什么是两线制流量柱塞?什么是两线制?两线制有什么优点?两线制是指现场柱塞与控制室仪表联系仅用两根导线，这两根线既是电源线，又是信号线。两线制与三线制
一次表：1151LT法兰式隔爆柱塞泵，选用法兰式是防止罐底脏物沉淀而堵塞引压管，柱塞量程0～140kPa。
A10VO18DR/31R-PPA12N00
A10VO28DR/31R-PPA12N00
A10VO45DR/31R-PPA12N00
A10VO71DR/31R-PPA12N00
A10VO100DR/31R-PPA12N00
A10VO140DR/31R-PPB12N00
A10VO18DRG/31R-PPA12N00
A10VO28DRG/31R-PPA12N00
A10VO45DRG/31R-PPA12N00
A10VO71DRG/31R-PPA12N00
A10VO100DRG/31R-PPA12N00
A10VO140DRG/31R-PPB12N00
A10VO18DFR/31R-PPA12N00
A10VO28DFR/31R-PPA12N00
A10VO45DFR/31R-PPA12N00
A10VO71DFR/31R-PPA12N00
A10VO100DFR/31R-PPA12N00
A10VO140DFR/31R-PPB12N00
A10VO28DFLR/31R-PPA12N00
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