無(wú)機(jī)雙簾防火卷門(mén)機(jī)特點(diǎn)1、一機(jī)帶雙卷軸，同步性好2、雙軸中心距可適當(dāng)調(diào)整，適用范圍廣，便于安裝調(diào)試技術(shù)參數(shù)產(chǎn)品型號(hào)主板規(guī)格(mm)副板規(guī)格(mm)轉(zhuǎn)軸轉(zhuǎn)速(r/min)鏈號(hào)M300SFJ720x260540x2605.808BM600SFJ800x330600x3004.810AM800SFJ900x360600x300410AM1000SFJ1200x420800x360412A