Features and benefits:

• recommended for low to high viscosity, pasty, but still free flowing products
• eccentric worm-drive pump with bearing flange in aluminium
• with mechanical seal or stuffing box
• low wear due to low pump speed
• vertical and horizontal use
• outer diameter of pump tube 50 or 54 mm
• Type F 550 SX.-50/21 for use in Zone 0, tested and certified according to ATEX-Directive 94/9/EC, 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.
• vertical and horizontal use

The pump is available in:

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

Immersion lengths:

• 27", 39" and 47" (other lengths on request)

Available drive motors:

• Three-phase motor 0,75 or 1,1kW, 930 or 700 min -1 ,
  jet-proof to IP 55 or explosion-proof to ATEX
• Air motor 0,5 - 1,8 kW, 1000 min -1 at 6 bar,
  explosion-proof to ATEX

The picture shows:

• Eccentric worm-drive pump Type F 550 S-50/21 with three-phase motor

Performance data :

Delivery rate max. 13 GPM
Delivery head max. 116 PSI
Viscosity: pasty

The delivery rate depends on the viscosity and flowability of the fluid.