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FNPM

Magnetic drive pump in plastic

Pumps type FNPM are horizontal, single-stage, end-suction, top-discharge centrifugal pumps with magnetic coupling, dimensioned to comply with standards EN 22858, ISO 2858.

The scope of application covers the wide fields of chemical processing and environmental technology where chemically aggressive fluids of various concentrations at up to 190°C are to be handled. The constant standardization of the drive components and the unique magnetic cartridge reduce the variety of parts and enable cost-saving stocking concepts. The magnet cartridge is a pre-assembled, ready-to-use unit containing all core components of the magnetic drive pump (e.g. plain bearings, impeller and containment shells). Replacement takes only a few minutes - then the old unit can be reconditioned. The cost advantage over the usual quick-coupler unit: up to 25%.

Design Features

Design

Horizontal cetrifugal pump

Material

Plastics

Size

DN 25 - DN 125

Impeller

Closed

Delivery rate

Qmax. = 350 m3/h

Delivery head

Hmax. = 100 m

Temperature

-40 °C to 190 °C

Nominal pressure

16 bar

Aggressive, especially toxic, highly flammable, explosive or foul smelling media. In general all liquids that must not get into the atmosphere during the pumping process.

Norm

ISO 5199, ISO 15783, ISO 2858, EN 22858

Type

Horizontal, single-stage

Construction

Back-pull-out design according to ISO 2858

Casing design

Single or double volute casing

Impeller

Closed

Bearing lubrication

Lifetime grease lubrication

Sleeve bearing lubrication

By pumping medium or external lubrication

Installation versions

Base frame welded or base plate cast

Ambient temperature

-20°C to 60°C

Solid content limit value

approx. 3 %

  • Perfluoralkoxi PFA
  • Polytetrafluorethylene PTFE