HRK – HERMETIC ROTARY LOBE PUMP

• Hermetically sealed in accordance with TA-Luft (German Clean Air Act)
• Virtually wear-free and maintenance-free
• Slowly rotating shaft with external bearings and no rotary feedthrough
• High efficiency, even with high-viscosity liquids
• Intrinsically safe regarding the Machinery Directive and use in hazardous (Ex) areas
• Fully swept, dead-space-free annular chamber without valves – ideal for CIP (Cleaning in Place)
• Low pulsation (4 – 6 strokes per shaft revolution)
• Excellent suction capacity (low NPSH value)