德國RKR**提供旋轉活塞風機、螺桿壓縮機。

型號列表:
Type K for air, N2
Type F for air, N2, vapor, gas
Type F-G for gases
Rotary Blower with Pre-Inlet
Type C for air
Type C for N2, gas
Type C for vacuum for air
Type 2C double stage for air, N2ding to ANSI, forged body