DM 系列电磁隔膜泵
DM type electrical diaphragm metering pump

防腐塑料外壳
Anticorrosive plastic casing

全PTFE隔膜
PTFE diaphragm

按IP55防护等级设计
Protection class: IP55

多种材质的泵头可选：PP，PVC，PTFE，SS316
Pump head: PP, PVC, FTFE, SS316

双球单向阀
Suction and delivery valves: with two balls each one

频率调节：10-*
Manual control the stroke frequency from 10-*, LCD displays the normal frequency （at running or stop）.

冲程调节：10-*
the start and stop point can be changed and the proportion rate and direction can be changed easily.

可接受0/4-20MA外部电流信号、面板显示、起始点可以任意设定，可以正反比例，自动调节。
Auto control the stroke frequency by the analog signal 0/4-20mA or 0/1-5vdc from 0-*, LCD displays the normal frequency （at running or stop）.

DM系列电磁隔膜计量泵选型参数
Specification of the DM pump