Logo Schmitt Kreiselpumpen GmbH, Ettlingen
chemical resistant pumps for corrosive and highly pure media
Contact Adviser


Do you have any questions regarding our products? We will be glad to assist you. Our technical hotline can be reached at the following hours: 
Monday through Thursday  8.00 am to 5.00pm
Friday 8.00 am to 3.30 pm

Tel: +49 7243 - 54 53 13

from within Germany: 07243 - 54 53 13
E-mail: sales@schmitt-pumpen.de

Montag bis Donnerstag 8.00 Uhr bis 17.00 Uhr


Normal priming centrifugal pump: UP-DO series

  • Normal priming centrifugal pumps with a double mechanical seal
  • Material: Stainless Steel 1.4581
  • Non-slip torque transfer
  • Completely dry run safe with connected seal water circle
  • For high media temperatures
  • Max. output rate: 460 l/min
  • Max. discharge head: 39 m
  • Motor power: 0.18 - 5.5 kW


In the UP-Do Pump Series, the motor power is transmitted without slip directly to the pump impeller with a rigid shaft (no magnetic coupling). A double mechanical seal (back to back) prevents the leakage of the media to be pumped and ensures the leak proof sealing of the centrifugal pump. All parts that are in contact with the medium are made solid of stainless steel (1.4581). The cooling and lubrication of the mechanical seals is carried out through a separate seal water circle.

Advantages of the UP-DO Pump Series:

  • with a connected seal water circle, the pump cannot be damaged, neither through operator error or malfunctions in the plant (dry run safe under certain conditions).
  • applicable for media without lubricating properties (e.g. varnishes and paints)
  • also applicable for higher viscosities or metallic particles in the medium
  • the highest chemical resistance also at high temperatures up to +150° C
  • robust, thick-walled design, solid stainless steel fine cast (no thin-walled extruded sheet metal)
  • low-maintenance through an optimal adaptation to the medium to be pumped 
  • long-lasting and wear resistant, various types of designs for almost all operating conditions
  • open impeller (i.e. solids up to 3 mm grain size and 10 Vol. % possible)
  • easy to maintain (wear parts and the mechanical seal can be changed swiftly)
  • universally applicable, quiet and compact
  • various chemical resistant materials can be supplied as stock items

The UP-Do Pump Series is designed for all sorts of applications and is perfectly suitable for the transmitting operation in stainless steel plants as well as for severe thermal stress environments.

This results in application possibilities, amongst others, for the following application fields:

  • Circulation pump for heat exchanger
  • Use for very hot alkaline liquids
  • Laboratory applications
  • Environment engineering
  • Paper manufacturing
  • Electro-plating technology
  • Airplane jet engine cleaning plants
  • Filtration
  • Food industry
  • Varnish processing operations
  • For soiled and metallically contaminated media


Materials and Components

  • Main material: Parts solid made of stainless steel 1.4581
  • Elastomere alternatively made of FKM, EPDM, FEP or Kalrez®
  • Shaft made of stainless steel 
  • Mechanical seals made of PTFE, ceramic, carbon or SiC
  • The double mechanical seal is spring-loaded (spring made of Hastelloy C4)
  • High-quality electric motors made in Germany

Material Details

  • Stainless Steel: 1.4571 or stainless steel fine cast 1.4581 (A4) (up to +150° C)
  • FKM: Viton® quality, -20...+200° C
  • EPDM: Ethylene propylene diene M-class rubber, food-safe (FDA, KTW, WRC), -40...+160° C
  • FEP: Fluorinated ethylene propylene with Viton® or silicone core, -60…+200° C
  • Kalrez®: High performance elastomere up to +315° C
  • PTFE: Pure Teflon®, fiber glass or carbon fiber reinforced
  • SiC: Silicon carbide, without free silicon, sintered
  • Carbon: Carbon, impregnated with synthetic resin, food-safe
  • Hastelloy C4: 2.4610
  • Ceramic: Highly pure AI2O3-ceramic 99,7%

Motor Details

  • Standard Motors:
    • Three-phase AC motors: 230/400 V-3ph, 50 Hz, or 277/480 V-3ph, 60 Hz, IP 55, insulation-class F
    • with or without PTC thermistor for VSD / variable speed drives
    • Single-phase AC motors: 230 V-1ph, 50/60 Hz, IP 55, insulation class F
    • ATEX certified motors: spark arrested for combustible environments, explosion proof: EEx e II T3
  • Optionally available motors:
    • ATEX Explosion proof, flameproof enclosure, EEx de II CT4
    • VSD / Variable frequency drive integrated motors
    • Special voltages and frequencies
    • 2-, 4- and 8-pole
    • UL and CSA certified
    • Special protection types (e.g. IP 65)
    • High temperature class
    • Special insulation classes (e.g. tropical insulations)
    • Multi-voltage (e.g. 220-290/380-500 V 50 Hz; 220-332/380-575 V, 60 Hz)
    • Other versions are available on request

Performance Data

Characteristics of the UP-DO 100 - UP-DO 210 Pump Series

UP-DO 100 - UP-DO 210 Pump Series

Max. output rate: 460 l/min

Max. discharge head: 39 m

Motor power: 0.18 - 5.50 kW



UP-DO 210: 5.50 kW

UP-DO 190: 3.00 kW

UP-DO 170: 2.20 kW

UP-DO 150: 1.10 kW

UP-DO 130: 0.55 kW

UP-DO 115: 0.25 kW

UP-DO 100: 0.18 kW


Download Leaflet and Operation Manual

Pump Selection Form