Danfoss EV210B, EV210BW Data sheet
Data Sheet
Solenoid valve
Type EV210B and EV210BW
Direct-operated 2/2-way solenoid valves for universal use.
EV210B and EV210BW covers a wide range of
direct-operated 2/2-way solenoid valves for
universal use.
EV210B and EV210BW are a very robust valves
program with high performance and can be
used in all kind of tough working conditions in
demanding industrial applications such as
control and closage.
Features and versions:
• For water, oil, compressed air and similar
neutral media
• Clip on coil
• Ambient temperature: up to 80 °C
• Coil enclosure : up to IP67
• The valves can be used for vacuum
• EV210B brass version for water, oil,
compressed air and similar neutral media
• EV210B stainless steel version for neutral and
aggressive liquids and gasses
• EV210BW brass and Stainless steel versions,
EPDM seal and WRAS approved for drinking
water
AI200686429133en-001101
Features
EV210B
EV210BW
EV210B
EV210BW
Body material
Brass
Brass
Stainless steel
Stainless steel
DN [mm]
1.5 – 25
1.5-4.5
2-3
1.5-4.5
Connection
G
1
⁄8 – G 1
G
1
⁄8-G3⁄8
G
1
⁄8-G1⁄4
G
1
⁄4
Sealing material
EPDM, FKM
EPDM
EPDM
EPDM
Function
NC, NONCNC
NC
Kv [m3/h]
0.08-8.00
0.08-0.55
0.15-0.30
0.08-0.55
Dierential pressure range [bar]
0 – 30
0-16
0-30
0-16
Temperature range [°C]
-30 – 120
-30-90
-30-120
-30-90
Solenoid valve, type EV210B and EV210BW
1 Portfolio overview
Table 1: Portfolio overview
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1
2
3
4
5
12345
Closing spring
Armature
Valve plate
Valve orice
Coil
Solenoid valve, type EV210B and EV210BW
2 Functions
2.1 Function NC
Coil voltage disconnected (closed):
When the voltage to the coil (5) is disconnected, the armature (2) with the valve plate (3) is pressed down against
the valve orice (4) by the closing spring (1) and the medium,s pressure.
The valve will be closed for as long as the voltage to the coil is disconnected.
Coil voltage connected (open):
When voltage is applied to the coil(5), the armature (2) with the valve plate (3) is lifted clear of the valve orice (4).
The valve is now open for unimpeded ow and will be open for as long as there is voltage to the coil.
Figure 1: Function NC
2.2 Function NO
Coil voltage connected (open):
When the voltage to the coil(8) is disconnected, the valve orice (5) is open, the opening spring (2) lifting the
spindle (3) with the valve plate (4) clear of the orice.
The valve will be open for as long as the supply voltage to the coil is disconnected.
Coil voltage disconnected (closed):
When voltage is applied to the coil (8), the magnetic eld draws the valve,s armature (1) down to touch the xed
base(7). The spindle (3) with the valve plate (4) is now pressed down against the valve orice (5) by the closing
spring (6).
The valve will be closed for as long as there is voltage to the coil.
© Danfoss | Climate Solutions | 2021.06 AI200686429133en-001101 | 3
1
2
3
4
5
8
7
6
12345678Armature
Opening spring
Spindle
Valve plate
Valve orice
Closing spring
Fixed base
Coil
Solenoid valve, type EV210B and EV210BW
Figure 2: Function NO
© Danfoss | Climate Solutions | 2021.06 AI200686429133en-001101 | 4
ON
OFF
24h
Solenoid valve, type EV210B and EV210BW
3 Applications
It is recommended to use a lter in front of the valve. Recommended lter 50 mesh (297 microns).
Figure 3: Filter
In water applications, exercise the valves at least once every 24 hours, meaning change the state of the valve. The
valve exercise will minimize the risk of the valve sticking due to calcium carbonate, zinc or iron oxide build-up.
Figure 4: Exercise: Valve on/o
To minimize scaling, and corrosion attack it is recommended that the water passing the valve have the following
values:
• Hardness 6 - 18 °dH to avoid scaling (chalk / lime stone build up)
• Conductivity 50 – 800 µS/cm to avoid brass dezincication and corrosion
• Above 25 °C media temperature avoid stagnant water inside the valve to avoid dezincication and corrosion
attack
© Danfoss | Climate Solutions | 2021.06 AI200686429133en-001101 | 5
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