B2 - Schoonover, Inc.

Vacuum Valves
Angle Valves
DN 250 - 1000
♦ High conductance
♦ Electrical position indicators
DN 250 – 630
♦ With bellows feedthrough
DN 800 and 1000
♦ With elastomer shaft feedthrough
Pneumatically Actuated
Vacuum connection DN 250 ISO-K DN 320 ISO-K DN 400 ISO-K
Conductance for molecular flow l/s 2 700 5 100 7 700
Type VAP250-X VAP320-X VAP400-X
Ordering Information
Valve without coil 250-800 250-805 250-810
Coil
230 V, 50 Hz 215-804 215-804 215-804
115 V, 60 Hz 215-809 215-809 215-809
24 V, 50 Hz 215-814 215-814 215-814
24 V DC 215-819 215-819 215-819
Service life cycles 1 000 000 1 000 000 800 000
Tightness mbar l/s 1 x 10 -9 1 x 10 -9 1 x 10 -9
Pressure min. / max. mbar / bar 10 -7 / 2 10 -7 / 2 10 -7 / 2
Differential pressure in either direction bar 1 1 1
Opening / closing time s 6 / 6 7 / 7 8 / 8
Compressed air, overpressure bar 4 Ð 8 4 Ð 8 4 Ð 8
Compressed air
cylinder volume cm 3 2 100 2 700 3 300
Bakeout temperature
Housing ¡C 120 120 120
Actuator ¡C 60 60 60
Housing stainless steel stainless steel stainless steel
Valve plate stainless steel stainless steel stainless steel
Seal FPM FPM FPM
Weight kg 66 128 148
Spare parts
Seal set 215-375 215-376 215-377
Bellows set 215-385 215-386 215-386
B8.14