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ZXMI/ZDLMI Low Noise Cage Control Valve
ZXMI/ZDLMI低噪音套筒控制阀采用套筒上打小孔或外套几层多层小孔套筒，抗气蚀、抗冲刷、以降低噪音和振动。
ZXMI/ZDLMI Low noise cage Control Valves are designed with pressure balanced type trim.It has features with dynamic stability,high pressure drop,low noise.Low noise cage control valves can be divided into following types:pneumatic type,electro-motion type and manual operation type.
内部类型（Trim Type）
1、三级减压
适用于压差小于5.5MPa的工况，噪音小于80dB(A)。
2、二级减压
适用于压差小于3.5MPa的工况，噪音小于80dB(A)。
标准规格(Standard specifications)
形式Type | 低噪音套筒控制阀Low Noise Cage Control Valve |
公称通径Body Size | DN20-DN450(3/4~18) |
公称压力Body Ratings | PN16,25,40,64,100;ANSI Class 150,300,600 |
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 |
执行机构Actuator | 气动、电动、手动Pneumatic type,electro-motion type and manual operation type |
阀盖类型Bonnet Type | 标准型、波纹管密封型、低温型、散热型 Standard type,bellow seal type,low-temperature 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.
