Data Sheet for Product

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Siemens 2-port and 3-port zone valves, PN16 A6V10421629_en--_e
Smart Infrastructure 2021-11-29
Technical data
Functional data
PN class
PN 16 to EN 12266-1
Permissible operating pressure
1600 kPa (16 bar)
Valve characteristic
The valves are for ON/OFF control, but also can be
operated by modulating DC 0…10 V and 3-position
actuators.
Leakage rate
2-port valve: Path A → AB
3-port valve:
Path AB → A
Bypass AB → B
Bypass A → B VXI46.25T/2
To DIN EN 1349
0…0.05 %
0…0.05 %
Max. 2…5 %
0…0.05 %
Permissible media
Chilled water, low-temperature hot water and water
with antifreeze;
Recommendation: water treatment to VDI 2035
Medium temperature
1...110 °C
Nominal stroke
2.5 mm
Standards
Environmental compatibility
ISO 14001 (environment)
ISO 9001 (Quality)
2011/65/EC (RoHS)
Materials
Valve body
Hot-pressed brass (Exception: VXI46.25T/2)
Casting Bronze (VXI46.25T/2)
Stem
Stainless steel
Plug, seat, gland
Brass
Sealing gland
EPDM-O-rings
Bonnet
Brass
Dimensions/Weight
Dimensions
Refer to Dimensions
Threaded connections
Rp to ISO 7-1 (internally threaded)
Actuator connection
M30 x 1.5
Weight
Refer to Dimensions