Standardized chemical pump in metal

Horizontale Chemie-Pumpe RN
Horitontale Chemie-Pumpe aus Metall
Chemie-Pumpe aus Metall RN
Chemie-Normpumpe aus Metall
Heizbare Chemie-Pumpe aus Metall RN
Horizontale Chemie-Normpumpe
Chemie-Normpumpe aus Metall RN
Horizontale Chemie-Pumpe RN

The pump RN is a horizontal, single-stage, endsuction, top-discharge centrifugal pumps, standardized to EN 22858 (formerly DIN 24256) ISO 2858 and ISO 5199. RN (RNSI) pumps are used for handling chemically aggressive and/or inflammable liquids within the wide field of chemical processing and environmental technology.


Design Features


Horizontal cetrifugal pump




DN 25 - DN 400


Open or closed

Delivery rate

Qmax. = 2.700 m3/h

Delivery head

Hmax. = 150 m


-40 °C to 300 °C

Nominal pressure

16 bar

Chemically aggressive media in the whole area of chemical processing technology and other areas of industry.


ISO 5199, ISO 2858, EN 22858


Horizontal, single-stage



Casing design

Single or double volute casing


Open or closed

Bearing lubrication

Grease or oil lubrication

Installation versions

Base plate, base frame or stilt mounting

Ambient temperature

-20°C to 60°C

Solid content limit value

approx. 5 %

  • Inducer
  • Heated version
  • Drain of volute casing
  • Flushing in different versions
  • Temperature and vibration monitoring
  • Equipment health monitoring with i-Alert®3
  • Flange connections according to international standards
  • Thermosyphon system
  • Quenching system
  • Storage and priming tank 
  • Pump accessories

Due to the wide range of shaft seals and design variants, it is possible to adapt this pump type to very different media and delivery conditions.

  • Alloy C1 (2.4686)
  • Titan (3.7031)
  • Titan Pd (3.7032)
  • Nickel (2.4170)
  • Ferritic stainless steel 1.4136S
  • Ferritic stainless steel RHRS
  • Austenitic stainless steel 1.4306S
  • Austenitic stainless steel 1.4361
  • Austenitic stainless steel 1.4408
  • Semi-austenitic 1.4463
  • Duplex 1.4517
  • Fully austenitic special stainless steel R3020
  • High austenitic stainless steel 1.4529S
  • Higher austenitic stainless steel 1.4652S


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