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当前位置：主页 > 产品中心 > 三花系列 > 膨胀阀 >
膨胀阀
产品中心： 热力膨胀阀RFKA系列
产品简介：：RFKA系列热力膨胀阀用于调节蒸发器中的液体制冷剂的供给量，可提供多种制冷剂及其各种工况下的充注，能满足冷藏设备、制冷机、除湿机以及各种蒸发范围内的制冷和空调的要求。
产品特点
- 阀芯可换，易于库存、便于容量匹配和维修
- 感温包采用交叉充注技术，整个蒸发温度范围具有等过热度特性
- 可提供带MOP功能的阀，防止由于过高的蒸发压力导致压缩机电机损坏
- 蒸发温度范围广，寿命长
- 过热度调节性能稳定
通用规格
- 适用于HCFC和HFC制冷剂：R22, R134a, R404A, R407C, R507C等
- 适用介质温度：-40ºC ~ +70ºC
- 适用环境温度：-35ºC ~ +55ºC
- 最大工作压力： 3.5MPa
- 安装位置：阀顶部朝上，流体方向由进管A到出管B
- 认证：UL&CUL, 符合PED指令
通用特性
| 型号 | 订货号 | 连接类型 | 温度范围 | MOP | 出口接管尺寸 螺纹式 [inch] | 出口接管尺寸 焊接式 [mm] | 制冷剂 |
|---|---|---|---|---|---|---|---|
| RFKA01-4.8-22 | RFK-24001 | falre / flare | -40 to + 10 | - | 1/2 | - | R22 |
| RFKA01E-4.8-13 | RFK-24002 | Flare / flare / flare | -40 to + 10 | - | 1/2 | - | R23 |
| RFKA01-4.8-26 | RFK-24003 | Flare / solder | -40 to + 10 | - | - | 12 | R24 |
| RFKA01E-4.8-06 | RFK-24004 | Flare / solder / solder | -40 to + 10 | - | - | 12 | R25 |
| RFKA01-4.8-07 | RFK-24005 | Flare / solder | -40 to + 10 | - | 1/2 | - | R26 |
| RFKA01E-4.8-08 | RFK-24006 | Flare / solder / solder | -40 to + 10 | - | 1/2 | - | R27 |
| RFKA02-5.2-24 | RFK-24007 | Flare / flare | -40 to + 10 | - | 1/2 | - | R407C |
| RFKA02E-5.2-20 | RFK-24008 | Flare / flare / flare | -40 to + 10 | - | 1/2 | - | R407C |
| RFKA02-5.2-27 | RFK-24009 | Flare / solder | -40 to + 10 | - | - | 12 | R407C |
| RFKA02E-5.2-28 | RFK-24010 | Flare / solder / solder | -40 to + 10 | - | - | 12 | R407C |
| RFKA02-5.2-32 | RFK-24011 | Flare / solder | -40 to + 10 | - | 1/2 | - | R407C |
| RFKA02E-5.2-18 | RFK-24012 | Flare / solder / solder | -40 to + 10 | - | 1/2 | - | R407C |
| RFKA03-3.4-21 | RFK-24013 | Flare / flare | -40 to + 10 | - | 1/2 | - | R407C |
| RFKA03E-3.4-15 | RFK-24014 | Flare / flare / flare | -40 to + 10 | - | 1/2 | - | R407C |
| RFKA03-3.4-03 | RFK-24015 | Flare / solder | -40 to + 10 | - | - | 12 | R404A/R507 |
| RFKA03E-3.4-02 | RFK-24016 | Flare / solder / solder | -40 to + 10 | - | - | 12 | R404A/R508 |
| RFKA03-3.4-09 | RFK-24017 | Flare / solder | -40 to + 10 | - | 1/2 | - | R404A/R509 |
| RFKA03E-3.4-10 | RFK-24018 | Flare / solder / solder | -40 to + 10 | - | 1/2 | - | R404A/R510 |
| RFKA04-4.0-23 | RFK-24019 | Flare / flare | -40 to + 10 | - | 1/2 | - | R404A/R511 |
| RFKA04E-4.0-19 | RFK-24020 | Flare / flare / flare | -40 to + 10 | - | 1/2 | - | R404A/R512 |
| RFKA04-4.0-29 | RFK-24021 | Flare / solder | -40 to + 10 | - | - | 12 | R134a |
| RFKA04E-4.0-17 | RFK-24022 | Flare / solder / solder | -40 to + 10 | - | - | 12 | R134a |
| RFKA04-4.0-30 | RFK-24023 | Flare / solder | -40 to + 10 | - | 1/2 | - | R134a |
| RFKA04E-4.0-31 | RFK-24024 | Flare / solder / solder | -40 to + 10 | - | 1/2 | - | R134a |
