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面议2873-A-04,0-FF-VA-GM82-024/DC-09 * NF64 2873-2/2常闭型电磁阀-DN4-FKM密封-不锈钢阀体-G1/4"-024/DC-09
类型 2873 - 直动式二通标准比例电磁阀
类型描述
直动式电磁控制阀 2873 型，在控制回路中用作调节单元。由于采用弹性阀座密封件，阀门密闭性好（内置关断功能），能达到与通径相当的额定压力。阀门的柱塞无摩擦力，因而具有的调节性能。该阀尤其适合于控制需求较高的应用（控制范围广，干燥气体等）。
（1）控制范围广
（2）快速响应
（3）紧凑型结构
（4）通径 DN 0.8 - 4.0 mm
（5）可选防爆线圈
| Type | 2873 | |
| Valve function | A - normally closed - inlet port 1 (P/NC) | |
| Fluidic port connection number | 2 | |
| Valve function number of switching positions | 2 | |
| Actuator type | Plunger valve | |
| Operation | direct-acting | |
| Main valve operating principle | Globe valve | |
| Switch function | constant | |
| Main valve orifice 1 (P) (mm) | 4 | mm |
| Main valve orifice 1 (inch) | 5/32 inch | |
| Sealing toward outside material | FKM (Fluor rubber) | |
| Seat seal material category | Elastomer | |
| Seat seal material | FKM (Fluor rubber) | |
| Main valve wetted material | Stainless steel | |
| Core guide | Form spring | |
| Core guide 2 | Bush | |
| Vacuum version | No | |
| Analysis version | No | |
| Oxygen version | No | |
| Steam version | No | |
| Media separation | No | |
| Flow | Below seat | |
| Port connection 1 type | Inner thread | |
| Port connection 1 thread type | G | |
| Port connection 1 thread marking | 1/4 | |
| Port connection 2 type | Inner thread | |
| Port connection 2 thread type | G | |
| Port connection 2 thread marking | 1/4 | |
| Voltage / rated voltage | 24 | V |
| Voltage / rated voltage | 24 | V |
| AC voltage | No | |
| DC voltage | Yes | |
| Voltage tolerance positive | 10 | % |
| Voltage tolerance negative | 10 | % |
| Coil type | block bolted | |
| Coil insulation material (encasement) | Epoxy | |
| Coil size | 32 | mm |
| Coil resistance | 41,4 | Ohm |
| Protection type (IP max. with suitable connector) | IP65 | |
| Thermal insulation class of the actuator | H | |
| Rated power consumption | 9 | W |
| Electrical connection sort | Plug pattern form A according to DIN EN 175301-803 | |
| Electrical connection number of contacts | 2 + Grounding conductor | |
| Electrical connection type | male | |
| Cable plug in delivery | not included | |
| Electrical connection position | in direction of flow left | |
| Kv value (water) | 0,32 | m3/h |
| QNn value (gas) | 345 | l/min |
| PWM frequency min. | 600 | Hz |
| PWM frequency max. | 800 | Hz |
| Operating range | 1:100 | |
| Nominal operation/Duty cycle | 100 | % |
| Nominal pressure min | -1 | bar |
| Nominal pressure max | 2 | bar |
| Differential pressure max | 2 | bar |
| Temperature medium min | -10 | °C |
| Temperature medium max | 90 | °C |
| Temperature environment min | -10 | °C |
| Temperature environment max | 55 | °C |
| Mounting position | any | |
| Medium-contacting part core material | Stainless steel | |
| Medium-contacting part stopper material | Stainless steel | |
| Medium-contacting part core guide tube material | Stainless steel | |
| Medium-contacting part core guide element 1 material | Stainless steel | |
| Medium-contacting part core guide element 2 material | PEEK (Polyetheretherketone) | |
| Medium-contacting part spacer sleeve material | Stainless steel | |
| suitable for liquid media | Yes | |
| suitable for gaseous media | Yes | |
| 重量 | 0,387 | kg |
