Danfoss EV220S Data sheet

Data Sheet

Solenoid valve Type EV220S

Streamlined servo operated for water applications with limited space

EV220S is a range of streamlined compact indirect servo-operated 2/2 way solenoid valves with connections from 3/8” to 3/4”, special designed to t in applications where space is limited. This range has been designed for water and brine applications.

• Laundry

• Dishwashing

• Tapwater

• Machine and food processing

• Kitchens and bathrooms

Features

• Designed for drinking water

• Clip on coil

• Coil enclosure: Up to IP67

• WRAS approved with EPDM sealing: 0 - 85 °C NC version

AI327435031157en-000102

Features

EV220S

Body material

Brass

DN [mm]

10-17

Connection

G3/8'' – G3/4''

Sealing material

EPDM

Function

NC

Kv [m3/h]

1.6-5

Dierential pressure range [bar]

0.2-10

Temperature range [°C]

-30-100

Solenoid valve, Type EV220S

1 Portfolio overview

Table 1: Portfolio overview

1

2

3

4

5

6

7

1234567

Coil

Armature spring

Armature

Pilot orice

Diaphragm

Equalizing orice

Main orice

Solenoid valve, Type EV220S

2 Functions

2.1 Function, NC

Coil voltage disconnected

When voltage is disconnected, the armature spring (2) presses the armature (3) down against the pilot orice (4). Pressure builds up over the diaphragm (5) via the equalizing orice (6). The diaphragm closes the main orice (7) as soon as the pressure over the diaphragm equals the inlet pressure. The valve stays closed for as long as voltage remains disconnected.

Coil voltage connected (open)

When voltage is applied to the coil (1), the pilot orice (4) is opened. Since the pilot orice is larger than the equalizing orice (6), pressure over the diaphragm (5) falls and the diaphragm is lifted clear of the main orice (7). The valve stays open for as long as the required minimum dierential pressure is present and voltage is applied to the coil.

Figure 1: Function, NC

Danfoss

32U1460

ON

OFF

24h

Danfoss

32U9100

Solenoid valve, Type EV220S

3 Applications

It is recommended to use a lter in front of the valve. Recommended lter 50 mesh (297 microns).

Figure 2: 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 3: 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 dezincication and corrosion.

• Above 25°C media temperature avoid stagnant water inside the valve to avoid dezincication and corrosion attack.

Media

EPDM

Water, drinking water

Media temperature [°C]

EPDM

-30-100°C

EPDM WRAS

0-85°C

Ambient temperature [°C]

Up to 50°C

Kv value [m3/h]

DN10

1.6 m3/h

DN13

3 m3/h

DN14

4 m3/h

DN17

5 m3/h

Min. Opening dierential pressure [bar]

DN10

0.2 bar

DN13-17

0.3 bar

Max. Opening dierential pressure [bar]

10 bar

Max. working pressure [bar]

10 bar

Max. test pressure [bar]

15 bar

Viscosity [cSt]

Max. 50 cSt

EV220S 10

EV220S 14

EV220S 13

EV220S 17

Type

EV220S 10

EV220S 13

EV220S 14

EV220S 17

Time to open [ms]

(1)

50

100

200

Time to close [ms]

(1)

300

400

500

Components

Materials

Specications

Valve body/cover

Brass

CW617N

Armature/armature stop

Stainless steel

W. no. 1.4105 / AISI 430FR

Armature tube

Stainless steel

W. no. 1.4303 / AISI 305

Solenoid valve, Type EV220S

4 Product specication

4.1 Technical data

Table 2: Technical data

Capacity diagram

Example for water: Capacity for EV220S 14 at a dierential pressure of 3 bar: Approx. 7 m3h

Figure 4: Capacity diagram

Time to open/close

Table 3: Time to open/close

(1)

Times are indicative and apply to water. Exact times will depend on pressure conditions.

Materials

Table 4: Materials

Components

Materials

Specications

Spring

Stainless steel

W. no. 14310 / AISI 301

O-ring

EPDM

Valve plate

EPDM

Diaphragm

EPDM

Type

Weight with coil &

plug

L

1

B

1

H1

H

[mm]

[kg]

[mm]

NC

EV220S 10

0.42

52.67345.2

53.61265.4

EV220S 13

0.40

58.27345.2

53.61265.4

EV220S 14

0.546273

50.2

53.6

14.7

68.7

EV220S 17

0.50

68.27350.2

53.6

14.7

68.7

L1

H

1

L B

B1

R

E

C

O

M

E

N

D

E

D

15°

R

E

C

O

M

E

N

D

E

D

15°

R

E

C

O

M

E

N

D

E

D

15°

R

E

C

O

M

E

N

D

E

D

15°

9

0

°

M

A

X

9

0

°

M

A

X

9

0

°

M

A

X

9

0

°

M

A

X

Danfoss

80Z869

Solenoid valve, Type EV220S

4.2 Dimensions and weight

Table 5: Dimensions and weight

Figure 5: Dimensions

4.3 Mounting

Figure 6: Mounting angle

ISO228/1 connection

Orice

Kv value

Sealing

Coil type

Approvals

Function

[mm]

[m3/h]

EPDM

NC

G3/8101.6

EPDM

042U4610

230V 50/60Hz 8W

042U491032

24V 50/60Hz 9.5W

042U491019

24V DC 6.5W

042U491002

G1/2133

EPDM

042U4613

230V 50/60Hz 8W

042U491332

24V 50/60Hz 9.5W

042U491319

24V DC 6.5W

042U491302

G1/2144

EPDM

042U4614

230V 50/60Hz 8W

042U491432

24V 50/60Hz 9.5W

042U491419

24V DC 6.5W

042U491402

G3/4175

EPDM

042U4617

230V 50/60Hz 8W

042U491732

24V 50/60Hz 9.5W

042U491719

24V DC 6.5W

042U491702

Type

Ambient temperature

Supply voltage

Voltage

variation

Frequency

Power consumption

Code no.

[°C]

[V]

[Hz]

[W]

[VA]

AS024CS

-40 - 50

24

-10%, +6%509.5

18

042N7608

24

-10%, +6%607.0

14

AS230CS

-40 - 50

230

-10%, +6%508.0

16

042N7601

208 - 240

±6%607.0

14

AZ012DS

-40 - 50

12

-10%, +6%DC6.0

042N7616

AZ024DS

-40 - 50

24

-10%, +6%DC6.5

042N7617

Solenoid valve, Type EV220S

5 Ordering

5.1 Parts program

Table 6: Brass body, NC

5.2 Accessories

Coil

Figure 7: clip-on coils

Table 7: AS/AZ compact UL recognised, clip-on coils

Cable plug size

Description

Code no.

DN 18

Cable plug IP65

042N1278

Type

Voltage

Suitable for coil types

Code no.

[V]

BA024A

24 - 240

AL, AM, AS, AZ, BA, BD, BB

042N0185

Type

Armature kit

Diaphragm kit

Sealing

EPDM

Spare Part EV220S 10

042U2096

042U2104

Spare Part EV220S 13

042U2096

042U2106

Spare Part EV220S 14

042U2096

042U2108

Solenoid valve, Type EV220S

Cable plug

Figure 8: Cable plug

Table 8: Cable plug

Universal electronic multi-timer Type ET 20 M

Figure 9: Type ET 20 M

Table 9: Type ET 20 M

Spare part kits

Table 10: Spare part kits EV220S DN10 to DN17

1.

2.

3.

4.

5.

1.

2.

3.

Type

Armature kit

Diaphragm kit

Sealing

EPDM

Spare Part EV220S 17

042U2096

042U2110

1

2

3

4

5

1

2

3

2 x Screws Washer Armature tube Armature + spring O-ring

O-ring Spring Diaphragm

Solenoid valve, Type EV220S

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Danfoss EV220S Data sheet

Specifications and Main Features

Frequently Asked Questions

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