032U7121 Danfoss – EV220B 20 Servo-Operated Solenoid Valve, G 3/4, NC, FKM Seal
The Danfoss 032U7121 is an EV220B 20 normally closed, 2/2-way servo-operated solenoid valve with a G 3/4 connection and a brass body. Its specification key is EV220B 20B G 34F NC000. With an FKM seal, this valve is the 3/4″ choice for oil, compressed air, vacuum and neutral media, and for water up to 60 °C. It is used in lubrication and hydraulic circuits, compressor oil lines, pneumatic supply, cooling systems and OEM equipment that needs a compact, reliable on/off valve for medium flows.
032U7121 Main Data
| Characteristic | Value |
|---|---|
| Type | EV220B 20 |
| Specification key | EV220B 20B G 34F NC000 |
| Function | 2/2-way, normally closed (NC) |
| Operation | Servo-operated, diaphragm |
| Connection | G 3/4 internal thread (ISO 228-1) |
| Orifice | 20 mm (3/4″) |
| Flow capacity | Kv 8 m³/h (Cv 9.25 gal/min) |
| Differential pressure | 0.3–10 bar |
| Max. working pressure | 10 bar (145 psig) |
| Max. test pressure | 15 bar |
| Medium temperature | 0 to 100 °C |
| Max. ambient temperature | 80 °C |
| Max. viscosity | 50 cSt |
| Body / seal | Brass / FKM |
| Opening time | approx. 40 ms (water) |
| Net weight | 0.875 kg |
Valve Body Only
The 032U7121 is supplied as a valve without coil. Select a Danfoss coil for type B actuators (13.5 mm armature tube) in the voltage required for your control circuit.
EV220B FKM Valves Compared
| Part number | Size | Connection | Kv |
|---|---|---|---|
| 032U7121 | EV220B 20 | G 3/4 | 8 m³/h |
| 032U7126 | EV220B 25 | G 1 | 11 m³/h |
Installation Note
Like all EV220B servo-operated valves, the 032U7121 needs at least 0.3 bar differential pressure to operate correctly. It must be installed in the flow direction indicated by the arrow on the body.
Compliance
The valve is EU RoHS and China RoHS compliant (with exemptions). Under PED it is classified for fluid group 1.
Buy the 032U7121 Danfoss from Atlantech Drives
Atlantech Drives supplies the Danfoss 032U7121 EV220B 20 solenoid valve with fast worldwide shipping, along with Danfoss coils and EV220B spare parts. Our senior commercial team will help you confirm the right size, seal and coil voltage for your system and give you a competitive quote quickly.
