Leybold UHV All-Metal Variable Leak Valve

Leybold UHV All-Metal Variable Leak ValveLeybold UHV All-Metal Variable Leak Valve 2

Specifications

Body/Bellows Material1.4943 (AISI 660) or 1.4404 (AISI 316L)
Valve Disc Seal MaterialDiaphragm 1.4310 (AISI 301), gold-plated
Leak Rate≤1×10⁻¹⁰ mbar x l/s
Bake Temperature≤300℃
Connection FlangeDN 16 CF-R
Molecular Conductance0.05 L/s
Adjustable Gas Flow1×10⁻¹⁰ to 500 mbar·l/s (air, 1 bar, room temperature)
Dead VolumeSeat port 2.7 / side port 1.1 cm³
Pressure RangeUHV to 10 bar (abs)
Test Pressure1 bar
Differential Pressure≤10 bar
Cycles until First Maintenance20 000 cycles
Radiation Resistance10⁸ Gy (10¹⁰ rad)
Turns to Open/Close22
Weight0.94 kg (2.07 lbs)