Image similar
Bürkert Magnetic valve 21554 0255 24 V G 1/4 Nominal width (details) 3 mm Direct action 1 pc(s)
Datasheet (PDF)
EAN:
Part number:
Item no:
Highlights & Details
2/2-way solenoid valve; direct action
- Hardwearing coil system
- Compact design, max. DN 6
- Housing in brass or stainless steel with threaded connection
Technical specifications
- Sealing Material - Seat Seal Material Category: Plastics
- Seal material - Seat seal Material: PTFE (Polytetrafluorethylene)
- Sealing material - external seal Material: Stainless steel and stainless steel
- Pressure & Temperature - Temperature Medium min -40 °C.
- Pressure & Temperature - Temperature Medium max. 180 °C.
- Pressure & temperature - temperature Surroundings max. 55 °C
- Pressure & temperature - nominal pressure at least 0 bar
- Pressure & temperature - Backpressure proof design: No.
- Pressure & Temperature - nominal pressure max (liquid): 10 bar
- Electrical connection - Device plug in the range of supply: Enclosed
- Electrical connection - Device socket Art. No. - Type: 00159395 - 2508
- Electrical connection - Electrical connection Type: Plug picture Form A according to DIN EN 175301-803
- Electrical connection - Electrical connection Position: In flow direction left
- Electrical connection - Electrical connection Number of contacts: 2 + protective conductor
- Equipment characteristics - main valve operating principle: Seat valve
- Device features - switching time opening max.: 80 ms
- Features - switching time includes max.: 30 ms
- Device properties - rated mode/duty cycle: 100%
- Equipment characteristics - valve design: Complete valve
- Equipment characteristics - flow: Over seat
- Device properties - Vacuum version: Yes
- Equipment characteristics - Mounting type: Mounting bracket
- Device features - Drive type: Lifting anchor
- Device properties - operation: Direct action
- Device Properties - Media Separation: No.
- Device features - switching function: On/off
- Equipment features - open switching time at least 20 ms
- Features - switching time close at least 20 ms
- Device Properties - Analysis Execution: No.
- Equipment properties - Valve setting Opening time: No.
- Equipment properties - Valve setting Closing time: No.
- Equipment properties - Oil burner valve: No.
- Device Properties - Steam Type: Yes
- Equipment properties - Main valve with integrated screen: No.
- Nominal width (kV value) - QNn value (gas): 270 l/min.
- Nominal width (kV value) - main valve nominal width 1 (P) (mm): 3 mm
- Nominal width (kV value) - kV Water value: 0.25 m3/h.
- Nominal width (kV value) - Main valve nominal width 1 (inch): 1/8 inch
- Process/line connection – line connection 1 type: Internal thread
- Process/cable connection - cable connection 1 Thread name: 1/4
- Process/cable connection - cable connection 1 Thread type: G.
- Process/line connection – line connection 2 type: Internal thread
- Process/cable connection - cable connection 2 Thread type: G.
- Process/cable connection - cable connection 2 Thread name: 1/4
- Protection class IP rating (max. for suitable connection) IP65
- Voltage - battery voltage: Yes
- Voltage - voltage min. / nominal voltage: 24 V
- Voltage - voltage max. / nominal voltage 24 V
- Voltage - AC voltage: No.
- Voltage - DC voltage: Yes
- Voltage - voltage tolerance positive: 10%
- Voltage - voltage tolerance negative: 10%
- Coil (Kern) - spool size 40 mm
- Coil (Kern) - Coil wiring Overvoltage protection: None
- Coil (Kern) - Coil Switching Rectifier: No.
- Coil (Kern) - Coil Switching Free-wheeling diode: No.
- Coil (Kern) - low-noise version: No.
- Coil (Kern) - coil type: Plugged
- Coil (Kern) - Material coil (envelope): EP (epoxy resin)
- Coil (Kern) - Thermal insulation class of the drive: H
- Coil (Kern) - part Kern in contact with medium Material: Stainless steel
- Coil (Kern) - part that is in contact with the medium Plug material: Stainless steel
- Coil (Kern) – rated DC 12 W.
- Coil (Kern) - Reduced power DC 12 W.
- Materials - main valve material in contact with medium: Stainless steel
- Materials - valve seat material: Stainless steel
- Operating principle - fluid line connection Number: 2
- Operation - Valve function Number of switching positions: 2
- Operation - Valve function: A - closed at rest - pressure connection 1 (P/NC)A - closed at rest - pressure connection 1 (P/NC)
- Operation - Manual operation: No.
- Approvals - nominal power 12 W
- Product type
Magnetic valve
- Operating voltage
24 V
- Max. operating pressure
0 bar
- Enclosure material
Stainless steel
- Connection
G 1/4
- Media temperature (range)
-40 up to 180 °C
- Manufacturer part #
21554
- Operating pressure (min.)
0 bar
- Sealant
PTFE
- Function
2/2 normally closed mono-stable
- Max. media temperature
180 °C
- Media temperature (min.)
-40 °C
- Medium
Steam
- Nominal width
3 mm
- QNn value
270 l/min
IP65
- Max. ambient temperature
55 °C
- Operating principle
Direct action
- KV value
0.25 m³/h
- UKCA
yes
Documents & Downloads
Datasheet
Datasheet 3047061 Bürkert Magnetic valve 21554 0255 24 V G 1/4 Nominal width (details) 3 mm Direct action 1 pc(s)
User & Safety Instructions
User & Safety Instructions 3047061 Bürkert Magnetic valve 21554 0255 24 V G 1/4 Nominal width (details) 3 mm Direct action 1 pc(s)
Description
The direct-action lifting armature solenoid valve type 0255 is also suitable for high pressures and high temperatures.
This text is machine translated.
This text is machine translated.
Hints
The kv factor indicates the volume flow through a valve, measured in litres/min at 1 bar and at a water temperature between 5 and 30°C. The QNn factor indicates the gas volume flow, measured in litres/min