RF all-metal gate valve For accelerators and storage rings Low RF resistance Customer specified RF aperture Bakeable to 300°C in open and closed position Radiation resistant Opening also possible up to 1 bar differential pressure Body material stainless steel Pneumatic actuator double acting with position indicator 80°C with solenoid Ordering numbers (specify control voltage) compact actuator valve 200°C CF-F extended actuator valve 300°C CF-F actuator modules see page 182 with position indicator 80°C, without solenoid: 47 . . . -CE72  (compact actuator) 47 . . . -CE24  (extended actuator) further versions: see pages 182 and 183 Bake-out jacket For bake-out we recommend commercial controllers with settable heating rate and temperature limiting device. The bake-out jacket is without thermocouples and thermostats. Details see page 216. Ordering number on request.

Series 47 Sealing materials Gate: Bonnet: metal Feedthrough Bellows 1 valve gate 2 counter plate 3 guide plate 4 support valve seat side Reproduceable RF contact due to mechanically loaded springs VATRING configuration (see glossary) Locks in open and closed position Technical data Pressure range Differential pressure on the gate Differential pressure at opening Continued next page Leak rate: body, valve seat ≤ 500 mbar (1 bar with reduced cycle life) Cycles until first service - DN   63 - 160 10 000 (option: 20 000) - DN 200   5 000 (option: 20 000) Temperature 1) - Valve body - Pneumatic actuator...

RF all-metal gate valve Actuators – modular selection 1 Body, valve mechanism, bellows 2 Pneumatic actuator compact 3 Pneumatic actuator extended 4 Manual actuator (option) 5 Special pneumatic actuator for hot zone : 108 Gy, bakeable to 80°C solenoid position indicator position indicator 200°C position indicator Maximum values: depending on operating conditions and sealing materials closing or opening time compressed air pressure min. - max. overpressure molecular flow conductance Technical data

Actuator: - Accessory for pneumatic actuator for faster closing - Pneumatic actuator compact 10 6 Gy, bakeable to 140°C 1) - Pneumatic actuator extended 10 6 Gy, bakeable to 140°C 1) - Pneumatic actuator for hot zone: radiation resistant to 108 Gy, bakeable to 80°C - Solenoid for impulse actuation: actual valve position is maintained at power failure - Solenoid for 12, 48 V DC 24, 48, 100, 115, 200, 230 V 50 Hz 24, 100, 115, 200, 230 V 60 Hz - Solenoid radiation resistant to 10 6 Gy (standard 10 4 Gy) - Position indicator for pneumatic actuator bakeable to 200°C - Double position indicator (2...

RF all-metal gate valve Special version RF UHV gate valve with gate seal made of FKM (VITON) Technical data Temperature 1) - Valve body - Actuator - Position indicator - Solenoid Cycles until first service conditions and sealing materials Differential pressure on the gate Maximum values: depending on operating Pressure range Leak rate - Body - Valve seat Seal - Bonnet - Gate Further details

Series 47 Main dimensions Valve with pneumatic actuator DN 63 - 160 (2½" - 6") Valve with pneumatic actuator DN 200 (8") valve seat side required for dismantling compressed air connection electrical connection emergency operation leak detection port bake-out area mechanical position indication F Flange dimensions CF-F mm inch