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

up to 16 bar

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

Fertilizer (DAP/NPK/TSP/MAP)
Chlor-Alkali Electrolysis
Sulphuric acid
Steel and Stainless steel pickles
Ammonium nitrate
Caustic soda
Chemical industry
Phosphoric acid
Nitric acid

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
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

Downloads

RN Brochure