ZMKI/ZKKI High-Pressure Differential Control Valve ZMKI/ZKKI高压差控制阀采用迷宫式多级降压结构，允许压差大，抗气蚀，抗冲刷，噪音低。 ZMKI/ZKKI High-Pressure Differential Control Valve with multi-stage step-down structure of the maze.It has high pressure drop,anti-cavitation,anti-scour,low noise. 阀体结构（Body Construction） 1 | 阀体 Body | 7 | 填料 Packing | 2 | 阀座 Seat | 8 | 填料压盖 Packing gland | 3 | 迷宫套筒 Maze Cage | 9 | 螺母 Nut | 4 | 阀杆 Stem | 10 | 双头螺柱 Double-screw bolt | 5 | 垫圈 Gasket | 11 | 双头螺柱 Double-screw bolt | 6 | 阀盖 Valve bonnet | 12 | 螺母 Nut |
标准规格(Standard specifications) 形式Type | 高压差控制阀High-Pressure Differential Control Valve | 公称通径Body Size | DN15-DN200(1/2~8) | 公称压力Body Ratings | PN100,160,220,250,320,420;ANSI Class 600,900,1500,2500 | 阀体及阀盖材质 Body&Bonnet Material | A105,F304,F316,锻12Cr1MoV,WCB,CF8,CF8M… | 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 | 执行机构Actuator | 气动、电动、手动Pneumatic type,electro-motion type and manual operation typ | 阀盖类型Bonnet Type | 标准型、散热型 Standard type,Fin-Extension type |
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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