves are suitable for pure air and non-corrosive gases.
Features
- Designed in a standard and modular way, easy to install 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
The order numbers for each product are as follows. Customers can select based on the valve type and DN size.
Example Order: 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 |
Main Performance Parameters
- Application Range: 1×10â»â¶ Pa to 1.2×10âµ Pa
- Pressure Difference Before Opening: ≤1.2×10ⵠPa in any direction
- Leak Rate of Body and Base: <1.3×10â»â· Pa·L/s
- Cycle Life Before First Maintenance: 200,000 times
- Baking Temperature of Valve Body: Open ≤200°C; Close ≤150°C
- Installation Position: Any direction
- Power Supply: AC 220V 50Hz, 6W or DC 24V, 3W (for manual valves only)
- Compressed Air (for Pneumatic Valves): 0.4–0.7 MPa
- Opening/Closing Speed (Pneumatic Only): ≤1s
- Valve Position Indication:
- Manual Valves: Indication of open/close positions
- Pneumatic Valves: Indication of open/close positions (with magnet switch)
Valve Weight
Refer to the table above for weight details.
External Dimensions
Manual Valves
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 |
Pneumatic Valves
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 |
CF flanges comply with GB/T 6071-2003.
Optional Parts: Magnet Switch
Other Related Vacuum Valves
Packaging & Delivery
Packaging Details: Inner: Plastic Bag. Outer: Carton or Wooden Case, as per customer requirements.
Delivery Detail: Shipped within 3 days after payment.
About Our Company
Chuanbei Vacuum Technology (Beijing) Co., Ltd. (Registered Brand: CBVAC), established in 2002, is a national high-tech enterprise. It is a key member of the Chinese Vacuum Association, specializing in the development, design, production, sales, and service of vacuum products. The company has undertaken major projects from MOST, the intelligent digital workshop from NDRC, and technology upgrades from MIIT.
CBVAC offers various series of vacuum valves, vacuum pumps, vacuum bellows, vacuum flange connectors, customized chamber processing, vacuum system integration, and other vacuum products. These technologies are widely applied in fields such as new energy, new materials, aerospace, semiconductors, IC equipment, and more. We also design and manufacture products for universities and research institutions in the field of vacuum technology.
Our Product Range

CNC Aluminium Products
Aluminum Profile,Aluminum Extrusion Cnc,Aluminum Machined Parts,Cnc Aluminum Profile
Guangdong Guangyuan Aluminum Co.,LTD , https://www.guangyuan-alum.com