SolidC new centrifugal pump standard application in the field of health

Alfa Laval offers standard and specialty centrifugal pumps for highly hygienic industries such as the pharmaceutical and food industries. SolidC pump is a newly developed pump for standard applications.

Depending on the production capacity and the costs, the pumps can be divided into pumps for standard operation and pumps for special applications. If a manufacturer wants to provide both a standard application pump and a high performance pump for the health sector, all of his pumps must meet the quality and structural design standards in this area. In general, the standard performance of the pump performance specifications are as follows: the inlet pressure to reach 4bar, the temperature up to 120 ℃, the viscosity range of about 150cP.

Selection is decisive

In order to achieve the specific purpose of use, select the correct, applicable pump at any time is very important. The only way to ensure the best operation of the device to meet customer requirements and minimize costs, as well as the standard pump. Because for the user, the total cost (sum of pump investment , installation, operation and maintenance costs) is always the most important. At the same time, the standard pump also meets the high demands of product protection, cleaning and production in operation.

In the pump design SolidC special attention to the following points: In addition to the modular structure also uses a number of all the structural components are common sizes; standard configuration shorten delivery; flexibility (easy to install and storage) And a good overall price.

Product protection is crucial

Users in the health field place great emphasis on product protection when delivering products and generally require that all equipment components have good cleaning capabilities.

With the help of the advanced structural design and calculation tool SolidC, these requirements can be fulfilled: Due to the small tolerances of the internal structural parts and the special impeller structure, it is possible to guarantee good flow properties while protecting the delivered products and increasing the capacity and efficiency of the equipment. In spite of this, enough clearance is left to ensure effective cleaning with the CIP method.

The pump complies with German national hygiene standards and also meets the 3A and EHEDG standards. The pump's important structural features are as follows:

All parts in contact with the product are 316L or 1.4404 stainless steel ;

Smooth surface, there is absolutely no dead ends in the key parts;

O-ring sealing part of the provisions of the compression;

O-ring grooves designed to withstand vacuum and pressure shocks;

Fully open impeller with hygienic O-ring seal, no suction throttling (no contraction);

Stainless steel pipe fittings and guard (hygienic safety, avoidance of corrosion).

Shaft sealing is a key point for all pumps. To meet the minimum number of downtime requirements, this standard pump uses a particularly advanced seal: an external (shaft end) unloaded (decompression) shaft seal for a special series of pumps that are difficult to operate. This is done so that only one type of shaft seal can be used for all pumps in the series.

The advantages of this design are summarized as follows:

All structural pumps have only one seal (simplified storage);

Unloading seal, so that no pressure changes or pressure impact;

Tested, long structural life;

Seal size is smaller, reducing wear and tear;

Fixed clip ring (lock ring) placed on the rear wall;

The external seal is not affected by the media.

Easy maintenance, reduce costs

Industrial processes continue to improve, and parking times need to be shorter and shorter. Therefore, special care must be taken in the design of standard pump applications for simple and quick repairs to replace the shaft seal and O-ring in a particularly short period of time, within 10 minutes. In this way, pump users can significantly reduce pump maintenance costs. SolidC pumps in this area also has the advantage:

Can be sealed from the front;

Coupling installation and adjustment is simple;

Clamp-connected pump housing;

Can be easily replaced from the one-way action shaft seal to the role of one-way flush shaft seal package of modified components;

Pump housing is free to rotate 360 ​​°.

It is important for the user to know what pumps are needed and which ones to pay particular attention to when choosing pumps for normal operation and high performance specialty applications.

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