Data Sheet for Product

9
Siemens
A6V12170259_en--_a
Smart Infrastructure
2021-05-26
Technical data
Functional valve data
PN class
PN 16 per EN1333
Operating pressure
Per ISO 7005 within the permissible media temperature as per Operating
pressure and operating temperature
Ball valve characteristic curve
Through-port: 0…100 %
Equal percentage, n
gl
= 3 per VDI / VDE 2173
Leakage through-port
<0.01 % of Kvs value
Permissible media
Chilled water, low temperature hot water, hot water, water with antifreeze.
Recommendation: Water treatment per VDI 2035
Note: See Permissible media
Medium temperature
0…120 °C
Rangeability Sv
> 100
Rotational angle
90 °
Materials
Ball valve body
Brass Hpb59-1
Ball
Stainless steel (SUS303Cu)
Stem
Stainless steel (SUS304)
Valve seat / Sealing Gland
PTFE+Graphite
Functional actuator data
Operating voltage / Frequency
Power consumption Running
Holding
AC 24 V  20 % / 50/60 Hz
3 VA / 2 W
1 W
Nominal torque
Nominal rotary angle / Max. rotary angle
Runtime for 90° rotary angle
5 Nm (MDB461..AI) / 10 Nm (MLB461..AI)
90° / 95°  2°
150 s
Positioning signal
Input voltage Y (wires 8-2)
Max. permissible input voltage
DC 0...10 V
DC 35 V, internally limited to DC 10 V
Positioning indication
Output voltage U (wires 9-2)
Max. output current
DC 0...10 V
DC  1 mA
Connection cable
Cross-section
Standard length
0.75 mm
2
0.9 m
Degree of protection of housing
IP54 as per EN 60 529 (note mount. instructions)
Protection class
EN 60730 lll
Rotational angle
90 °
Dimensions / Weight
See Dimensions
Internally threaded connection
Rp per ISO 7-1
General ambient conditions
Operation
Transport
Storage
Temperature
-15…+55 °C
-30...+65 °C
-15...+50 °C
Humidity
5...95 % r. h.
< 95 % r. h.
5...95 % r. h.