UHV Gate Valve from VAT®, Stainless Steel
These stainless steel gate valves from VAT® for UHV up to 10-10 mbar are metallically sealed and bakeable in the valve head.
Only the valve plate is FPM-sealed. The manual drive is handwheel actuated up to DN 50, and crank actuated in DN 63 and larger.
- Pressure ranges:
16-50 CF: 10-10 mbar to 2 bar;
63-200 CF: 10-10 mbar to 1.6 bar;
250 CF: 10-10 mbar to 1.2 bar - Differential opening pressure: < 30 mbar
- Leakage rate: Internal: <10-9 mbar l/s; external: < 5 x 10-10 mbar l/s
- Bakeout rate: Up to 50°/h
- Temperature range: Open: 250 °C; closed: 200 °C; pneumatics: 200 °C
- Cycles to first maintenance: 50,000
- Seals: Valve plate: FPM; head: Metallic; drive: Bellows-sealed
- Without position sender, without control valve
- Options: Position sender, control valve, additional KF ports (e.g. for bypass)