ZXMII/ZDLMII Pre-inlet cage control valve ZXMII/ZDLMII 预启式套筒控制阀采用先导结构，流道呈S流线型。具有结构紧凑、动作灵敏、阀容量大、流量特性精准、维护方便等优点，可用于较苛刻的工作条件。特别适用于大口径高温高压的调节和切断场合。 ZXMII/ZDLMII Pre-inlet cage control valve adopts pilot structure and its flow channel is stream line form-S.It has advantages of compact structure,quick action,huge valve capacity,precise flow characteristics,and easy maintenance,etc..It can be used in harsh working conditons,especially suitable for large diameter,high temperature and pressure adjustment and cut-off occasions.
阀体结构（Body Construction） 多孔型 多级减压型 标准规格(Standard specifications) 形式Type | 预启式套筒控制阀Pre-inlet cage control valve | 公称通径Body Size | DN65-DN450(2-1/2~18) | 公称压力Body Ratings | PN16,25,40,64,100,160,250,320,420;ANSI Class 150,300,600,900,1500,2500 | 阀体及阀盖材质 Body&Bonnet Material | WCB,CF8,CF8M,CF3,CF3M,WC1,WC6,WC9,LCB,LCC,LC3,哈氏C… | 填料Packing | V型聚四氟乙稀 V-PTEE/柔性石墨 Flexible graphite | 垫圈Gasket | GRAP+304,GRAP+316,PTEE | 连接方式Connections | 法兰型（RF、MFM）Flange type(RF,MFM)/焊接型（SW、BW）Welding type(SW,BW) | 涂层Painting Color | 棕色漆Brown painting/不锈钢阀体可不涂漆No painting on stainless steel valve body |
注：以上只是标准组合，根据工况条件，本表以外的规格也是可能的。 Note:the above is just a standard combination,according to the working conditions,other specifications are also possible.
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