The SolidC pump is designed for standard duty applications, like pumping CIP (Cleaning In Place) solutions, utilities, water (processing, heating, cooling), washing machines, simple transport duty within working range. SolidC is suited for use in the food, dairy, beverage, personal care, pharmaceutical, light chemical and water industries.

Standard design

The SolidC pump is designed for CIP with emphasis on large internal radii and cleanable seals. SolidC has a stainless steel shroud for protection of the motor, and the complete unit is supported on four adjustable legs.

Shaft seals

The SolidC pump is equipped with either an external single or a flushed shaft seal. Both have stationary seal rings in acid-resistant steel AISI 329 with sealing surface in silicon carbide and rotating seal rings in carbon. The secondary seal of the flushed seal is a long lasting lip seal.


How It Works

Pump range

SolidC centrifugal pumps are available in four different models that are capable of handling flow rates up to 90 m3/h, pressure heads up to 80 meters (8 bar) and inlet pressures up to 40 meters (4 bar).

Unique impeller design

The semi-open impeller with a special multi-vane design ensures particularly low NPSHr (Net Positive Suction Head required). This helps prevent cavitation and minimizes the risk of pump damage.

The impeller also features balancing holes that enhance circulation around the shaft seal and reduce axial forces. This maximizes cleanability while minimizing wear on the shaft seal and motor bearings.

SolidC pump range, composite curve

SolidC pump range, composite curve

External shaft seal

SolidC pumps use the same external mechanical shaft seal as the Alfa Laval LKH premium range of centrifugal pumps. This reduces spare parts inventory for plants that use both standard and premium Alfa Laval centrifugal pumps.

The front-loading shaft seal, with the spring and washers mounted on the atmospheric side, is an important feature of the SolidC design. This configuration makes maintenance fast, easy and inexpensive. It takes just a few minutes to replace the shaft seal.

One-piece pump housing

The pump housing is made of a sturdy single piece of stainless steel. There is therefore no need to disconnect or remove the pump casing from the process line during inspection or maintenance. This feature, combined with a front-loading seal, helps keep downtime to a minimum and saves time and money. This also means that, if required, a spare pump without casing can quickly be put into place.

Optimised shaft seal

One shaft seal fits a wide pump range. All models of the SolidC pump and 11 models of the LKH pumps share the exact same single shaft seal. This standardization reduces inventory and makes wear parts replacement quick and easy.

Compression couplings

Another notable feature is the compression coupling. This securely attaches the stub shaft to the motor shaft with precision alignment. Setup is simple, operations secure and noise and vibration minimized. What’s more, the coupling helps prolong the service life of both shaft seal and motor.

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