Magnetic  sealless pump


  • STM Seal-less regenerative turbine magnetic drive alloy pumps

  • PTM Seal-less regenerative turbine magnetic drivenon-metallic pumps

  • SVM Seal-less rotary vane magnetic drive alloy pumps

  • PumpsPCM Seal-less centrifugal magnetic drive nonmetallic p

  • SDM Seal-less centrifugal magnetic drive alloy pumps

ROTOS pumps are serviced through an International

network of factory trained stocking Distributors
providing Engineering, application assistance, system
design, and in the field troubleshooting world-wide.



  • Single stage regenerative

  • turbine pumps

  • Performances and Dimensions:

  •  our standard PN 16

  • Models: 1,5×6 up to 2,5×9

  • Threaded nozzles, option Flanged

  • Low Flow, High Head


  •  Stainless Steel AISI 316L fully machined

  • On request lncoloy 825 and Hastelloy C


  • Chemical plants

  • Pharmaceutical

  • Food processing

  • Laboratories

  • Transfer of solv


END SUCTION API 685 Seal-leas Pumps, are designed to meet
critical nozzle loading and working pressure requirements of API 685
standards. (H02). SMKM API 610 PUMPS

Over designed pump casings and baseplates
Heavy duty containment housing for optimum safety
External lubrication systems maintains highest pressure differential; allowing for
deadheading and flow or pressure monitoring
Dual back-pull-out (access hydraulic end or power frame) 

Capacity: Up to 1400 m3/h

Max. Head: 400

Pressure: Up to 40 bar

Long Coupled

Viscocity: 300 

Carbon Steel, Duplex, Super Duplex, Stainless Steel, Titanium


Pumps are built for reliable, leak-proof operation in high discharge head applications.
Between bearings support with no overhung loads
Staggered volutes minimize residual radial loads
Dynamically balanced, back-to-back 
impellers for minimal axial load
TOP-TOP Suction – Discharge
Heavy duty barrel casing
Working temperature up to 250 °C
Flow up to 200 m³/h
Head up to 500 m


Pumps of NDM series are single stage centrifugal magnetic drive pumps in accordance to ISO 2858. Foot mounting, single volute casing with flanged end suction and top discharge. The impeller is hydraulically and dynamically balanced and designed to achieve high efficiency and low N.P.S.H. values.


The NDM line is back-pull-out design, therefore when the pump unit is equipped with a spacer type coupling, the complete rotor can be removed from pump casing without disturbing piping and motor.
All pumps are manufactured in accordance with the current CE-Standard
**** Explosion proof models according to ATEX directive,
category II are also available

Working temperature up to 250 °CDischarge nozzles 32 up to 100
Poles 2 4
Capacity [m³/h] 8-200  /  3-100
Head [m] up to 90 / up to 25
Max.Pressure (Bar) 16
Max.Temper. (°C) 300


Seal-Less Vertical Pumps NDMV

NDMV Seal-less Vertical Pumps, ensure leak-proof handling of corrosives.
The heavy duty shaft is supported by ball bearings without bushings to wear;
shaft deflection is thereby eliminated
Non-cantilevered shaft
Hermetically sealed column
Heavy duty column shaft with oversized ball bearings
Modular impeller allows for modifying performances
Compact, high torque magnetic coupling with reduced mass

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