Bürkert
直動式兩通標準比例閥
類型 2871 / ID 號碼 236000
產品描述
直動式比例閥 2871 在程序控制系統中用作執行機構。由於採用彈性閥座密封件，因此，閥門在與公稱通徑相匹配的額定壓力範圍內可以實現密封關閉（整合截止功能）。閥門的操作錨栓採用無摩擦的支承方式，進而實現了非同尋常的調節性能。該閥門尤其適用於要求苛刻的調控任務（高調控範圍、乾燥氣體等）。
- 商品代碼
- 84818079
- 國家
- DE
技術屬性
名稱 |
金額 |
單位 |
|---|---|---|
| Type | 2871 | |
| 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) | 1 | mm |
| Main valve orifice 1 (inch) | 1/32 inch | |
| Sealing toward outside material | FKM (Fluor rubber) | |
| Seat seal material category | Elastomer | |
| Seat seal material | FKM (Fluor rubber) | |
| Main valve wetted material | Brass | |
| Core guide | Form spring | |
| Core guide 2 | Form spring | |
| 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 | 1/8 | |
| Port connection 2 type | Inner thread | |
| Port connection 2 thread type | G | |
| Port connection 2 thread marking | 1/8 | |
| 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 | 20 | mm |
| Coil resistance | 82 | Ohm |
| Protection type (IP max. with suitable connector) | IP65 | |
| Thermal insulation class of the actuator | H | |
| Rated power consumption | 5 | W |
| Electrical connection sort | Plug pattern form B according to industrial standard | |
| 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) | 0,027 | m3/h |
| QNn value (gas) | 29 | l/min |
| PWM frequency min. | 1.400 | Hz |
| PWM frequency max. | 1.500 | Hz |
| Operating range | 1:200 | |
| Nominal operation/Duty cycle | 100 | % |
| Nominal pressure min | -1 | bar |
| Nominal pressure max | 10 | bar |
| Differential pressure max | 5 | 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 | Stainless steel | |
| suitable for liquid media | No | |
| suitable for gaseous media | Yes | |
| 重量 | 0,12 | kg |
下載
數據表
描述 |
文件大小 |
語言 / 國家 |
|
|---|---|---|---|
|
Type 2871 data sheet | electromagnetic operated proportional valve | 817 kB | EN / EU |
|
|
Typ 2871 Datenblatt | elektromagnetisch betätigtes Proportionalventil | 824 kB | DE / DE |
|
|
Type 2871 fiche technique | Électrovanne proportionnelle à plongeur, largeur 20 mm | 790 kB | FR / FR |
用戶手冊
描述 |
文件大小 |
語言 / 國家 |
|
|---|---|---|---|
|
|
Operating Instructions Type 2861 286X 287X | Proportional valves with control electronics | 388 kB | EN,FR,DE / EU |
|
|
Supplement Type 8605 2836 2861 2863 2865 2871 2873 2875 6024 6223 | PWM frequencies | 79 kB | EN,FR,DE / EU |
歐盟聲明
描述 |
文件大小 |
語言 / 國家 |
|
|---|---|---|---|
|
|
EU-DoC|EU Declaration | 890 kB | EN,FR,DE |
互動式動畫
描述 |
文件大小 |
語言 / 國家 |
|
|---|---|---|---|
|
|
3D-Animation - 2871 | 1 MB | DE |
|
|
3D-Animation - 2871 | 1 MB | EN |