Siemens MXG461..P Modulating control valves with magnetic actuators, PN 16
Siemens MXG461..P Modulating control valves with magnetic actuators, PN 16
Fast positioning time (<2 s), high-resolution stroke (1 : 1000), high rangeability
? Equal-percentage or linear valve characteristic (user-selected)
? Operating voltage AC / DC 24 V
? Switch-selected control signal DC 0/2…10 V or DC 4…20 mA
? DC 0…20 V phase cut control signal with SEZ91.6 external interface
? Indication of operating state, position feedback and manual control
? Wear-free inductive stroke measurement
? Fail-safe feature: A ? AB closed when de-energized
? Low friction, robust, no maintenance required
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Siemens MXG462S..Modulating control valve with magnetic actuator‚ PN16
Short positioning time (< 2 s), high-resolution stroke (1 : 1000)
∂ Selectable valve characteristic: equal-percentage or linear
∂ High rangeability
∂ Operating voltage AC / DC 24 V
∂ Selectable standard signal inputs DC 0/2…10 V or DC 0/4…20 mA
∂ DC 0…20 V Phs phase-cut signal input for Staefa controllers
∂ Indication of operating state, visible from the outside
∂ Wear-free inductive stroke measurement
∂ Low friction, robust and maintenance-free
∂ Spring return facility: A↑ AB closed when de-energized
∂ Positioning control, position feedback and manual control
∂ Parts in contact with medium in CrNi steel
∂ MXG462S50-30 applications with demineralized water upon request
Siemens MXF461.. Modulating control valves with magnetic actuators, PN 16
Fast positioning time (<2 s), high-resolution stroke (1 : 1000), high rangeability
· Equal-percentage or linear valve characteristic (user-selected)
· Operating voltage AC / DC 24 V
· Switch-selected control signal DC 0/2…10 V or DC 4…20 mA
· DC 0…20 V phase cut control signal with SEZ91.6 external interface
· Indication of operating state, position feedback and manual control
· Wear-free inductive stroke measurement
· Fail-safe feature: A ® AB closed when de-energized
· Low friction, robust, no maintenance required
Siemens QFM31..D Duct sensors for rel. humidity / temperature for demanding requirements
• • Operating voltage AC 24 V / DC 13.5…35 V
• Signal output DC 0…10 V / 4…20 mA for relative humidity and temperature
• Very high measuring accuracy across the entire measuring range
• Function test
• Capacitive humidity measurement
• Range of use −40…+70 °C / 0…100 % r. h. with LCD display −25…+70 °C / 0…100 % r.h.
Siemens QFM21.. Duct sensor for rel. humidity / temperature
Device type QFM21..
Designation Duct sensors for humidity and
temperature
Product range SymaroTM
P6..W..EV-BAC
Characterised control valve with sensor-operated flow rate or power control, power and energy-monitoring function, 2-way, Flange, PN 16 (Energy Valve)
• Nominal voltage AC/DC 24 V
• Control modulating, communicative
• For closed cold and warm water systems
• For modulating control of air-handling and heating systems on the water side
• Ethernet 10/100 Mbit/s, TCP/IP, integrated web server
• Communication via BACnet IP, BACnet MS/TP, Modbus TCP, Modbus RTU, Belimo MP-Bus or conventional control
Room sensors
QFA41…
for relative humidity and temperature with calibration certificates
• Operating voltage AC 24 V / DC 13.5…35 V
• Signal output DC 0…10 V / 4…20 mA for relative humidity and temperature
• Very high measuring accuracy across the entire measuring range
• Capacitive humidity measurement
• Recalibration service
• Test function for loop test
• Range of use −40…+70 °C / 0…100 % r. h. with LCD display −25…+70 °C / 0…100 % r. h.
Use
The QFA41… sensor is used in ventilation and air conditioning plants requiring:
• Very high accuracy and reliability for measuring relative humidity and temperature
• Regular recalibration and readjustment of the sensors
Examples:
• Storage and production facilities in the paper, textiles, pharmaceutical, chemical, electronics industries, etc.
• Laboratories
• Hospitals
• Computer centers
• Greenhouses