ZXMII/ZDLMII Pre-inlet cage control valve ZXMII/ZDLMII 預啟式套筒控制閥采用先導結構，流道呈S流線型。具有結構緊湊、動作靈敏、閥容量大、流量特性精準、維護方便等優點，可用于較苛刻的工作條件。特別適用于大口徑高溫高壓的調節和切斷場合。 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.
閥體結構（Body Construction） 多孔型 多級減壓型 標準規格(Standard specifications) 形式Type | 預啟式套筒控制閥Pre-inlet cage control valve | 公稱通徑Body Size | DN65-DN450(2-1/2~18) | 公稱壓力Body Ratings | PN16,25,40,64,100,160,250,320,420;ANSI Class 150,300,600,900,1500,2500 | 閥體及閥蓋材質 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 | 墊圈Gasket | GRAP+304,GRAP+316,PTEE | 連接方式Connections | 法蘭型（RF、MFM）Flange type(RF,MFM)/焊接型（SW、BW）Welding type(SW,BW) | 涂層Painting Color | 棕色漆Brown painting/不銹鋼閥體可不涂漆No painting on stainless steel valve body |
注：以上只是標準組合，根據工況條件，本表以外的規格也是可能的。 Note:the above is just a standard combination,according to the working conditions,other specifications are also possible.
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