终极滤芯 : 2.3L 

Wet painted steel housing (RAL 6026) –- 国际标准RAL6026色，涂层

Condensate drain test switch, key switch for start/stop und speed selector –冷凝水排污开关和自动启停开关
Emergency stop switch – 紧急停止开关 
Hour counter  -- 运行时间计时器
Automatic condensate drain – 自动冷凝水排污 
Automatic idle speed selector and condensate drain when end pressure is reached – 在冷凝排污或者达到终端压力时马达自动怠速 
Pressure maintaining and non-return valve – 设有压力维持阀和止回阀
All pistons c/w steel piston rings – 各级气缸活塞环配置钢质活塞环
Low pressure oil pump --配置低压油泵
Oil- / water separators after each stage – 各级配置自动油水分离器
Safety valves after each stage – 各级配置安全阀 

适用于消防、天然气、石油工业等领域