宝德6213ev电磁阀只能过液体介质，不能过气体介质，

宝德通水电磁阀产品（burkert 6213ev）介绍：

The 6213 EV valve is a servo-assisted solenoid valve of the S.EV series. The spring coupling of the diaphragm supports the opening process of the valve. In its standard version, the valve is suitable for use in liquids. A minimum differential pressure is required for complete opening.A special version (HP00) which opens the valve without differential pressure is available for gas and vacuum applications. Various diaphragm material combinations are available depending on the application. The standard brass housing satisfi es all European drinking water requirements. Lead-free or dezincifi cationresistant brass types are available for other markets. The housing offering is rounded out by a stainless steel version. The solenoid coils are moulded with a chemically resistant epoxy.For reduced energy requirement, all coils can be delivered with electronic power reduction.In combination with a plug in accordance with DIN EN 17301-803 Form A, the valves satisfy protection class IP65 – in combination with a stainless steel housing NEMA 4X .

burkert通水电磁阀zui大通径为DN40mm，burkert 6213ev A 10 NBR MS表示的是两位两通常闭功能，内孔为10mm，NBR密封，黄铜材质。宝德不锈钢电磁阀是用VA表示的。