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Extremely low outgassing rate Suited for most corrosive gases Body material stainless steel Manual actuator handwheel (removable) Pneumatic actuator single acting with closing spring (NC) without position indicator without solenoid with position indicator, without solenoid: 284 . . -GE21 with solenoid, without position indicator: 284 . . -GE31 (specify control voltage) with position indicator, with solenoid: 284 . . -GE41 (specify control voltage)

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Sealing materials Bonnet: metal Feedth rough 1 plate seal 3 bellows V valve seat side 2 bonnet seal 4 body Standard with metal bonnet seal Technical data Continued next page Maximum values: depending on operating conditions and sealing materials Leak rate - Valve seat Pressure range Differential pressure on the plate Differential pressure at opening Cycles until first service - Valve body - Manual actuator - Pneumatic actuator - Position indicator - Valve body Seal: bonnet / plate Mounting position Position indicator: contact rating Valve position visual (mechanical)

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Position indicator One closing contact each for the open and closed valve positions Technical data Coil and solenoid rotatable. Specify control voltage! © compressed air connection © electrical connection - Position indicator for 200°C (picture) - ISO-KF, ISO-K flanges - Customer specified flanges - Valve with manual actuator bakeable to 200°C - Other sealing materials - Customer specified bodies Ordering information for options: Ordering No. ofvalve-X(e. g. 28432-GE41-X, X= position indicator for 120°C) Consisting of seals for plate and bonnet Ordering No.: see price list

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