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RN

Standardized chemical pump in metal

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

Design

Horizontal cetrifugal pump

Material

Metal

Size

DN 25 - DN 400

Impeller

Open or closed

Delivery rate

Qmax. = 2.700 m3/h

Delivery head

Hmax. = 150 m

Temperature

-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.

Norm

ISO 5199, ISO 2858, EN 22858

Type

Horizontal, single-stage

Construction

Back-pull-out

Casing design

Single or double volute casing

Impeller

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
  • Flange connections according to international standards
  • Thermosyphon system
  • Quenching system
  • Pump accessories
  • Equipment health monitoring with patented i-Alert®2

    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)
    • Nickel (RH Ni 98)
    • 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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