Danfoss EV220B 65, EV220B 100 Data sheet

Data sheet
Servo-operated 2/2-way solenoid valves Type EV220B 65 - EV220B 100
EV220B 65 - EV220B 100 is a 2/2-way solenoid valve program for use in robust industrial applications, demanding high flow rates. The valve is designed with cast iron valve body and flanged connection. Water-hammer damped design and built-in pilot filter ensures a reliable operation.
Features y For water and similar neutral media
y Flow range for water KV: 50 - 130 m³/h y Ambient temperature: Up to 80 °C y Differential pressure: Up to 10 bar y Viscosity: Up to 50 cSt y Coil enclosure: Up to IP67
y Flange connections: 2 ½, 3 and 4” y Water hammer damped y Built-in filter for protection of pilot system y Seal material: EPDM and NBR
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Data sheet | Solenoid valves, type EV220B 65 - EV220B 100
ON
OFF
24h
EV220B 65-100 Valve body with flange connection
Technical data
Connection ISO 228/1
Seal
mate rial
Orifice
size
[mm]
kv - value
[m³/ h]
Differential pressure,
min. to max.
[bar]
Media temperature min. to max.
[°C]
Code number
2 ½ EPDM 65 50 0.25 – 10 -25 – 90 016D6065
2 ½ NBR 65 50 0.25 – 10 -25 – 90 016D3330
3 EPDM 80 75 0.25 – 10 -25 – 90 016D6080
3 NBR 80 75 0.25 – 10 -25 – 90 016D3331
4 EPDM 100 130 0.25 – 10 -25 – 90 016D6100
1
) It is recommended to use filter in front of the valve. Recommended filter 50 mesh (297 microns).
2
) 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.
3
)
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 dezincification and corrosion.
- Above 25°C media temperature avoid stagnant water inside the valve to avoid dezincification and corrosion attack.
Main type EV220B 65 EV220B 80 EV220B 100
Time to open [s] 1)
Time to close [s] 1)
1)
The times are indicative and apply to water.
5 5 5
7 15 29
Type EV220B 65 - EV220B 100
Installation Vertical solenoid system is required (see page 5, mounting angle)
Max. test pressure 15 bar
Ambient temperature Up to 80 °C
Viscosity Max. 50 cSt
Materials
Valve body: Cast iron W.no. 0.6020
Armature: Stainless steel W.no. 1.4105/AISI 430L
Armature tube: Stainless steel W.no. 1.4306/AISI 304L
Springs: Stainless steel W.no. 1.4310/AISI 301
Pilot body Brass
Ring Copper
NBR, Cetellen WS3820, PTFE, EPDM, CR
NBR, centellen WS3820, PTFE
Media
EPDM version
NBR version
EPDM version Water, Brine, Glycol
NBR version Air, Oil
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1
Data sheet | Solenoid valves, type EV220B 65 - EV220B 100
Function
7
2
3
4
1. Armature
2. Closing spring in pilot system
3. Valve plate
4. Pilot orifice
5. Servo piston
6. Main orifice
7. Coil
8. Equalizing orifice
8
Coil voltage disconnected (closed):
When the voltage is disconnected, the valve plate (3) is pressed down against the pilot orifice (4) by the pilot system’s closing spring (2). The pressure across the servo piston (5) is built up via the equalizing orifice (8). The servo piston closes the main orifice (6) as soon as the pressure across the piston is equivalent to the inlet pressure. The valve will be closed for as long as the voltage to the coil is disconnected.
5
6
Coil voltage connected (open):
When voltage is applied to the coil (7), the armature (1) and the valve plate (3) are lifted clear of the pilot orifice (4). As the pilot orifice is larger than the equalizing orifice (8), the pressure across the servo piston (5) drops and therefore it is lifted clear of the main orifice (6). The valve will be open for as long as the minimum differential pressure across the valve is maintained, and for as long as there is voltage to the coil.
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Data sheet | Solenoid valves, type EV220B 65 - EV220B 100
Below coils can be used with EV220B
Coil Type Power consumption Enclosure Features
Accessories: Cable plug
BB, clip on
BE, clip on
BG, clip-on
Application Code number
GDM 2011 (grey) cable plug according to DIN 43650-A PG11 042N0156
10 W AC
18 W DC
10 W AC 18 W DC
12 W AC 20 W DC
IP00
with spade connector
IP67 With terminal box
IP67 With terminal box
IP20 with protective cap,
IP65 with cable plug
Ordering of flange set
Manuel override kit, hand operated
© Danfoss | DCS (sb) | 2020.08
Connection Type Code number
2 ½ weld type 11 according to DIN EN 1092-1 EV220B 65 027N3065
3 weld type 11 according to DIN EN 1092-1 EV220B 80 027N3080
4 weld type 11 according to DIN EN 1092-1 EV220B 100 027N3100
Seal material Description Code number
EPDM
Manuel override kit. used for manuel overrride in event of power failure.] Note: Valve height is increased by 16 mm
032U7390
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H
D
Data sheet | Solenoid valves, type EV220B 65 - EV220B 100
Dimensions and weight
Dimensions
Type
L
[mm]
L
1
[mm]
Required
min. L2*
(mm)
B1 [mm]
Coil type
BB/
BE
BG
øD
[mm]
H1
[mm]
[mm]
H2
Weight
without
coil [kg]
Required
min. inside
tube diameter
d** (mm)
EV220B 65 320 224 300 46 66 185 85 185 24 65
EV220B 80 370 265 350 46 66 200 93 215 34 80
EV220B 100 430 315 400 46 66 220 103 240 44 100
70
d
100
min. L2min. L2
1
H
L1
L
*Avoid closing problems caused by turbulent flow it is required to have a straight tube on both sides of the valve. ** Required to keep same tube size for entire application, same or bigger inside diameter as valve orifice 65 / 80 / 100 mm
2
Mounting angle
5
X
°
A
M
°
5
M
A
X
°
5
5
°
X
A
M
M
A
X
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n
Data sheet | Solenoid valves, type EV220B 65 - EV220B 100
Application diagram
Water supply
1
2
Applicatio
N0. Part
1 Filter
2
3
4
Ball valve,
Water supply
Ball valve,
Test reservior
Ball valve,
Application
Capacity diagram for EV220B 65 - 100
Example, water: Capacity for EV220B 65 at differential pressure of 4 bar: Approx. 100 m³/h
Recommended operating range: Grey area 1-6 bar differential pressure.
A
A
4
3
Test reservoir
x
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Data sheet | Solenoid valves, type EV220B 65 - EV220B 100
Periodic maintenance/inspection
Maintenance/Inspection every 6 to 12 months recommended.
Before starting maintenance/inspection be sure:
- Coil is not energized when removed from the armature tube.
- System/solenoid valve is not pressurerised. Eventually close ball valves on each side of the valve. – Be sure any pumps one the upstream (inlet supply) will not be energized or a pressure sensor or switch will not start the pump.
- After cleaning and service, eventually with Danfoss spare part kit, it is recommended to lubricate piston and piston sealing with a thin layer of lubrication included into the spare part kit.
Frequency and maintenance depend largely on the application and the medium used in the valve. Mechanical contaminants, iron,
excessive mineralization, through the valve or may cause problems with the operation of the valves. All maintenance and repair work should be carried out by technically trained personnel who are familiar with the operation of the installation.
In case of large impurities visible on the filter, piston scale and cover, other impurities inside the valve, the frequency of inspections
should be increased.
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Sparepart kits
1
13
DN65 - DN100
Type
Spare part
kit EPDM
Spare part
kit NBR
EV220B 65 016D0078 016D0095 EV220B 80 016D0079 016D0096
EV220B 100
016D0080
Seal kit
EPDM
Seal kit
NBR
016D0075 016D0084 016D0076 016D0085
016D0077
016D0086
2 3
4 5
6
7
8
9
10
11
12
14
1. Armature +Spring
2. 2x O-ring
3. O-ring
4. Piston
5. O-ring
1
2
4
5
1. Steam gasket
2. 2x Sealing
3. Sealing
4. O-ring
5. Rubber gasket
6. O-ring
7. O-ring
8. 2x Steam gasket
9. O-ring
10. O-ring
11. Filter holder
12. Orifice
13. Filter
14. Drain plug
For detailed guidance see installation guides for EV220B 65-100 valve, spare part kit and seal kit
© Danfoss | DCS (sb) | 2020.08
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