51-551 Series

Rugged external spur gear pump in cast iron

Rugged external spur gear pump in cast iron, suitable for most standard applications where no requirements for noble materials. The series is supplied as standard with helical gear wheels, ensuring pulsation-free operation with low NPSH value.

Capacities and Pressure

• Capacities: from 1 – 100 l/min
• Pressure: 30 bar in standard version
• 10 bar with magnetic coupling
• Suction lift: self-priming up to 3 meters

Materials

• Pump housing: GG 25
• Shafts: Induction-hardened
• Gears: Induction-hardened – straight or helical teeth
• Gaskets: NBR (standard) – PTFE – FPM – EPDM

Built-in pressure relief valve (Option)

• Supplied with built-in adjustable pressure relief valve (option) that protects the pump and subsequent process equipment from overload.