B2 - Schoonover, Inc.

Vacuum Valves
Ball Valves
Ball Valves
♦ Rugged and cost effective
♦ Simple opening and closing by lever
♦ High conductance
♦ Unobstructed passage
Technical Data
Vacuum connection DN 10 ISO-KF DN 16 ISO-KF DN 25 ISO-KF DN 40 ISO-KF
Ordering Information
215-860 215-861 215-862 215-863
Tightness mbar l/s 1 x 10 -6 1 x 10 -6 1 x 10 -6 1 x 10 -6
Conductance for molecular flow l/s 60 130 350 550
Pressure absolute min. / max. mbar / bar 10 -5 / 5 1) 10 -5 / 5 1) 10 -5 / 5 1) 10 -5 / 5 1)
Bakeout temperature
Housing, lever ¡C 80 80 80 80
Housing brass brass brass brass
nickel plated nickel-plated nickel-plated nickel-plated
Seal PTFE PTFE PTFE PTFE
Weight kg 0.35 0.4 0.75 2.6
1) With outer centering ring and clamping element or chain clamp
DN A B C
DN 10 ISO-KF 75 80 68
DN 16 ISO-KF 100 80 70
DN 25 ISO-KF 130 110 83
DN 40 ISO-KF 160 138 120
B8.34