Reliable and Cost-Effective Components for HV and UHV Applications
TFM offers reliable and economical general-purpose components specifically designed for high vacuum (HV) and ultra-high vacuum (UHV) applications, where cleanliness and corrosion resistance are paramount.
Performance in the Open Position
When in the open position, the edge-welded bellows and valve seat effectively move out of the gas path, facilitating high conductance. This design minimizes resistance and enhances gas flow, which is critical for maintaining vacuum integrity.
Key Features
- Sealing Technology: Our valves come equipped with fluorocarbon O-ring seat seals, bellows-sealed shafts, and bonnet seals. For enhanced temperature bakeout capabilities and improved ultimate vacuum, consider selecting copper seals.
- Ease of Maintenance: Regular maintenance can be performed without removing the valve body from the system, allowing for minimal disruption and downtime.
Pneumatic Model Specifications
- Actuation Types: Pneumatic models feature a spring-to-close operation for valves measuring 2 inches or smaller, while valves that are 2-1/2 inches and larger utilize an air-to-open, air-to-close mechanism.
- Solenoid Requirement: These pneumatic models require a solenoid for operation, which is sold separately (please refer to accessories for details).
TFM’s bellows sealed angle valves are ideal for ensuring reliable operation and optimal performance in demanding vacuum environments, making them a smart choice for any HV or UHV application.
Specifications Table
| Manufacturer | TFM |
|---|---|
| Pressure | Torr 7.520 x 10-9 Torr mbar 1.000 x 10-8 mbar |
| Rates | Leak Rate 2.000 x 10-9 mbar*L/s 1.504 x 10-9 Torr*L/s |
| Temperature | Actuator 80.0 ºC 176 ºFClosed Bake 100 ºC 212 ºFOpen Bake 100 ºC 212 ºF |
| Actuator Type | Pneumatic Single Acting |
| Solenoid Kit Included | No |
| Position Indicators | No |
| Bonnet Seal Type | Fluorocarbon (FKM) |
| Valve Body Material | 304L SS |
| Poppet Material | Fluorocarbon (FKM) |
| Shaft Seal | Welded Bellows |
Ordering Table
| Drawing | Flange Size | Bonnet Seal Type | Solenoid Kit Included | Part Number |
| KF16 (1.18" OD) | Fluorocarbon (FKM) | No | SA0075PVQF |
| KF25 (1.57" OD) | Fluorocarbon (FKM) | No | SA0100PVQF |
| KF40 (2.16" OD) | Fluorocarbon (FKM) | No | SA0150PVQF |
| KF50 (2.95" OD) | Fluorocarbon (FKM) | No | SA0200PVQ |
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