Solenoid valves Danfoss Type EV210A Series
Kitoma Indonesia - menyediakan Solenoid valves 2/2-way direct-operated Type EV210A Series
EV210A covers a wide range of small, direct-operated 2/2-way solenoid valves for use in industrial machinery.
The compact design together with the broad range of coils means that EV210A covers a broad variety of industrial applications.
Features Solenoid valves EV210A NC and NO
- Very compact valves for industrial application, such as control and dosage
- For water, oil, compressed air and similar neutral media
- Kv value up to 0.26 m3/h
- Differential pressure: Up to 30 bar
- Viscosity: Up to 20 cSt
- Ambient temperature: Up to +50°C
- Coil enclosure: Up to IP 65
- Thread connections: G ⅛ and G ¼
- The valves can be used for rough vacuum
Technical data for NC and NO
Installation | Optional, but vertical solenoid system is recommended |
Pressure range | 0 to 30 bar |
Max. test pressure |
50 bar |
Tightness | Internally: Better than 8.3 x 10-2 mbar l/sec (5 ccm air per min) Externally: Better than 1 x 10-3 mbar l/sec (100% He) |
Time to open and close | 7 - 10 ms (depending on pressure, coil and viscosity) |
Ambient temperature | Max. +50oC |
Medium temperature | EPDM: -30 to +120oC FKM: -10 to +100oC |
Viscosity | Max. 20 cSt |
Materials |
Valve body: Brass,..................W.no. 2.0401 Armature: Stainless Steel, W. no. 1.4016/AISI 430 Armature tube: Stainless Steel, W. no. 1.4303/AISI 305 Armature stop: Stainless Steel, W. no. 1.4016/AISI 430 Spring: Stainless Steel, W. no. 1.4310/AISI 301 Valve orifice: Stainless Steel, W. no. 1.4305/AISI 303 O-rings/valve plate: EPDM or FKM |
Function NC
Coil voltage disconnected (closed): When the voltage is disconnected, the armature (2) with the valve plate (3) is pressed down against the valve orifice (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 orifice (4).
The valve is now open for unimpeded flow and will be open for as long as there is voltage to the coil.
1. Closing spring
2. Armature
3. Valve plate
4. Valve orifice
5. Coil
Function NO
Coil voltage disconnected (open): When the voltage to the coil is disconnected, the valve orifice (6) is open, the opening spring (3) pressing the valve plate (7) clear of the orifice (6) via the armature (4) and the pins (5). The valve will be open for as long as the supply voltage is disconnected.
Coil voltage connected (closed): When voltage is applied to the coil, the armature (4) is drawn up to touch the fixed top (2). The valve plate (7) is pressed against the valve orifice (6) by the closing spring (8). The valve will be closed for as long as there is voltage to the coil.
1.Coil
2.Fixed top
3.Opening spring
4.Armature
5.Pins
6.Valve orifice
7.Valve plate
8.Closing spring
Features EV210A SS
- Very compact valves for industrial application, such as control
- For neutral and aggressive liquids and gases. Contact Danfoss if you are in doubt about the valve’s suitability for the medium in question.
- Differential pressure: Up to 30 bar
- Viscosity: Up to 20 cSt
- Ambient temperature: Up to +50°C
- Coil enclosure: Up to IP 65
- Thread connections: G ⅛ and G ¼
- The valves can be used for rough vacuum
Technical data
Installation |
Optional, but vertical solenoid system is recommended |
Pressure range |
0 to 30 bar |
Max. test pressure | 50 bar |
Tightness | Internally: Better than 8.3 x 10-2 mbar l/sec (5 ccm air per min) Externally: Better than 1 x 10-3 mbar l/sec (100% He) |
Time to open and close | 7 - 10 ms (depending on pressure, coil and viscosity) |
Ambient temperature | Max. +50oC |
Medium temperature |
FKM: -10 to +100oC |
Viscosity | Max. 20 cSt |
Materials | Valve body: Stainless Steel, W.no. 1.4305/AISI 303 Armature: Stainless Steel, W. no. 1.4016/AISI 430 Armature tube: Stainless Steel, W. no. 1.4303/AISI 305 Armature stop: Stainless Steel, W. no. 1.4016/AISI 430 Spring: Stainless Steel, W. no. 1.4310/AISI 301 Valve orifice: Stainless Steel, W. no. 1.4305/AISI 303 O-rings/valve plate: FKM |
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