PARKER派克MVI系列截止与节流阀Parker派克MVI系列截止与节流阀：钢质阀体的针阀可以以螺纹式插装阀的形式安装在阀块上。阀芯可以选择30度锥面、V形切口或矩形切口。节流口的形状影响流量调节的精度，其与压力和粘度有关。针状阀芯为不锈钢并且在阀筒内形成环状间隙，加工阀块孔的成形刀具见详细说明。MVI系列截止与节流阀型号：MVI1200SMVI1200S-EMVI1200S-VMVI400SMVI400S-VMVI400S2MVI400S2-VMVI400S3MVI600SMVI600S-VMVI800SMVI800S-VMV600SMV600S2MV600S3MV600S-EMV600S-VMV601SMV608-4MV620SMV620S2MV620S3MV620S-EMV620S-VMV660SMV661SMV661S2MV661S-VMV681SMV800BMV800B-VMV800SMV800S-EMV800S-VMV820SMV820S-VMV860SMV861SMV861S-V)