Features and benefits:

• *GS pumps without Stator & without hose connection
• *GSB pumps with PTFE stuffing box, without Stator & without hose connection
• recommended for low to medium viscosity products, up to max. 30.000 mPas (cP)
• lightweight and easy-to-handle eccentric worm-drive pump with planetary gear
• with mechanical seal or stuffing box
• low wear due to low pump speed
• low weight of complete pump and motor unit
• outer diameter of pump tube 50 or 54 mm
• Type F 550 GSX.-50/21 for use in Zone 0, tested and certified according to Directive 94/9/EC - ATEX 100a, EC-Type-Examination Certificate No. PTB 99 ATEX 4050/4051 X

Positive displacement pump - eccentric worm type:

• smooth pumping with very little turbulences
• low wear, no valves, vanes etc.

The pump is available in:

• Pump: stainless steel 316 L / 316 Ti (S)
• Stator: PTFE, NBR, CSM, FKM

Immersion lengths:

• 700, 1000 and 1200 mm (other lengths on request)

Performance curve F 550 GS-50/21 with commutator motor Type F 460 Ex

Performance curve F 550 GS-54/26 with commutator motor Type F 460 Ex