| Type | 0255 |
|
| Operation | direct-acting |
|
| Actuator type | Plunger valve |
|
| Main valve operating principle | Globe valve |
|
| Switch function | on/off |
|
| Media separation | No |
|
| Valve function | A - normally closed - inlet port 1 (P/NC) |
|
| Fluidic port connection number | 2 |
|
| Valve function number of switching positions | 2 |
|
| Valve function manual actuation | No |
|
| Flow | Above seat |
|
| Nominal pressure min | 0 | bar |
| Nominal pressure max (liquid) | 1 | bar |
| Main valve orifice 1 (P) (mm) | 6 | mm |
| Main valve orifice 1 (inch) | 1/4 inch |
|
| Kv value (water) | 0,8 | m3/h |
| QNn value (gas) | 860 | l/min |
| Main valve wetted material | Stainless steel |
|
| Port connection 1 type | Inner thread |
|
| Port connection 1 thread type | G |
|
| Port connection 1 thread marking | 1/2 |
|
| Port connection 2 type | Inner thread |
|
| Port connection 2 thread type | G |
|
| Port connection 2 thread marking | 1/2 |
|
| Valve seat material | Stainless steel |
|
| Medium-contacting part core material | Stainless steel |
|
| Medium-contacting part stopper material | Stainless steel |
|
| Seat seal material category | Plastics |
|
| Seat seal material | PTFE (Polytetrafluorethylene) |
|
| Sealing toward outside material | Stainless steel and stainless steel |
|
| Temperature environment max | 55 | °C |
| Temperature medium min | -40 | °C |
| Temperature medium max | 180 | °C |
| Voltage / rated voltage | 24 | V |
| Voltage / rated voltage | 24 | V |
| Voltage tolerance negative | 10 | % |
| Voltage tolerance positive | 10 | % |
| AC voltage | No |
|
| DC voltage | Yes |
|
| Battery voltage | Yes |
|
| Rated power DC | 12 | W |
| Reduced power DC | 12 | W |
| Rated power consumption | 12 | W |
| Electrical connection sort | Plug pattern form A according to DIN EN 175301-803 |
|
| Electrical connection number of contacts | 2 + Grounding conductor |
|
| Cable plug in delivery | enclosed |
|
| Cable plug art. no. - type | 00159395 - 2508 |
|
| Electrical connection position | in direction of flow left |
|
| Protection type (IP max. with suitable connector) | IP65 |
|
| Coil type | placed on top |
|
| Coil insulation material (encasement) | Epoxy |
|
| Coil size | 40 | mm |
| Coil wiring overvoltage protection | without |
|
| Coil wiring rectifier | No |
|
| Coil wiring polarity recovery diode | No |
|
| Thermal insulation class of the actuator | H |
|
| Nominal operation/Duty cycle | 100 | % |
| Switch time open min | 20 | ms |
| Switch time open max. | 80 | ms |
| Switch time close min | 20 | ms |
| Switch time close max. | 30 | ms |
| Valve setting opening time | No |
|
| Valve setting closing time | No |
|
| Back-pressure-resistant version | No |
|
| Vacuum version | Yes |
|
| Analysis version | No |
|
| Oil burner valve | No |
|
| Steam version | Yes |
|
| Low-noise version | No |
|
| Main valve with integrated screen | No |
|
| Mounting type | Mounting bracket |
|
| Valve construction | Valve complete |
|
| 重量 | 0,741000 | kg |
3007751905 
1179322382 
+86?133 5788 9265 
info@wheat-auto.com 
