全球流行的变量制冷剂流解决方案
可变的制冷剂流系统（VRF）迅速在世界各地的空调解决方案中迅速流行。VRF系统不仅提供柔性和节能的空调，还提供用于住宅和商业应用的加热和热水。
这种类型的具有可变制冷剂流量的空调系统的功能包括：
- 仅冷却或用于加热的可逆，包括热恢复选择
- 空气或水冷却系统
- 可变容量压缩机
- 针对许多常规和环境制冷剂进行了优化
- 最多有64个室内单元带单独的计量
功能和好处
紧凑，节省空间的组件
高能效率
针对环保，低的GWP制冷剂进行了优化
减少了应用成本和短期回报时间
全球专用的技术和客户服务
生态标签选项
典型系统中的可变制冷剂流量组件：
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NRV and NRVH can be used in liquid, suction and hot gas lines in refrigeration and air conditioning plants with fluorinated refrigerants. NRV and NRVH can be supplied with flare and solder connections. They are also available with oversize solder connections providing flexibility in the use of check valves.
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","StartDate":null,"EndDate":null,"Location":null,"EventTypes":null,"HasErrors":false,"HasWarnings":false,"Errors":[],"Warnings":[]},{"Id":"https://danfoss-webex-umbraco-prodblue.azurewebsites.net/en/products/dcs/valves/solenoid-valves/solenoid-valves-for-hvac-r/","FormattedStartDate":null,"FormattedEndDate":null,"Link":{"NewWindow":false,"Url":"/en/products/dcs/valves/solenoid-valves/solenoid-valves-for-hvac-r/"},"IsExternalLink":false,"Title":"Solenoid valves for HVAC-R","Image":"/media/2523/solenoid-valves-danfoss.jpg","ImageAltText":"Solenoid valves for HVAC","Description":"Solenoid Valves for refrigeration applications, standard types for fluorinated refrigerants and ammonia (R717) as well as solenoid valves for water and brine. The category also contains solenoid valves in stainless steel, gas powered valves and pulse solenoid valves.
","StartDate":null,"EndDate":null,"Location":null,"EventTypes":null,"HasErrors":false,"HasWarnings":false,"Errors":[],"Warnings":[]},{"Id":"https://danfoss-webex-umbraco-prodblue.azurewebsites.net/en/products/dcs/valves/shut-off-ball-valves-for-refrigeration-gbc/","FormattedStartDate":null,"FormattedEndDate":null,"Link":{"NewWindow":false,"Url":"/en/products/dcs/valves/shut-off-ball-valves-for-refrigeration-gbc/"},"IsExternalLink":false,"Title":"Shut-off ball valves for refrigeration, GBC","Image":"/media/2094/shut-off-ball-valves-danfoss.jpg","ImageAltText":"GBC shut-off ball valves - Danfoss","Description":"GBC ball valves are manually operated shut-off valves suitable for applications where bi-directional flow is a requirement. GBC valves are approved for applications in liquid, suction, and hot gas lines in refrigeration and air conditioning systems.
","StartDate":null,"EndDate":null,"Location":null,"EventTypes":null,"HasErrors":false,"HasWarnings":false,"Errors":[],"Warnings":[]}]" data-group-type="product">-
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用于空调的压缩机，为屋顶和冷水机提供增强的舒适性，效率和可持续性，使用制冷剂R410A，R407C，R134A和R22的商业应用。
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如果（ISSMALLPICTURE）{
NRV和NRVH可以在用氟化制冷剂的制冷厂和空调厂中用于液体，吸力和热气管线。NRV和NRVH可以提供耀斑和焊接连接。它们还可以提供超大焊接连接，可在使用止回阀的使用方面具有灵活性。
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如果（ISSMALLPICTURE）{
ETS是一系列用于空调和制冷应用的蒸发剂精确液体注入的电动膨胀阀。阀活塞和线性定位设计完全平衡，在两个流方向上提供了双流动功能以及螺线管紧密关闭功能。ETS阀与Danfoss和其他制造商的电子控制解决方案兼容。
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如果（ISSMALLPICTURE）{
用于制冷应用的螺线管阀，荧光制冷剂和氨的标准类型（R717）以及水和盐水的电磁阀。该类别还包含不锈钢，气体动力和脉冲电磁阀中的电磁阀。
-
如果（ISSMALLPICTURE）{
GBC球阀是手动操作的关闭阀，适用于需要双向流量的应用。GBC阀被批准用于制冷和空调系统中的液体，吸力和热气管中的应用。
消息
Danfoss has announced further additions to its ETS range of electric expansion valves for heat pumps, close controls and process chillers. The ETS 8M enables OEMs and end users to benefit from greater efficiency and reliability with low applied costs.
","StartDate":null,"EndDate":null,"Location":null,"EventTypes":null,"HasErrors":false,"HasWarnings":false,"Errors":[],"Warnings":[]},{"Id":"https://danfoss-webex-umbraco-prodblue.azurewebsites.net/en/about-danfoss/news/dcs/new-models-capabilities-and-applications-expand-danfoss-ets-range-of-electric-expansion-valves/","FormattedStartDate":"Wednesday, September 22, 2021","FormattedEndDate":null,"Link":{"NewWindow":false,"Url":"/en/about-danfoss/news/dcs/new-models-capabilities-and-applications-expand-danfoss-ets-range-of-electric-expansion-valves/"},"IsExternalLink":false,"Title":"New models, capabilities and applications expand Danfoss ETS range of electric expansion valves","Image":"/media/1mbdsmy4/ets5m-ets175l-250l-visual-ver2-1120x747px.jpg","ImageAltText":"","Description":"Danfoss has further extended the options for OEMs to use electric expansion valves (EEVs) in both large and small applications, with new models and refrigerant qualifications—plus new capabilities for the world’s smallest EEV.
","StartDate":null,"EndDate":null,"Location":null,"EventTypes":null,"HasErrors":false,"HasWarnings":false,"Errors":[],"Warnings":[]}]" data-group-type="news" data-check-all-label="Explore more" data-redirect-url="/en/about-danfoss/news/?filter=applications%3Droof-top-units">-
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关注减少能耗和减少碳足迹的关注从未有所更高，但是通常通过损害可用性或效率来实现结果。Danfoss热恢复单元可为供暖费用大幅降低供暖费用 - 所有人都以短期投资收益提供。
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如果（ISSMALLPICTURE）{
丹福斯（Danfoss）宣布了其ETS范围的电动膨胀阀，近距离控制和工艺冷水机的进一步添加。ETS 8M使OEM和最终用户能够从更高的效率和可靠性中受益，而应用成本低。
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如果（ISSMALLPICTURE）{
Danfoss进一步扩展了OEM在大型和小型应用程序中使用电动扩展阀（EEV）的选项，具有新的型号和制冷剂资格 - 以及世界上最小的EEV的新功能。
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