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 has advantages of compact structure,quick action,huge valve capacity,precise flow characteristics,and easy maintenance, 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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