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Solenoid valves Danfoss Type EV220A Servo-operated 2/2-way

 

 

Kitoma Indonesia - menyediakan Solenoid valves 2/2-way servo-operated Type EV220A 6-50

 

EV220A is a compact servo-operated 2/2-way solenoid valve program, especially designed for use in machines and equipment with limited space.
 

Features EV220A

  • Compact solenoid valve for robust industrial applications
  • Liquid hammer damped
  • Low power consumption
  • NO version, standard for ¼” to 1” valve sizes
  • NC version, standard for ¼” to 2” valve sizes
  • For water, oil, compressed air and similar neutral media
  • Diff erential pressure: Up to 16 bar
  • Viscosity: Up to 50 cSt
  • Ambient temperatures: Up to +50oC
  • Enclosure: Up to IP 65

 

Technical data

 

 Type
EV220A
6B
EV220A
10B
EV220A
12B
EV220A
14B
EV220A
18B
EV220A
22B
EV220A
32B
EV220A
40B
EV220A
50B
Capacity, kv (m3/h) 1 1.6 2.5 4 7 7 15 18 32
Diff erential pressure range 0.2 - 16 bar 0.3 - 16 bar
Max.test pressure 50 bar 25 bar
Opening times1) ms 40 50 60 100 200 200 2500 4000 5000
Closing times1) ms 250 300 300 400 500 500 4000 6000 10000
Ambient temperature Max. +50oC
Media temperature NBR: -10 → +90oC / EPDM: -30 → +100oC
FKM: 0 → +100oC / FKM for water max. +60oC
Media viscosity +50cSt
Materials
Valve body: Brass,..................W. no. 2.0401
Armature: Stainless steel, W. no. 1.4105 / AISI 430FR
Armature stop : Stainless steel, W. no. 1.4105 / AISI 430FR
Armature tube : Stainless steel, W. no. 1.4303 / AISI 305
Spring : Stainless steel, W. no. 14310 / AISI 301
O-ring : NBR, EPDM or FKM
Valve plate : NBR, EPDM or FKM For NO: NBR
Diaphragm : NBR, EPDM or FKM

 

Function


Function_EV220A.jpg

De-energized closed version Coil voltage disconnected
When voltage is disconnected, the armature spring (2) presses the armature block (3) down against the pilot orifice (4). Pressure builds up over the diaphragm (5) via the equalising orifice (7). The diaphragm closes the main orifice (6) 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 orifice (4) is opened. Since the pilot orifice is larger than the equalising orifice (7), pressure over the diaphragm (5) falls and the diaphragm is lifted clear of the main orifice (6). The valve stays open for as long as the required least differential pressure is present and voltage is applied to the coil.

De-energized open version
In principle the function involves valve positions opposite to the above for applied and disconnected voltage respectively.

 

 

 

 

 

EV220A_Servo-operated_22-way_solenoid_valves.jpgEV220A Servo-operated 2/2-way solenoid valves

Solenoid_valve_EV220A_NC,_G_1,_NBR,_brass.jpgSolenoid valve EV220A NC, G 1, NBR, brass

EV220A_Servo-operated_2-2-way_solenoid_valves_with_US_coil_type_AP1.jpgEV220A Servo-operated 2/2-way solenoid valves with US coil type AP

EV220A_Servo-operated_2-2-way_solenoid_valves_with_US_coil_COC.jpgEV220A Servo-operated 2/2-way solenoid valves with US coil COC

EV220A_Servo-operated_2-2-way_solenoid_valves_with_AC_coil.jpgEV220A Servo-operated 2/2-way solenoid valves with AC coil

EV220A_solenoid_valve.jpgEV220A solenoid valve

   

 

 

 

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Alamat

: Simprug Plaza

 

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