Plate

304 S.S.

Shaft

304 S.S.

Gate seal

Viton

Shaft seal

Viton

Cycles life

100,000

Helium leak rate at 1 atm differential

mbar．l/sec

< 1 x 10^-9

Mounting orientation

Any

Pressure range in either direction

 1×10^-8 mbar to 1.2 bar

Differential pressure △p in either direction

 ≤ 1.2 bar

Maximum differential pressure

during opening

< 1.2 bar