Reliable and Economical Components for HV and UHV Applications
These general-purpose components are designed to deliver reliability and cost-effectiveness in high-vacuum (HV) and ultra-high vacuum (UHV) applications. They ensure cleanliness and corrosion resistance, making them ideal for demanding environments.
Key Features
- High Conductance: When in the open position, the edge-welded bellows and valve seat move out of the gas path, enhancing conductance.
- Leak Rate: Exceptional leak tightness with a rate of 2×10⁻⁹ mbar L/s, ensuring a secure seal.
- Pressure Range: Handles a wide pressure range, from a minimum of 1×10⁻⁹ Torr to a maximum of atmospheric pressure.
- Seal Options: Features fluorocarbon o-ring seat seals, bellows-sealed shafts, and bonnet seals. Copper seals are available for higher temperature bakeouts and achieving better ultimate vacuum levels.
- Actuation Options: Available with either manual or pneumatic actuation for versatile operation.
- Ease of Maintenance: Routine repairs can be carried out without removing the valve body from the system, minimizing downtime.
These components provide a perfect balance of performance and convenience for HV and UHV applications.
Specifications Table
| Manufacturer | TFM |
|---|---|
| Pressure | Torr Min: 1.000 x 10-9 Torr Max: 760 Torrmbar 1.330 x 10-9 mbar atm 1.00 atm |
| Rates | Helium Leak Rate 2.000 x 10-9 mbar*L/s 1.500 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 | Manual |
| Bonnet Seal Type | Viton |
| Valve Body Material | 304L SS |
| Valve Seal Material | Viton |
| Shaft Seal | Bellows |
Ordering Table
| Drawing | Flange Size | Bonnet Seal Type | Part Number |
| ISO63-K (3.74" OD) | Viton | SY0250MVIK |
| ISO80-K (4.33" OD) | Viton | SY0300MVIK |
| ISO100-K (5.12" OD) | Viton | SY0400MVIK |
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