SIEMENS,Modulating control valves with magnetic actuator,PN 16 MVF461H..
Modulating control valves with magnetic actuator,PN 16
MVF461H..
for hot water, high temperature hot water and steam
• Short positioning time (<2 s), high resolution (1 : 1000)
• Selectable valve characteristic: Equal-percentage or linear
• High rangeability
• Selectable standard interface DC 0/2…10 V or DC 0/4…20 mA
• Phase-cut signal input for Staefa controllers
• Position control and position feedback signal
• Wear-free inductive stroke measurement
• Spring return facility: A → AB closed when deenergized
• Low friction, robust and maintenance-free
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Siemens VPP46..Q,Combi valves (PICV) PN25, externally threaded
systems
With integrated differential pressure controller
DN 10…DN32: Valve body made of dezincification resistant hot-pressed
brass (DZR)
DN 40…DN 50: Housing made of spheroidal graphite iron
Volumetric flow 30… 11500 l/h,
Differential pressure range 15…600 kPa
Internally threaded Rp conforming to ISO 7-1
Externally threaded G conforming to ISO 228-1
Version with pressure test points for Δp measurement (optional)
Can be equipped with electro thermal or electromotive actuators
SSA.. (3-position or DC 0…10 V)
STA..3../STP..3.. (2-position or PDM)
STA63../STP63.. (DC 0…10 V)
SAY..1P03 (3-position or DC 0…10 V)
Siemens VPP46..Combi valves (PICV) PN25, externally threaded
systems
With integrated differential pressure controller
DN 10…DN32: Valve body made of dezincification resistant hot-pressed
brass (DZR)
DN 40…DN 50: Housing made of spheroidal graphite iron
Volumetric flow 30… 11500 l/h,
Differential pressure range 15…600 kPa
Internally threaded Rp conforming to ISO 7-1
Externally threaded G conforming to ISO 228-1
Version with pressure test points for Δp measurement (optional)
Can be equipped with electro thermal or electromotive actuators
SSA.. (3-position or DC 0…10 V)
STA..3../STP..3.. (2-position or PDM)
STA63../STP63.. (DC 0…10 V)
SAY..1P03 (3-position or DC 0…10 V)
Siemens MXG461B.. Modulating control valves with magnetic actuators, PN 16
Short positioning time (< 2 s), high resolution (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
? Accurate position feedback signal by inductive stroke measurement
? Spring return facility: A ? AB closed when deenergized
? Low friction, robust and maintenance-free
? Including fittings
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..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.
Universal controller with P or PI action for heating, ventilation and air conditioning.
Auxiliary functions
- PI limiter function (absolute and relative limit)
- Remote setpoint
- Setpoint compensation
- Winter/summer mode changeover (analogue or digital input)
- Cascade control
- Maximum priority for cooling / dehumidifying