Festo OVEM-20-H-B-QO-CE-N-2P Vacuum Generator

Features

• 2MM nominal size, laval nozzle
• 20MM grid dimension
• Open silencer design
• Optional mounting position
• High vacuum ejector characteristic
• Standard ejector characteristic
• 40MIM grade of filtration
• Non-detenting manual override
• Additionally via operating buttons manual override
• Electric ejector pulse valve integrated function
• Flow control integrated function
• Electric on-off valve integrated function
• Filter integrated function
• Air saving function, electrical integrated function
• Check valve integrated function
• Open silencer integrated function
• Vacuum switch integrated function
• Modular design
• Yes short circuit current rating
• Relative pressure measured variable
• Piezoresistive measuring principle
• N/C contact switching element function
• N/O contact switching element function
• Window comparator switching function
• Threshold value comparator switching function
• 992094 symbol
• Closed valve function
• For all electrical connections reverse polarity protection
• IEC 61131-2 standard switching input
• 4-place alphanumeric display type
• Back-lit LCD display type
• Bar displayable units
• -0.9BAR setting range hysteresis
• 0BAR setting range hysteresis
• Via display and keys setting options
• LCD switching position indicator
• Optical switching status indication
• -0.999BAR setting range threshold value
• 0BAR setting range threshold value
• 2BAR operating pressure
• 8BAR operating pressure
• 5.3BAR operating pressure for max. vacuum
• 93% max. vacuum
• 6BAR nominal operating pressure
• 86.5L2 max. suction flow rate against atmosphere
• 0.2S air supply time at nominal operating pressure
• 20.4V operational voltage range dC
• 27.6V operational voltage range dC
• 100% duty cycle
• Adapted to MZ, MY, ME coils inductive protective circuit
• 50V insulation voltage
• 70MA no-load supply current
• 100MA max. output current
• 0.1MA off-state current
• 2xPNP switching output
• 1.5V voltage drop
• 24 V DC: low-current phase 0.3 W, high-current phase 2.55 W characteristic coil data
• 0.8KV immunity to surge
• Available overload protection
• 3 pollution degree
• RCM trademark approval
• C UL us listed (OL) approval
• KC-EMV kC mark
• To EU EMC Directive cE mark (see declaration of conformity)
• To UK instructions for EMC cE marking (see declaration of conformity)
• Compressed air to ISO 8573-1:2010 [7:4:4] operating medium
• Lubricated operation not possible note on operating and pilot medium
• 2 - Moderate corrosion stress corrosion resistance class cRC
• VDMA24364 zone III lABS (PWIS) conformity
• 0GC media temperature
• 50GC media temperature
• 5 - 85 % relative air humidity
• 74DBA sound pressure level at nominal operating pressure
• IP65 degree of protection
• III protection class
• 0.8 Nm with female thread max. tightening torque
• 2.5 Nm with through-hole max. tightening torque
• 390G product weight
• -1BAR pressure measuring range
• 0BAR pressure measuring range
• 3YUQ accuracy in ± % fS
• 0.6% reproducibility of switching values fS
• PNP (positive switching) switching logic for inputs
• 5-pin electrical connection
• M12x1 electrical connection
• Plugs electrical connection
• With through-hole type of mounting
• Via female thread type of mounting
• With accessories type of mounting
• QS-8 vacuum connection
• RoHS-compliant note on materials
• NBR material seals
• POM material receiver nozzle
• Fabric material filter
• PA material filter
• Sintered steel material filter
• PA-reinforced material filter housing
• Die-cast aluminium material housing
• PA-reinforced material housing
• Wrought aluminium alloy material hollow bolt
• Steel material adjusting screw
• Wrought aluminium alloy material silencer
• PU foam material silencer
• Steel material screws
• PA material screen
• Nickel-plated brass material connector housing
• Gold-plated brass material electrical contact
• Steel material pins
• Wrought aluminium alloy material transmitter nozzle
• TPE-U material keypad
• Nickel-plated brass material fitting
• Stainless steel material bracket
• -0.999BAR to 0BAR indicating range
• 0GC ambient temperature to 50GC ambient temperature
• Pneumatic connection qS-8 , port 1
• Pneumatic connection integrated silencer , port 3