Main applications General purpose valve for isolation in high vacuum systems Especially suited to pump isolation Ordering information Valve with manual actuator crank handle Ordering numbers CF-F CF-F metric threads UNF threads with position indicator: 110 . . - . E08 Valve with pneumatic actuator double acting with solenoid valve with position indicator Ordering numbers (specify control voltage) CF-F CF-F metric threads UNF threads without solenoid valve, without position indicator: 110 . . - . E14 without solenoid valve, with position indicator: 110 . . - . E24 with solenoid valve, without position indicator: 110 . . - . E34 (specify control voltage) Further ordering information on next page

Body material: stainless steel Low-cost bellows sealed valve DN 63 – 200 with vulcanized seal (no dead volumes at the gate seal): see glossary 1 Gate 2 Counter-plate 3 Leaf springs Technical data 4 Ball pairs 7 Spring stop 5 Ball detents Valve seat side 6 Gate seal Differential pressure at opening Cycles until first service Maximum values: depending on operating conditions and sealing materials Differential pressure on the gate – DN   63 – 200 – DN 250 – 320 Leak rate: valve body, valve seat Temperature 1) – Valve body – Manual and pneumatic actuator – Solenoid valve – Position indicator Further...

Series 11 Heating and cooling rate Material – Valve body – Mechanism DN   63 – 200 DN 250 – 320 – Bellows Seal: bonnet, gate Continued Technical data Feedthrough bellows Mounting position Solenoid valve Position indicator: contact rating – Voltage – Current Valve position indication Closing or opening time Compressed air min. – max. overpressure Volume of pneumatic actuator Valve with pneumatic actuator Conductance (molecular flow) (depending on A‑dimension and flange type) Standard flanges Valve with manual actuator Actuator – Solenoid valve for impulse actuation: last valve position is maintained...

O-ring seal Valve – Customer specified flanges with / without watercooling – Other sealing materials Vulcanized seal – O-ring seal in gate (Dia. 2) with DN 63, 100, 160, 200 (standard: vulcanized seal) – Ports for roughing (by-pass), venting or for gauges (Dia. 3), possible in positions A and B DN valve Recommended port ISO-KF Other ports on request – Window in gate with DN 63, 100, 160, 200 (Dia. 4): screwed, window material: e. g. borosilicate, elastomer seal Dia. 4 a Valve seat side 1 Valve body 5 Screwed window 2 Gate retainer 3 Elastomer seal Valve seat side 4 Window Optically free diameter...

Main dimensions Valve with manual actuator: crank handle DN 63 – 200 (2½" – 8") Valve with manual actuator: crank handle DN 250 – 320 (10" – 12") Valve seat side Required for dismantling Mechanical position indication Leak detection hole For attachment Flange dimensions: see pages 50 –51 DN

Main dimensions Valve with pneumatic actuator: double acting DN 63 – 200 (2½“ – 8“) Valve with pneumatic actuator: double acting DN 250 – 320 (10“ – 12“) Valve seat side Required for dismantling Compressed air connection Electrical connection Position indicator Leak detection hole For attachment Flange dimensions: see pages 50 –51 DN

a Valve seat side 50 Ordering information for option: O. D. 13¼" Ordering No. of valve-X (e. g. 11048-UE44-X, X = O. D. 13¼") www.vatvalve.com

Flange dimensions ASA-LP  DN 63 – 320 (2½" – 12") with or without O-ring groove For orders with O-ring groove specify: «A», «B» or «A + B» O-ring mm I. D. × d inch a Valve seat side K16